CN110814323A

CN110814323A - Automatic cutting equipment

Info

Publication number: CN110814323A
Application number: CN201910949073.8A
Authority: CN
Inventors: 甘子成
Original assignee: Dongguan Guiye Automation Equipment Technology Co Ltd
Current assignee: Dongguan Guiye Automation Equipment Technology Co Ltd
Priority date: 2018-10-10
Filing date: 2019-10-08
Publication date: 2020-02-21
Also published as: CN211218651U

Abstract

The invention discloses automatic cutting equipment, which comprises a rack and a movable frame, wherein the movable frame can be movably connected to the rack up and down; two rotating shafts arranged on the rack and respectively positioned at the left side and the right side of the supporting seat; two groups of saw blade units are respectively fixed on the two rotating shafts, each group of saw blade unit is provided with two saw blades, and the two saw blades are arranged at intervals and connected on the rotating shafts and are respectively positioned at the front side and the rear side of the supporting seat; and the pressing mechanism is arranged on the movable frame and is positioned above the supporting seat. According to the automatic cutting equipment, a worker only needs to fix the runner of the workpiece through the supporting seat and the pressing mechanism, then the workpiece is enabled to be close to the saw blades on the front side and the rear side of the supporting seat through the up-and-down movement of the movable frame, and the casting bodies on the two sides of the workpiece are cut through the saw blades on the front side and the rear side, so that the casting bodies on the two sides of the workpiece are separated from the runner at the same time, and the production efficiency is.

Description

Automatic cutting equipment

Technical Field

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

Background

The casting body has a structure that a plurality of casting bodies are connected to one or more surfaces of the pouring gate when the casting is completed, and the casting bodies need to be cut from the pouring gate to obtain the casting bodies. The traditional cutting method is manual cutting, a workpiece is held by a worker and sent to a high-speed saw blade to cut the joint of a pouring channel and a casting body, so that the casting body falls off, and the traditional method is easy to cause danger and low in efficiency. The existing automatic cutting instrument fixes a workpiece through a clamp, and one side of the workpiece is cut by using a high-speed saw blade to obtain a casting body. The method needs to take off the workpiece and change the surface of the workpiece and then fix the workpiece by the clamp after cutting, and the whole efficiency is not high.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides automatic cutting equipment which can improve the cutting efficiency of the casting body.

The automatic cutting equipment comprises a rack and a movable frame, wherein the movable frame can be movably connected to the rack up and down, and a supporting seat is arranged on the movable frame; the two rotating shafts are arranged on the rack and are respectively positioned on the left side and the right side of the supporting seat; the two groups of saw blade units are respectively fixed on the two rotating shafts, each group of saw blade unit is provided with two saw blades, and the two saw blades are arranged at intervals and connected to the rotating shafts and are respectively positioned on the front side and the rear side of the supporting seat; the first driving mechanism is arranged on the rack, is connected with the two rotating shafts and can drive the two rotating shafts to rotate; the second driving mechanism is arranged on the rack and can drive the movable frame to move up and down; and the pressing mechanism is arranged on the movable frame and is positioned above the supporting seat.

The automatic cutting equipment provided by the embodiment of the invention at least has the following beneficial effects: the workpiece can be pressed on the fixed sliding frame through the pressing device and the supporting seat, the two saw blades of the two saw blade units are driven to rotate through the first driving mechanism to cut the workpiece, the workpiece on the movable frame is driven to be close to the two saw blades through the second driving mechanism, and casting bodies on the front side and the rear side of the workpiece can be separated from a pouring channel on the workpiece in one cutting process, so that the workpiece cutting efficiency is improved; and through setting up two the pivot to and set up two epaxial saw bit unit cuts from the left and right sides of work piece, can make the work piece atress more even, avoids the work piece because of the problem that the position skew appears in unilateral atress to influence cutting accuracy.

