CN110814323A - Automatic cutting equipment - Google Patents

Abstract

The invention discloses an automatic cutting equipment, which comprises a frame, a movable frame which can be movably connected up and down on the frame, a support seat is arranged on the movable frame; Left and right sides; two sets of saw blade units respectively fixed on the two rotating shafts, each set of saw blade units is provided with two saw blades, the two saw blades are arranged at intervals and connected to the rotating shaft, and are respectively located on the front and rear sides of the support seat; The pressing mechanism is arranged on the movable frame and is located above the support base. According to the automatic cutting equipment of the present invention, the worker only needs to fix the runner of the workpiece through the support base and the pressing mechanism, and then moves the movable frame up and down to make the workpiece close to the saw blades on the front and rear sides of the support base, The sheet cuts the casting bodies on both sides of the workpiece, realizing the simultaneous separation of the casting bodies and the runner on both sides, and improving the production efficiency.

Description

Automatic cutting equipment

technical field

The invention relates to a casting body cutting machine, in particular to an automatic cutting device.

Background technique

When casting is completed, the casting body presents a structure in which multiple casting bodies are connected on one or more sides of the runner, and the casting body needs to be cut from the runner to obtain the casting body. The traditional cutting method is manual cutting. The worker holds the workpiece and sends it to the high-speed saw blade to cut the connection between the runner and the casting body to make the casting body fall off. This traditional method is prone to danger and low efficiency. In the existing automatic cutting equipment, the workpiece is fixed by a fixture, and a high-speed saw blade is used to cut one side of the workpiece to obtain a casting body. This method needs to remove the workpiece every time after cutting one side, change the other side and fix it with a fixture, and the overall efficiency is not high.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention proposes an automatic cutting device, which can improve the cutting efficiency of the casting body.

The automatic cutting equipment according to the embodiment of the present invention includes a frame and a movable frame, which can be movably connected up and down on the frame, and the movable frame is provided with a support seat; two rotating shafts are arranged on the frame, and are respectively located on the left and right sides of the support base; two sets of saw blade units are respectively fixed on the two rotating shafts, each group of the saw blade units is provided with two saw blades, and the two saw blades are arranged at intervals and connected on the rotating shaft, and are respectively located on the front and rear sides of the support base; the first driving mechanism is arranged on the frame, connected with the two rotating shafts, and can drive the two rotating shafts to rotate; the second driving mechanism The mechanism is arranged on the frame and can drive the movable frame to move up and down; the pressing mechanism is arranged on the movable frame and located above the support base.

The automatic cutting device according to the embodiment of the present invention has at least the following beneficial effects: the workpiece can be pressed and fixed on the sliding frame by the pressing device and the support seat, and the two saws can be driven by the first driving mechanism The two saw blades of the blade unit rotate to cut the workpiece, and the second drive mechanism drives the workpiece on the movable frame to approach the two saw blades, so that the casting body located on the front and rear sides of the workpiece can be cut in one cutting process. The runner is separated from the runner on the workpiece, thereby improving the cutting efficiency of the workpiece; and by setting the two rotating shafts and the saw blade units arranged on the two rotating shafts, cutting from the left and right sides of the workpiece can make the workpiece The force is more uniform, avoiding the problem of position deviation of the workpiece due to unilateral force, thus affecting the cutting accuracy.

According to an embodiment of the present invention, a positioning mechanism is included, and the positioning mechanism is disposed on the frame and located behind the movable frame. The positioning mechanism pushes the workpiece, so that the runner of the workpiece can be aligned with the pressing mechanism and the support seat, thereby improving the alignment accuracy.

According to an embodiment of the present invention, the movable frame is provided with a rack structure extending up and down, the second driving mechanism includes a gear and a second motor that drives the gear to rotate, and the gear meshes with the rack structure. The gear is driven to rotate by the second motor, so that the movable frame with the rack structure can move up and down, close to the saw blade unit, and the meshing of the rack structure and the transmission teeth can cut the workpiece It provides a stable feed rate, so that the workpiece is evenly stressed, and it is not easy to break the connection between the casting body and the runner.

