Automatic trimming and stub bar removing device for metal die castings

Abstract

The invention provides a metal die casting automatic trimming and stub bar removing device which comprises an X-axis moving mechanism, a Y-axis moving mechanism, a working table, a fixing clamping seat and a profiling cutting mechanism, the Y-axis moving mechanism is installed at the moving end of the X-axis moving mechanism, the working table is connected with the moving end of the Y-axis moving mechanism, and the fixing clamping seat is installed at the moving end of the X-axis moving mechanism. Two sliding grooves in the same moving direction as the X-axis moving mechanism are formed in the upper surface of the working table. A standard part is installed in the fixed clamping base corresponding to the reference assembly, then a metal die casting to be machined is installed in the other fixed clamping base, and under the cooperation of the X-axis moving mechanism and the Y-axis moving mechanism and the action of a first spring, the standard part is machined. And in the process that the Y-axis moving mechanism drives the working table to move, the saw blade can grind and cut the metal die casting to be machined according to the outer contour of the standard part.

Description

Technical Field

[0001] The invention relates to the field of mechanical equipment, and in particular to an automatic trimming and head removal device for metal die castings. Background Art

[0002] In the traditional die-casting production process, each time the die-casting machine casts a mold, the casting is usually connected to the nozzle material as a whole, and there will be excess material heads left on each casting. In order to obtain independent casting products, these nozzle materials and material heads need to be removed. At present, this step is mainly completed manually, and the specific process includes: 1. Manually remove the casting blank from the die-casting mold: Workers need to remove the formed casting blank from the die-casting machine; 2. Place it in the waste removal station: Place the casting blank in a special waste removal station; 3. Remove waste: remove waste and material heads from castings by manual material pulling or stamping; However, this traditional method has many problems: 1. High labor intensity: Manual waste removal is labor-intensive and long-term work can easily lead to fatigue, which affects work efficiency and worker health; 2. Low degree of automation: Low degree of automation leads to low production efficiency and cannot meet the needs of large-scale production; 3. Safety hazards: During the operation, workers’ hands are easily injured and safety cannot be guaranteed; The utility model patent with the announcement number CN216226858U discloses a device for automatically trimming and removing the head of metal die castings. The utility model adopts a cutting knife and a polishing disc to respectively realize the cutting and polishing of the head; However, the above patent has at least the following defects: 1. The cutting accuracy is not high and it depends on manual determination of the cutting position; 2. The material head needs to be cut and polished separately, and the processing efficiency is low; 3. It can only be used for flat casting processing, and cannot be used for casting processing with sloped surfaces. Summary of the invention

[0003] 1. Technical issues to be resolved In order to solve the above problems in the prior art, the present invention provides an automatic trimming and head removal device for metal die castings.

[0004] (II) Technical solution In order to achieve the above object, the main technical solutions adopted by the present invention include: An automatic trimming and head removal device for metal die castings, comprising an X-axis moving mechanism, a Y-axis moving mechanism, a workbench, a profile connecting rod, a fixed clamp seat and a profile cutting mechanism; The Y-axis moving mechanism is installed on the moving end of the X-axis moving mechanism; The working table is connected to the moving end of the Y-axis moving mechanism, and two chutes in the same moving direction as the X-axis moving mechanism are provided on the upper surface of the working table; Two free ends of the U-shaped connecting rod are respectively installed in the two chutes, and a first spring is installed in the chutes. One end of the first spring is connected to the U-shaped connecting rod, and the other end of the first spring is connected to the inner wall of the chute; There are two sets of fixed clamp seats, and the two sets of fixed clamp seats are arranged at intervals on the U-shaped connecting rod; The profiling cutting mechanism is arranged on one side of the moving terminal of the X-axis moving mechanism. The profiling cutting mechanism includes a housing, a saw blade, a driving component, a reference component, and a dust suction component; A processing groove corresponding to the fixed clamp seat is recessed on one side of the housing close to the X-axis moving mechanism; The saw blade is located in the processing groove and is arranged opposite to one set of fixed clamp seats. Both ends of the saw blade extend into the housing respectively. The cross-section of the saw blade is an isosceles triangle. The bottom surface of the saw blade is a grinding surface, and both sides of the bottom surface of the saw blade are cutting edges. Both inclined surfaces of the saw blade are circular arc slopes recessed inward; The driving component is connected to the saw blade and is used to drive the saw blade to reciprocate up and down; The reference component is installed in the processing groove and is arranged opposite to the other set of fixed clamp seats. The reference component includes a reference seat, a probe, a rack, a gear, and a transmission component; One end of the reference seat is provided with a pointed corner part, and detection holes are respectively opened on two inclined surfaces of the pointed corner part; The probe is installed in the detection hole. A convex part is arranged on the probe. A limiting groove corresponding to the convex part is opened inside the reference seat. The convex part is slidably installed in the limiting groove. Two sets of second springs are also installed in the limiting groove. The two sets of second springs are respectively arranged on both sides of the convex part, so that the convex part is kept at the middle position of the limiting groove. The tail of the probe extends outward and is fixedly connected to the rack; The gear is meshed between the two racks, and the gear is connected to the saw blade through the transmission component, so that the saw blade and the gear rotate synchronously; The dust suction component is arranged inside the housing, and the dust suction port of the dust suction component is arranged in the processing groove and is arranged corresponding to the saw blade.