According to the embodiment of the invention, the device comprises a positioning mechanism, wherein the positioning mechanism is arranged on the rack and is positioned behind the movable frame. The positioning mechanism pushes the workpiece, so that a pouring channel of the workpiece can be aligned with the pressing mechanism and the supporting seat, and the alignment precision is improved.

According to the embodiment of the invention, the movable frame is provided with a rack structure extending up and down, the second driving mechanism comprises a gear and a second motor driving the gear to rotate, and the gear is meshed with the rack structure. The second motor drives the gear to rotate, so that the movable frame with the rack structure can move up and down to be close to the saw blade unit, the engagement of the rack structure and the transmission teeth provides stable feeding amount when a workpiece is cut, the workpiece is uniformly stressed, and the joint of the casting body and the pouring gate is not easily snapped.

According to the embodiment of the invention, the movable frame comprises a bottom plate, a cross beam, a left upright post and a right upright post; the cross beam is positioned right above the bottom plate; the supporting seat is arranged in the middle of the bottom plate, the left upright post is connected with the left end of the bottom plate and the left end of the cross beam, and the right upright post is connected with the right end of the bottom plate and the right end of the cross beam; the movable frame stably fixes the supporting seat and the pressing mechanism, so that the workpiece can not easily shake in the cutting process, and the cutting precision is improved.

According to the embodiment of the invention, the first driving mechanism comprises two first motors and two groups of transmission belts; the two first motors are respectively connected with the two rotating shafts through two groups of driving belts. The two motors are arranged to respectively drive the two rotating shafts to rotate, so that the rotation of the two rotating shafts can be respectively controlled, and only one rotating shaft can be driven to rotate when necessary.

According to the embodiment of the invention, the pressing mechanism comprises a pressing block and a third driving mechanism for driving the pressing block to move up and down, a clamping groove is formed in the lower end of the pressing block, a supporting block is arranged on the supporting seat, a groove is formed in the top of the supporting block, and the pressing block is located right above the supporting block. The clamping groove at the lower end of the pressing block and the groove formed in the top of the supporting block can be used for fixing the upper pouring channel and the lower pouring channel of the workpiece respectively, so that the displacement of the workpiece is reduced, the shaking is reduced, and the pressing and fixing are realized better.

According to the embodiment of the invention, the pressing mechanism further comprises a lifting table, the pressing block is rotationally connected to the lifting table, a fourth driving mechanism for driving the pressing block to rotate is arranged on the lifting table, and the third driving mechanism is connected with the lifting table and can drive the lifting table to move up and down. The pressing block is connected with the fourth driving mechanism and can be driven by the fourth driving mechanism to rotate, and when a workpiece is embedded into the clamping groove on the pressing bar, the pressing block can drive the workpiece to rotate, so that the workpiece can be automatically changed without clamping the workpiece again; for example, when the casting body on the workpiece is not only arranged on the front side and the rear side of the workpiece runner, but also on the front side, the rear side, the left side and the right side of the workpiece runner are provided with the casting bodies, after the casting bodies on the front side and the rear side of the workpiece are cut, the workpiece is driven to rotate through the fourth driving mechanism, and the workpiece on the left side and the right side of the workpiece can be directly cut without taking the workpiece off the movable frame, rotating and clamping again.

According to the embodiment of the invention, the fourth driving mechanism is a second air cylinder, one end of a cylinder body of the second air cylinder is hinged with the lifting table, and a piston rod of the second air cylinder is hinged with the pressing block. The cylinder can provide even stable power output to can realize reciprocating motion, improve equipment's overall stability, through the piston rod fore-and-aft motion of second cylinder can make articulate in on the piston rod the briquetting rotates, thereby makes the work piece can rotate certain angle.

According to the embodiment of the invention, the lower end of the pressing block is provided with two pressing strips which are distributed at intervals, and the clamping groove is arranged at the lower end of each pressing strip. Through two layering that the interval set up, can make the briquetting can compress tightly the both sides of work piece upper end pouring gate or sprue to improve and compress tightly fixed positioning accuracy.