According to an embodiment of the present invention, the movable frame includes a bottom plate, a cross beam, a left column and a right column; the beam is located directly above the bottom plate; the support base is arranged in the middle of the bottom plate, wherein the left column Connect the left end of the bottom plate and the left end of the beam, the right column is connected to the right end of the bottom plate and the right end of the beam; the movable frame stably fixes the position of the support seat and the pressing mechanism, The workpiece is not easy to shake during the cutting process, and the cutting accuracy is improved.

According to an embodiment of the present invention, the first driving mechanism includes two first motors and two sets of transmission belts; the two first motors are respectively connected to the two rotating shafts through the two sets of the transmission belts. By arranging two motors to respectively drive the two rotating shafts to rotate, the rotation of the two rotating shafts can be controlled separately, and only one of the rotating shafts can be driven to rotate when necessary.

According to an embodiment of the present invention, the pressing mechanism includes a pressing block and a third driving mechanism for driving the pressing block to move up and down, the lower end of the pressing block is provided with a clamping groove, and the supporting base is provided with a supporting block, so The top of the supporting block is provided with a groove, and the pressing block is located just above the supporting block. The clamping groove at the lower end of the pressing block and the groove provided on the top of the support block can respectively fix the upper runner and the lower runner of the workpiece, reduce the displacement of the workpiece, reduce shaking, and better realize pressing and fixing.

According to an embodiment of the present invention, the pressing mechanism further includes a lift table, the pressure block is rotatably connected to the lift table, and the lift table is provided with a fourth drive mechanism for driving the pressure block to rotate, The third driving mechanism is connected to the lifting platform and can drive the lifting platform to move up and down. The pressing block is connected with the fourth driving mechanism and driven by the fourth driving mechanism to realize the rotation of the pressing block. When the workpiece is inserted into the slot on the pressing bar, the pressing block can be Drive the workpiece to rotate, so that the automatic face changing function of the workpiece can be realized without clamping the workpiece again; for example, when the casting body on the workpiece is not only arranged on the front and rear sides of the workpiece runner, but also on the front, rear and left sides of the runner When there are casting bodies on both the right and left sides of the workpiece, after cutting the casting bodies on the front and rear sides of the workpiece, the fourth drive mechanism drives the workpiece to rotate, so that the workpiece on the left and right sides of the workpiece can be directly cut without removing the workpiece from the workpiece. After being removed from the movable frame, it is rotated and clamped again.

According to an embodiment of the present invention, the fourth driving mechanism is a second cylinder, one end of the cylinder body of the second cylinder is hinged with the lifting platform, and the piston rod of the second cylinder is hinged with the pressing block. The cylinder can provide uniform and stable power output, and can realize reciprocating motion to improve the overall stability of the equipment. The workpiece can be rotated by a certain angle.

According to an embodiment of the present invention, the lower end of the pressing block is provided with two pressing bars distributed at intervals, and the clamping groove is arranged on the lower end of the pressing bar. The two pressing bars arranged at intervals can enable the pressing blocks to press the upper runner or both sides of the pouring gate of the workpiece, thereby improving the positioning accuracy of pressing and fixing.

According to an embodiment of the present invention, a blanking chute is further included, and the blanking chute is obliquely arranged on both sides of the support base and is located below the saw blade unit. When the casting body on the workpiece is cut by the saw blade, it will fall into the blanking trough and will not be scattered around, thereby improving the collection efficiency of the casting body.

Additional aspects and advantages of the present invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic perspective view of an automatic cutting device according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a partial structure of the first embodiment of the present invention.

FIG. 3 is a perspective view of the connection structure of the saw blade unit and the first driving mechanism according to the first embodiment of the present invention.

FIG. 4 is a perspective view of the connection structure of the movable frame and the second driving mechanism according to the first embodiment of the present invention.

FIG. 5 is a front view of the connecting structure of the pressing mechanism and the movable frame according to the first embodiment of the present invention.

6 is a perspective view of a support block according to the first embodiment of the present invention.

FIG. 7 is a three-dimensional schematic diagram of the connecting structure of the pressing mechanism and the movable frame according to the second embodiment of the present invention.

FIG. 8 is a three-dimensional schematic diagram of the structure of the pressing mechanism according to the second embodiment of the present invention.

9 is a perspective view of a workpiece according to the second embodiment of the present invention

Reference number:

Rack 100,

control unit 200,

Blanking chute 300,

Saw blade unit 400, saw blade 410,

The movable frame 500, the left column 520, the right column 530, the beam 540, the bottom plate 550, the support seat 560, the support block 561, the groove 562, the rack structure 570, the guide sleeve 580,

The pressing mechanism 600, the third driving mechanism 610, the fourth driving mechanism 620, the second cylinder 621, the second piston rod 622, the pressing block 630, the pressing bar 631, the slot 632, the convex block 633, the lifting table 640, the third cylinder 650,

The positioning mechanism 700, the first cylinder 710, the first piston rod 720,

The first driving mechanism 800 , the transmission belt 810 , the rotating shaft 820 , the second driving mechanism 830 , the second motor 831 , the gear 870 , and the first motor 880 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the orientation descriptions related to, such as up, down, front, rear, left, right, top, bottom, etc., indicate the orientation or positional relationship based on the orientation or position shown in the drawings The relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, if it is described that the first and the second are only for the purpose of distinguishing technical features, it should not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating The order of the indicated technical features.

In the description of the present invention, unless otherwise clearly defined, words such as setting and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention in combination with the specific content of the technical solution.

Example 1:

An automatic cutting apparatus according to a first embodiment of the present invention will be described below with reference to FIGS. 1 and 2 .

As shown in FIG. 1 and FIG. 2 , an automatic cutting device according to an embodiment of the present invention is described, including a rack 100 for carrying all parts of the device, and a control unit 200 for sending operation instructions to the device. The movable frame 500 that can be movably connected up and down on the frame 100 is provided with a support base 560 on the movable frame 500 . Two rotating shafts 820 are disposed on the frame 100 and are located on the left and right sides of the support base 560 respectively. Two sets of saw blade units 400 are respectively fixed on the two rotating shafts 820, and the two rotating shafts drive the saw blades. Unit turns. Each group of the saw blade units 400 is provided with two saw blades 410 , the two saw blades 410 are arranged at intervals and connected to the rotating shaft 820 , and are located on the front and rear sides of the support base 560 respectively. The frame 100 is further provided with a first driving mechanism 800 . The first driving mechanism 500 is connected with the two rotating shafts 820 and can drive the two rotating shafts 820 to rotate. The second driving mechanism 830 is also disposed on the frame 100 and can drive the movable frame 500 to move up and down. The pressing mechanism 600 is disposed on the movable frame 500 and located above the support base 560 . The first driving mechanism 800 drives the two saw blades 410 of the two saw blade units 400 to rotate to cut the workpiece, and the second driving mechanism 830 drives the workpiece on the movable frame 500 to approach the two The saw blade 410 enables the workpiece to be cut simultaneously on both sides in one casting body cutting process, which improves the cutting efficiency of the casting body; the two saw blades 410 respectively contact the left and right sides of the workpiece, and the workpiece is simultaneously affected by the two saw blades 400 Cutting, its force will be more uniform.

Of course, according to the actual situation, in some other embodiments, the control unit 200 may also be set at a place outside the rack 100 through the connection of an extension cable, so as to facilitate the operation of the staff. Of course, according to the actual situation, in some other embodiments, the two above-mentioned rotating shafts 820 can also be arranged on the two sliders of the slide rail, and the slide rail is arranged on the frame 100, and the distance between the sliders can be adjusted so as to adjust the two sliders. The distance between the rotating shafts 820 is suitable for different workpiece widths.