According to the embodiment of the invention, the saw blade unit further comprises a charging chute, wherein the charging chute is obliquely arranged on two sides of the supporting seat and is positioned below the saw blade unit. When the casting body on the workpiece is cut off by the saw blade, the casting body can fall into the charging chute and cannot scatter around, and the collection efficiency of the casting body is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

fig. 1 is a perspective view schematically illustrating an automatic cutting apparatus according to a first embodiment of the present invention.

Fig. 2 is a perspective view of a part of the structure of the first embodiment of the present invention.

Fig. 3 is a perspective view illustrating a coupling structure of a blade unit and a first driving mechanism according to a first embodiment of the present invention.

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

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

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

Fig. 7 is a perspective view of a pressing mechanism and a movable frame connecting structure according to a second embodiment of the present invention.

Fig. 8 is a perspective view of a pressing mechanism according to a second embodiment of the present invention.

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

Reference numerals:

a machine frame 100,

A control unit 200,

A charging chute 300,

A blade unit 400, a blade 410,

A movable frame 500, a left upright column 520, a right upright column 530, a cross beam 540, a bottom plate 550, a supporting seat 560, a supporting block 561, a groove 562, a rack structure 570, a guide sleeve 580,

The pressing mechanism 600, the third driving mechanism 610, the fourth driving mechanism 620, the second air cylinder 621, the second piston rod 622, the pressing block 630, the pressing strip 631, the clamping groove 632, the bump 633, the lifting platform 640, the third air cylinder 650,

A positioning mechanism 700, a first cylinder 710, a first piston rod 720,

A first driving mechanism 800, a belt 810, a rotating shaft 820, a second driving mechanism 830, a second motor 831, a gear 870 and a first motor 880.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, top, bottom, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly defined, terms such as arrangement, connection and the like should be broadly construed, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the detailed contents of the technical solutions.

The first embodiment is as follows:

an automatic cutting apparatus according to a first embodiment of the present invention is described below with reference to fig. 1 and 2.

As shown in fig. 1 and 2, an automatic cutting apparatus according to an embodiment of the present invention is described, which includes a frame 100 for carrying all components of the apparatus, and a control unit 200 for implementing operation instructions to the apparatus. The movable frame 500 can be movably connected to the frame 100 up and down, and the movable frame 500 is provided with a support seat 560. The two rotating shafts 820 are disposed on the frame 100 and located at the left and right sides of the supporting seat 560, and the two groups of blade units 400 are fixed on the two rotating shafts 820 respectively, and the two rotating shafts drive the blade units to rotate. 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, connected to the rotating shaft 820, and respectively located at the front side and the rear side of the supporting seat 560. The rack 100 is further provided with a first driving mechanism 800, and the first driving mechanism 500 is connected to 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. And the pressing mechanism 600 is arranged on the movable frame 500 and is located above the supporting seat 560. The first driving mechanism 800 drives the two saw blades 410 of the two saw blade units 400 to rotate to cut a workpiece, and the second driving mechanism 830 drives the workpiece on the movable frame 500 to approach the two saw blades 410, so that the workpiece can be simultaneously cut on two sides in the process of cutting a casting body at one time, and the cutting efficiency of the casting body is improved; the two saw blades 410 respectively contact the left and right sides of the workpiece and the workpiece is cut by the two saw blades 400 at the same time, so that the stress is more uniform.

Of course, in other embodiments, the control unit 200 may be disposed outside the rack 100 through the connection of the extension line, so as to facilitate the operation of the worker. Of course, according to practical situations, in other embodiments, the two rotating shafts 820 may also be disposed on two sliding blocks of a sliding rail disposed on the rack 100, and the distance between the two rotating shafts 820 can be adjusted by adjusting the distance between the sliding blocks, so as to adapt to different widths of workpieces.