In this embodiment, in order to make the runner of the workpiece align with the pressing mechanism 600 and the support base 560 and improve the alignment accuracy, as shown in FIG. The positioning mechanism 700, the positioning mechanism 700 is located behind the movable frame 500; the positioning mechanism 700 includes a first cylinder 710, and the first piston rod 720 of the first cylinder 710 constitutes a positioning pusher of the positioning mechanism 700, the When the first piston rod 720 is extended, the workpiece can be pushed, and the runner of the workpiece can be aligned with the support seat 560 and the pressing block 630, and the stroke of the cylinder can be set to adapt to different shapes Positioning of large and small workpieces. In order to facilitate the control of the first cylinder 710 by the control unit 200, a first solenoid valve is further included, and the control unit 200 is electrically connected to the first solenoid valve and controls the first cylinder through the first solenoid valve 710.

Of course, according to the actual situation, in some other embodiments, a screw motor, a cam mechanism, etc. can also be selected to replace the first air cylinder 710 in the above-mentioned positioning mechanism 700 to drive the positioning pusher to extend or retract.

In this embodiment, as shown in FIGS. 2 and 4 , the movable frame 500 is provided with a rack structure 570 extending up and down, and the second driving mechanism 830 includes a gear 870 and a first gear that drives the gear 870 to rotate. Two motors 831 , the second motor 831 is electrically connected to the control unit 200 , the gear 870 meshes with the rack structure 570 , and the gear 870 meshes with the rack structure 570 . The second motor 831 drives the gear 870 to move on the rack structure 570 , so that the movable frame 500 can move up and down, close to the saw blade unit 400 , the rack structure 570 and the gear The engagement of the 870 provides a smooth feed rate for the workpiece when cutting, so that the workpiece is evenly stressed during the cutting process.

Of course, according to the actual situation, in other embodiments, other transmission structures such as a screw mechanism or an air cylinder can be selected to replace the gear 870 and the rack structure 570 in the above-mentioned embodiments to push the movable frame 500 Complete the ascent and descent movement.

In this embodiment, as shown in FIG. 2 and FIG. 4 , the movable frame 500 includes a bottom plate 550 , a beam 540 , a left column 520 and a right column 530 , and the beam 540 is located directly above the bottom plate 550 and all the The support base 560 is arranged in the middle of the bottom plate 550, wherein the left column 520 is connected to the left end of the bottom plate 550 and the left end of the beam 540, and the right column 530 is connected to the right end of the bottom plate 550 and the beam. At the right end of 540 , the rack structure 570 is formed on the outer surfaces of the left column 520 and the right column 530 . The movable frame 500 stably fixes the positions of the support base 560 and the pressing mechanism 600 , so that the workpiece is not easily shaken during the cutting process, and the cutting precision is improved. In addition, the frame 100 is provided with a guide sleeve 580 at the positions corresponding to the left column 520 and the right column 530 respectively. The rack 100 moves up and down.

Of course, according to the actual situation, in other embodiments, a thick metal plate can also be selected to replace the movable frame 500, and the pressing mechanism 600 and the said pressing mechanism 600 and the said metal plate are set by welding a protruding platform on the metal plate. Bearing parts such as the support base 560 .

In this embodiment, the first driving mechanism 800 includes two first motors 880 and two sets of transmission belts 810 . The two first motors 880 are electrically connected to the control unit 200 and pass through the two sets of transmission belts 810 respectively. It is connected with the two rotating shafts 820 . By setting the two motors 880 to respectively drive the two rotating shafts 820 to rotate, the rotation of the two rotating shafts 820 can be controlled separately, and only one of the rotating shafts can be driven to rotate if necessary.

Of course, according to the actual situation, in some other embodiments, a single motor can also be selected to be directly connected to the two rotating shafts 820 through a transmission chain or a transmission belt and drive the rotating shafts 820 to rotate at the same time. The rotating shaft 820 directly rotates continuously and drives the rotating shaft 820 to rotate.

In this embodiment, as shown in FIG. 5 , the pressing mechanism 600 includes a pressing block 630 and a third driving mechanism 610 that drives the pressing block 630 to move up and down. There are two pressing bars 631, and the lower ends of the pressing bars 631 are provided with a slot 632. The two pressing bars 631 arranged at intervals can enable the pressing block 630 to press the upper end of the runner or both sides of the sprue, thereby improving the positioning accuracy of pressing and fixing. The support base 560 is provided with a support block 561. As shown in FIG. 6, the left and right protrusions of the support block 561 are respectively provided with grooves 562, and the grooves 562 can be embedded with both sides of the runner of the workpiece. It can prevent the workpiece from shaking, reduce the displacement of the workpiece, reduce the shaking, and better realize the pressing and fixing.