In this embodiment, in order to align the runner of the workpiece with the pressing mechanism 600 and the supporting seat 560 and improve the alignment accuracy, as shown in fig. 2, the present invention further includes a positioning mechanism 700 disposed on the machine frame 100, wherein the positioning mechanism 700 is located behind the movable frame 500; the positioning mechanism 700 comprises a first cylinder 710, a first piston rod 720 of the first cylinder 710 forms a positioning pushing member of the positioning mechanism 700, the first piston rod 720 can push the workpiece by extending, and a runner of the workpiece can be aligned with the supporting seat 560 and the pressing block 630, and the stroke of the cylinder can be set to adapt to positioning of workpieces with different shapes and sizes. 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 710 by the first solenoid valve.

Of course, according to practical circumstances, in other embodiments, a lead screw motor, a cam mechanism, etc. may be used to drive the positioning pushing member to extend or retract instead of the first cylinder 710 in the positioning mechanism 700.

In this embodiment, as shown in fig. 2 and 4, a rack structure 570 extending up and down is disposed on the movable frame 500, the second driving mechanism 830 includes a gear 870 and a second motor 831 driving the gear 870 to rotate, the second motor 831 is electrically connected to the control unit 200, the gear 870 is engaged with the rack structure 570, and the gear 870 is engaged 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 to be close to the saw blade unit 400, and the engagement of the rack structure 570 and the gear 870 provides a stable feeding amount for the workpiece to be cut, so that the workpiece is uniformly stressed in the cutting process.

Of course, according to practical situations, in other embodiments, other transmission structures such as a screw mechanism or an air cylinder may be used instead of the gear 870 and the rack structure 570 in the above embodiments to push the movable frame 500 to perform the ascending and descending motions.

In this embodiment, as shown in fig. 2 and fig. 4, the movable frame 500 includes a bottom plate 550, a cross beam 540, a left upright 520 and a right upright 530, the cross beam 540 is located right above the bottom plate 550, and the supporting seat 560 is disposed right in the middle of the bottom plate 550, wherein the left upright 520 is connected to the left end of the bottom plate 550 and the left end of the cross beam 540, the right upright 530 is connected to the right end of the bottom plate 550 and the right end of the cross beam 540, and the rack structures 570 are formed on the outer side surfaces of the left upright 520 and the right upright 530. The movable frame 500 stably fixes the supporting seat 560 and the pressing mechanism 600, so that the workpiece can not easily shake in the cutting process, and the cutting precision is improved. And the frame 100 is provided with a guide sleeve 580 at a position corresponding to the left upright 520 and the right upright 530, respectively, and the left upright 520 and the right upright 530 pass through the guide sleeve 580, so that the movable frame 500 can move up and down on the frame 100.

Of course, according to practical circumstances, in other embodiments, a thick metal plate may be used instead of the movable frame 500, and the pressing mechanism 600 and the supporting member such as the supporting seat 560 may be provided by welding a protruding platform on the metal plate.

In this embodiment, the first driving mechanism 800 includes two first motors 880 and two sets of belts 810, and the two first motors 880 are electrically connected to the control unit 200 and are respectively connected to the two rotating shafts 820 through the two sets of belts 810. By providing two motors 880 to drive the two rotating shafts 820 to rotate respectively, the rotation of the two rotating shafts 820 can be controlled respectively, and only one of the rotating shafts can be driven to rotate when necessary.

Of course, according to practical situations, in other embodiments, a single motor may be further adopted to directly connect with the two rotating shafts 820 through a transmission chain or a transmission belt and simultaneously drive the rotating shafts 820 to rotate, and of course, two motors may also be respectively used to directly connect with the two rotating shafts 820 and drive the rotating shafts 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 for driving the pressing block 630 to move up and down, two pressing bars 631 distributed at intervals are disposed at the lower end of the pressing block 630, and a clamping groove 632 is disposed at the lower end of each pressing bar 631. The pressing strips 631 are arranged at intervals, so that the pressing block 630 can press two sides of a pouring gate or a pouring gate at the upper end of the workpiece, and the pressing and fixing positioning accuracy is improved. The supporting seat 560 is provided with a supporting block 561, as shown in fig. 6, a left bulge and a right bulge of the supporting block 561 are respectively provided with a groove 562, and the grooves 562 can be embedded with two sides of a down-gate of a workpiece to prevent the workpiece from shaking, so that the displacement of the workpiece is reduced, the shaking is reduced, and the pressing and fixing are better realized.