In this embodiment, the pressing mechanism 600 further includes a lifting platform 640, and the pressing block 630 is connected to the lifting platform 640; the third driving mechanism 610 preferably adopts a third air cylinder 650, in order to facilitate the passage of The control unit 200 controls the third air cylinder 650 and further includes a third solenoid valve. The control unit 200 is electrically connected to the third solenoid valve and controls the third air cylinder 650 through the third solenoid valve. Of course, according to the actual situation, in other embodiments, other types of driving structures such as a screw-slide mechanism can also be selected; and, in this embodiment, the cylinder body of the third air cylinder 650 is fixed on the machine The lower end of the piston rod is connected to the lifting platform 640; of course, according to the actual situation, in some other embodiments, the piston rod can also be directly connected to the pressing block 630.

In this embodiment, as shown in FIG. 1 , a blanking chute 300 is further included. The blanking chute 300 is obliquely arranged on both sides of the support base 560 and is located below the saw blade unit 400 . When the casting body is cut by the saw blade 410, it will fall into the blanking slot 300 and will not be scattered around, which improves the collection efficiency of the casting body.

The working flow of the automatic cutting device according to the present embodiment will be described in detail below. It is to be understood that the following description is illustrative only and not specific limitation of the invention.

First, the movable frame 500 is controlled by the control unit 200 to rise until the support base 560 is higher than the top of the two saw blades 410, so that the movable frame 500 is in the initial state, which is convenient for the workers to disassemble and assemble the workpiece safely; then the workers install the runner of the workpiece on the On the two protruding grooves 562 on the support block 561, the positioning mechanism 700 is controlled by the staff to move forward against the sprue of the workpiece and push the workpiece to align with the groove 632 of the pressing bar 631, and the pressing mechanism 600 is controlled by the control unit 200. Move down to make the slot 632 on the pressure bar 631 under the pressure block 630 fit with the runner at the top of the workpiece; after the workpiece is fixed, the rotating shaft 820 is driven to rotate by the first driving mechanism 800 to drive the saw blade unit 400 to rotate; After the unit 400 reaches a certain rotational speed, the movable frame 500 drives the workpiece to move down so that both sides of the workpiece are close to the two saw blades 410 for cutting. The support base 560 is raised to be higher than the saw blade unit 400, and then the face changing operation of the workpiece is completed by manual operation of the staff, and then the movable frame 500 is lowered to continue cutting the workpiece. After the cutting is completed, the movable frame 500 is reset to the initial state, and the worker disassembles the workpiece and performs the next round of cutting cycle.

According to the automatic cutting device according to the first embodiment of the present invention, by setting in this way, at least some of the following effects can be achieved. The drive mechanism 830 drives the workpiece on the movable frame to approach the two saw blades 410 so that the workpiece can be simultaneously cut on both sides in one casting cutting process, so that the casting body located on the front and rear sides of the workpiece is connected to the runner on the workpiece during one cutting process. separation, thereby improving the efficiency of workpiece cutting.

Embodiment 2:

The following describes the automatic cutting device according to the second embodiment of the present invention with reference to FIGS. 7 to 9 . The difference from the first embodiment is that the pressing mechanism 600 and the support block 561 are arranged to drive the workpiece to rotate, and the other structures are the same as those of the first embodiment. Embodiment 1 is the same.

As shown in FIG. 7 , in this embodiment, the pressing mechanism 600 further includes a lifting platform 640 , and the pressing block 630 is rotatably connected to the lifting platform 640 . The fourth driving mechanism 620 for the rotation of the pressing block 630, the third driving mechanism 610 is connected to the lifting table 640 and can drive the lifting table 640 to move up and down, the pressing block 630 and the fourth driving mechanism 620 The rotation of the pressing block 630 can be realized by being connected and driven by the fourth driving mechanism 620 .

As shown in FIG. 8 , the clamping grooves 632 are provided on both inward sides of the bead 631 and are provided with notches. As shown in FIG. 9 , bumps 633 are provided on the left and right sides of the runner or runner of the workpiece. The bumps The 633 can be fitted with the clamping groove 632 through the notch of the clamping groove 632, so that the pressing bar 631 can clamp the workpiece. The single groove 562 at the top of the support block 561 is a spherical groove or a square groove. When the end of the runner of the workpiece is set to be spherical, the runner of the workpiece can be connected to the spherical groove of the groove 562. Contact and can maintain rotation, or the square groove of the groove 562 achieves point contact with the spherical end of the workpiece runner and can maintain rotation. When the upper and lower runners of the workpiece are respectively inserted into the slot 632 of the bead 631 and the top groove 562 of the support block 561, the pressing block 630 can drive the workpiece to rotate to realize the function of automatic face changing.

Of course, according to the actual situation, in some other embodiments, the above-mentioned support block 561 can be rotatably connected with the support base 560, so as to realize the rotation of the workpiece.

In this embodiment, as shown in FIG. 8 , the fourth driving mechanism 620 is a second cylinder 621 , one end of the cylinder of the second cylinder 621 is hinged with the lifting platform 640 , and the The piston rod 622 is hinged with the pressing block 630 , and the pressing block 630 is rotatably connected with the lifting platform 640 . In order to facilitate the control of the second cylinder 621 by the control unit 200, a second solenoid valve is also included. The control unit 200 is electrically connected to the second solenoid valve and controls the second cylinder through the second solenoid valve. 621. The cylinder can provide uniform and stable power output, and can realize reciprocating motion to improve the overall stability of the equipment. The workpiece can be rotated to realize automatic face changing.

Of course, according to the actual situation, in some other embodiments, the above-mentioned fourth driving mechanism 620 can be replaced by a servo motor. The servo motor is arranged on the lifting platform 640 and is connected to the pressing block 630 through gears, so that the The servo motor can drive the pressing block 630 to rotate to realize the rotation of the workpiece.

The working flow of the automatic cutting device according to the present embodiment will be described in detail below. It is to be understood that the following description is illustrative only and not specific limitation of the invention.

First, the movable frame 500 is controlled by the control unit 200 to rise until the support base 560 is higher than the top of the two saw blades 410, so that the movable frame 500 is in the initial state, which is convenient for the workers to disassemble and assemble the workpiece safely. The protrusions 633 are clamped between the two side slots 632 of the two pressing bars 631 . The positioning mechanism 700 is manipulated to move forward against the runner of the workpiece and push the workpiece to align the workpiece with the groove 562 of the support block 561, and then the control unit 200 controls the pressing mechanism 600 to move down so that the groove 562 of the support block 561 aligns with the groove 562 of the support block 561. The runner of the workpiece is fitted and pressed. After the workpiece is pressed, the first drive mechanism 800 drives the rotating shaft 820 to rotate, thereby driving the saw blade unit 400 to rotate. When the saw blade unit 400 reaches a certain speed, the movable frame 500 drives the workpiece to move down so that the two sides of the workpiece are close to the two saw blades. 410 for cutting. When the workpiece needs to be cut on multiple sides, after the saw blade 410 completes one cut, the movable frame 500 can be raised until the top of the support base 560 is higher than the saw blade unit 400, and then the control unit 200 controls the second air cylinder 621 to push the pressing block 630 Rotate to make the workpiece rotate 90 degrees, and then lower the movable frame 500 to continue cutting the workpiece. After the cutting is completed, the movable frame 500 is reset to the initial state, and the worker disassembles the workpiece and performs the next round of cutting cycle.

According to the automatic cutting device according to the second embodiment of the present invention, by setting in this way, at least some of the following effects can be achieved. The first driving mechanism 800 drives the two saw blades 410 of the two saw blade units 400 to rotate to cut the workpiece and pass the second The driving mechanism 830 drives the workpiece on the movable frame to approach the two saw blades 410, and the fourth driving mechanism 620 drives the pressing block 630 to rotate to realize the automatic face changing function of the workpiece, so that the workpiece can automatically complete the four-side casting body and casting during the casting cutting process. The separation of the track, thereby improving the efficiency of workpiece cutting.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the technical field, various modifications can be made without departing from the purpose of the present invention. kind of change.