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 employs a third cylinder 650, and for convenience of controlling the third cylinder 650 through the control unit 200, the third driving mechanism further includes a third electromagnetic valve, and the control unit 200 is electrically connected to the third electromagnetic valve and controls the third cylinder 650 through the third electromagnetic valve. Of course, according to practical situations, in other embodiments, other types of driving structures such as a screw rod sliding block mechanism and the like can be selected; in this embodiment, the cylinder body of the third cylinder 650 is fixed on the frame 100, and the lower end of the piston rod is connected to the lifting platform 640; of course, according to practical situations, in other embodiments, the piston rod may be directly connected to the pressing block 630.

In this embodiment, as shown in fig. 1, the casting device further includes a chute 300, the chute 300 is obliquely disposed at two sides of the supporting seat 560 and is located below the saw blade unit 400, when the casting body on the workpiece is cut off by the saw blade 410, the casting body falls into the chute 300 and is not scattered around, so that the casting body collection efficiency is improved.

The work flow of the automatic cutting apparatus according to the present embodiment is described in detail below. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.

Firstly, the control unit 200 controls the movable frame 500 to ascend until the supporting seat 560 is higher than the top ends of the two saw blades 410, so that the movable frame 500 is in an initial state, and workers can conveniently and safely disassemble and assemble workpieces; then, a worker installs the lower pouring gate of the workpiece on the two raised grooves 562 on the supporting block 561, controls the positioning mechanism 700 to move forwards to abut against the pouring gate of the workpiece and push the workpiece to align with the clamping groove 632 of the pressing strip 631, and controls the pressing mechanism 600 to move downwards through the control unit 200 so that the clamping groove 632 on the pressing strip 631 below the pressing block 630 is embedded with the top pouring gate of the workpiece; after the workpiece is fixed, the first driving mechanism 800 drives the rotating shaft 820 to rotate so as to drive the saw blade unit 400 to rotate; when the saw blade unit 400 reaches a certain rotating speed, the movable frame 500 drives the workpiece to move downwards to enable two side faces of the workpiece to be close to the two saw blades 410 for cutting, when the workpiece needs to be cut in multiple faces, the movable frame 500 can be lifted up to enable the supporting seat 560 to be higher than the saw blade unit 400 after the saw blades 410 finish one-time cutting, then the face changing operation of the workpiece is finished through manual operation of workers, and then the movable frame 500 is lowered to continue to cut the workpiece. After the cutting is completed, the movable frame 500 is reset to the initial state, and the worker detaches the workpiece to perform the next cutting cycle.

According to the automatic cutting equipment of the first embodiment of the invention, by such arrangement, at least some 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 the second driving mechanism 830 drives the workpiece on the movable frame to approach the two saw blades 410, so that the workpiece can be cut on two sides simultaneously in a casting cutting process, and casting bodies on the front side and the rear side of the workpiece can be separated from a runner on the workpiece in a cutting process, thereby improving the efficiency of cutting the workpiece.

Example two:

an automatic cutting apparatus according to a second embodiment of the present invention will be described with reference to fig. 7 to 9, which is different from the first embodiment in that a pressing mechanism 600 and a supporting block 561 are provided to rotate a workpiece, and the rest of the structure is the same as that of the first embodiment.

As shown in fig. 7, in this embodiment, the pressing mechanism 600 further includes an elevating platform 640, the pressing block 630 is rotatably connected to the elevating platform 640, a fourth driving mechanism 620 for driving the pressing block 630 to rotate is disposed on the elevating platform 640, the third driving mechanism 610 is connected to the elevating platform 640 and can drive the elevating platform 640 to move up and down, and the pressing block 630 is connected to the fourth driving mechanism 620 and can be driven by the fourth driving mechanism 620 to rotate the pressing block 630.

As shown in fig. 8, the clamping groove 632 is disposed at two inward sides of the molding strip 631 and is provided with a notch, as shown in fig. 9, a projection 633 is disposed at the gate or the left and right of the runner of the workpiece, and the projection 633 can be embedded with the clamping groove 632 through the notch of the clamping groove 632, so that the molding strip 631 can clamp the workpiece. The single groove 562 on the top of the supporting block 561 is a spherical groove or a square groove, and when the tail end of the lower runner of the workpiece is arranged in a spherical shape, the runner of the workpiece can be in surface contact with the spherical groove of the groove 562 and can keep rotating, or the square groove of the groove 562 is in point contact with the spherical tail end of the runner of the workpiece and can keep rotating. When the upper and lower runners of the workpiece are respectively embedded into the slots 632 of the upper pressing strip 631 and the grooves 562 on the top of the supporting block 561, the pressing block 630 can drive the workpiece to rotate, and the function of automatic face changing is realized.

Of course, in other embodiments, the supporting block 561 may be rotatably connected to the supporting base 560 to rotate 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 body of the second cylinder 621 is hinged to the lifting platform 640, the piston rod 622 of the second cylinder 621 is hinged to the pressing block 630, and the pressing block 630 is rotatably connected to the lifting platform 640. In order to control the second cylinder 621 through the control unit 200, a second electromagnetic valve is further included, and the control unit 200 is electrically connected to the second electromagnetic valve and controls the second cylinder 621 through the second electromagnetic valve. The cylinder can provide even stable power output to can realize reciprocating motion, improve equipment's overall stability, through the piston rod fore-and-aft motion of second cylinder can make articulate in on the piston rod the briquetting rotates, thereby makes the work piece rotate, realizes changing the face automatically.

Certainly, according to practical situations, in some other embodiments, the fourth driving mechanism 620 may be replaced by a servo motor, and the servo motor is disposed on the lifting platform 640 and is in transmission connection with the pressing block 630 through a gear, so that the servo motor can drive the pressing block 630 to rotate, thereby achieving rotation of the workpiece.

Firstly, the control unit 200 controls the movable frame 500 to ascend until the supporting seat 560 is higher than the top ends of the two saw blades 410, so that the movable frame 500 is in an initial state, a worker can conveniently and safely disassemble and assemble a workpiece, and the worker clamps the convex blocks 633 at two sides of the sprue gate of the workpiece between the clamping grooves 632 at two sides of the two pressing strips 631. The positioning mechanism 700 is operated to move forward to abut against the runner of the workpiece and push the workpiece to align the workpiece with the groove 562 of the supporting block 561, and then the pressing mechanism 600 is operated by the control unit 200 to move downward to engage and press the groove 562 of the supporting block 561 with the lower runner of the workpiece. After the workpiece is pressed, the first driving mechanism 800 drives the rotating shaft 820 to rotate, so as to drive the blade unit 400 to rotate, and when the blade unit 400 reaches a certain rotating speed, the movable frame 500 drives the workpiece to move downwards, so that two side surfaces of the workpiece are close to the two blades 410 for cutting. When the workpiece needs to be cut in multiple surfaces, the movable frame 500 can be lifted until the top of the supporting seat 560 is higher than the saw blade unit 400 after the saw blade 410 finishes one cutting, then the second air cylinder 621 is controlled by the control unit 200 to push the pressing block 630 to rotate, so that the workpiece rotates 90 degrees, and then the movable frame 500 is lowered to continue the cutting of the workpiece. After the cutting is completed, the movable frame 500 is reset to the initial state, and the worker detaches the workpiece to perform the next cutting cycle.