Claims (10)

1. an automatic cutting device, is characterized in that, comprises: rack(100); a movable frame (500), which can be movably connected to the frame (100) up and down, and a support seat (560) is provided on the movable frame (500); Two rotating shafts (820) are arranged on the frame (100) and are respectively located on the left and right sides of the support base (560); Two groups of saw blade units (400) are respectively fixed on the two rotating shafts (820), each group of the saw blade units (400) is provided with two saw blades (410), and the two saw blades (410) are arranged at intervals cloth and connected to the rotating shaft (820), and are respectively located on the front and rear sides of the support seat (560); a first driving mechanism (800), arranged on the frame (100), connected with the two rotating shafts (820), and capable of driving the two rotating shafts (820) to rotate; a second driving mechanism (830), disposed on the frame (100), and capable of driving the movable frame (500) to move up and down; A pressing mechanism (600) is arranged on the movable frame (500) and is located above the support seat (560). 2 . The automatic cutting device according to claim 1 , further comprising a positioning mechanism ( 700 ), the positioning mechanism ( 700 ) being arranged on the frame ( 100 ) and located on the movable frame ( 2 . 500) rear. 3. The automatic cutting device according to claim 1, wherein the movable frame (500) is provided with a rack structure (570) extending up and down, and the second driving mechanism (830) comprises a gear (870) ) and a second motor (831) that drives the gear (870) to rotate, and the gear (870) meshes with the rack structure (570). 4. The automatic cutting device according to claim 3, wherein the movable frame (500) comprises a bottom plate (550), a beam (540), a left column (520) and a right column (530); The beam (540) is located directly above the bottom plate (550); the support base (560) is arranged in the middle of the bottom plate (550), wherein the left upright column (520) is connected to the left end of the bottom plate (550) and the left end of the beam (540), the right column (530) is connected to the right end of the bottom plate (550) and the right end of the beam (540), the left column (520) and the right column (530) The rack structure (570) is formed on the outer surface. 5. The automatic cutting device according to claim 1, wherein the first driving mechanism (800) comprises two first motors (880) and two sets of transmission belts (810); the two first motors (810) 880) are respectively connected with the two rotating shafts (820) through two sets of the transmission belts (810). 6. The automatic cutting device according to any one of claims 1-5, wherein the pressing mechanism (600) comprises a pressing block (630) and a third pressing block (630) that drives the pressing block (630) to move up and down A drive mechanism (610), the lower end of the pressing block (630) is provided with a clamping slot (632), the support base (560) is provided with a support block (561), and the top of the support block (561) is provided with a concave a groove (562), the pressing block (630) is located just above the supporting block (561). 7. The automatic cutting device according to claim 6, wherein the pressing mechanism (600) further comprises a lifting platform (640), and the pressing block (630) is rotatably connected to the lifting platform (640). ), the lifting platform (640) is provided with a fourth driving mechanism (620) for driving the pressing block (630) to rotate, and the third driving mechanism (610) is connected to the lifting platform (640) and The lifting platform (640) can be driven to move up and down. 8 . The automatic cutting device according to claim 7 , wherein the fourth driving mechanism ( 620 ) is a second cylinder ( 621 ), and one end of the cylinder of the second cylinder ( 621 ) is connected to the lift The stage (640) is hinged, and the second piston rod (622) of the second cylinder (621) is hinged with the pressing block (630). 9 . The automatic cutting device according to claim 8 , wherein the lower end of the pressing block ( 630 ) is provided with two pressing bars ( 631 ) distributed at intervals, and the clamping grooves ( 632 ) are arranged on the pressing bars. 10 . (631) on both sides. 10 . The automatic cutting device according to claim 1 , further comprising a blanking chute (300), the blanking chute (300) is obliquely arranged on both sides of the support seat (560), and is located at the below the saw blade unit (400).

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