According to the automatic cutting equipment of the second embodiment of the invention, at least some effects can be achieved by the arrangement that the first driving mechanism 800 drives the two saw blades 410 of the two saw blade units 400 to rotate to cut the workpiece, the second driving mechanism 830 drives the workpiece on the movable frame to approach the two saw blades 410, 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 separation of the casting body and the pouring gate on the four sides in the casting cutting process, and the workpiece cutting efficiency is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An automatic cutting apparatus, comprising:

a frame (100);

the movable frame (500) can be movably connected to the rack (100) up and down, and a supporting seat (560) is arranged on the movable frame (500);

the two rotating shafts (820) are arranged on the rack (100) and are respectively positioned at the left side and the right side of the supporting seat (560);

two groups of saw blade units (400) are respectively fixed on the two rotating shafts (820), each group of saw blade unit (400) is provided with two saw blades (410), and the two saw blades (410) are arranged at intervals, connected to the rotating shafts (820) and respectively positioned at the front side and the rear side of the supporting seat (560);

the first driving mechanism (800) is arranged on the rack (100), is connected with the two rotating shafts (820) and can drive the two rotating shafts (820) to rotate;

the second driving mechanism (830) is arranged on the rack (100) and can drive the movable frame (500) to move up and down;

and the pressing mechanism (600) is arranged on the movable frame (500) and is positioned above the supporting seat (560).

2. The automatic cutting apparatus according to claim 1, further comprising a positioning mechanism (700), said positioning mechanism (700) being disposed on said machine frame (100) and behind said movable frame (500).

3. The automatic cutting apparatus according to claim 1, wherein a rack structure (570) extending up and down is provided on the movable frame (500), the second driving mechanism (830) comprises a gear (870) and a second motor (831) for driving the gear (870) to rotate, and the gear (870) is engaged with the rack structure (570).

4. The automatic cutting apparatus according to claim 3, wherein said movable frame (500) comprises a bottom plate (550), a cross beam (540), a left upright (520) and a right upright (530); the cross beam (540) is positioned right above the bottom plate (550); the supporting seat (560) is arranged in the middle of the bottom plate (550), the left upright column (520) is connected with the left end of the bottom plate (550) and the left end of the cross beam (540), the right upright column (530) is connected with the right end of the bottom plate (550) and the right end of the cross beam (540), and the rack structures (570) are formed on the outer side surfaces of the left upright column (520) and the right upright column (530).

5. The automatic cutting apparatus according to claim 1, characterized in that said first driving mechanism (800) comprises two first motors (880) and two sets of belts (810); the two first motors (880) are respectively connected with the two rotating shafts (820) through two groups of transmission belts (810).

6. The automatic cutting device according to any one of claims 1 to 5, wherein the pressing mechanism (600) comprises a pressing block (630) and a third driving mechanism (610) for driving the pressing block (630) to move up and down, a clamping groove (632) is arranged at the lower end of the pressing block (630), a supporting block (561) is arranged on the supporting seat (560), a groove (562) is arranged at the top of the supporting block (561), and the pressing block (630) is located right above the supporting block (561).

7. The automatic cutting equipment according to claim 6, wherein the pressing mechanism (600) further comprises a lifting table (640), the pressing block (630) is rotatably connected to the lifting table (640), a fourth driving mechanism (620) for driving the pressing block (630) to rotate is arranged on the lifting table (640), and the third driving mechanism (610) is connected to the lifting table (640) and can drive the lifting table (640) to move up and down.

8. The automatic cutting equipment according to claim 7, wherein the fourth driving mechanism (620) is a second air cylinder (621), one end of the second air cylinder (621) is hinged with the lifting table (640), and a second piston rod (622) of the second air cylinder (621) is hinged with the pressing block (630).

9. The automatic cutting apparatus according to claim 8, wherein the lower end of the pressing block (630) is provided with two pressing strips (631) which are distributed at intervals, and the clamping grooves (632) are arranged at both sides of the pressing strips (631).

10. The automatic cutting apparatus of claim 1, further comprising a chute (300), wherein the chute (300) is obliquely disposed at both sides of the support base (560) and below the blade unit (400).