[0005] Preferably, the transmission component includes a transmission shaft, a driving wheel, a driven wheel, a bearing seat, and a first connecting rod; One end of the bottom of the transmission shaft is connected to the gear, and one end of the top of the transmission shaft is connected to the driving wheel; The driving wheel is connected to the driven wheel via a synchronous belt; The bearing seats are provided with two, which are respectively mounted at the two ends of the driven wheel and fixed to the inner wall of the housing; Vertical limit strips are arranged on both sides of the first connecting rod; The driven wheel is provided with a limiting hole corresponding to the first connecting rod, the first connecting rod is installed in the limiting hole, and one end of the bottom of the first connecting rod is fixedly connected to the top end of the saw blade.

[0006] Preferably, the driving assembly includes a turntable, a driving rod, a motor, a guide rail and a slider; The guide rails are provided in two groups, respectively located at the upper and lower sides of the saw blade; The slider is slidably mounted in the guide rail, the rod body of the first connecting rod is connected to one of the sliders through a bearing, and the other slider is rotatably connected to one end of the bottom of the saw blade through the second connecting rod; The turntable is rotatably mounted in the outer shell, an eccentric portion of the turntable surface is rotatably connected to one end of the driving rod, and the other end of the driving rod is rotatably connected to one of the sliders.

[0007] Preferably, the sharp corner of the reference seat is arranged between the two probes, and the distance between the two probes is the same as the width of the bottom surface of the saw blade, and the ends of the two probes and the end of the sharp corner of the reference seat are located on the same straight line.

[0008] Preferably, the fixing clamp seat includes a shaped frame, a fixing plate and a screw rod, the fixing plate is arranged in the shaped frame, the screw rod is threadedly connected to the top of the shaped frame, and one end of the bottom of the screw rod is rotatably connected to the fixing plate.

[0009] Preferably, the saw blade is made of diamond, a plurality of cutting edges are arranged at equal intervals on the edge of the saw blade, and diamond grains are embedded in the cutting edges.

[0010] Preferably, the dust collection assembly includes a suction nozzle, a negative pressure pump and a negative pressure pipe; The suction nozzle is arranged in the processing groove and faces the saw blade; One end of the negative pressure pipeline is connected to the suction nozzle, and the other end of the negative pressure pipeline is connected to the negative pressure pump.

[0011] Preferably, the X-axis moving mechanism includes a slide rail, a lead screw, a moving block and a control motor; The slide rails are provided with two and are arranged parallel to each other; The screw rod is arranged between the two guide rails, and one end of the screw rod is connected to the control motor; The moving block is threadedly connected to the screw rod and slidably mounted on the slide rail; The structure of the Y-axis moving mechanism is the same as that of the X-axis moving mechanism.

[0012] (III) Beneficial effects The beneficial effects of the present invention are: 1. During the movement of the workbench driven by the Y-axis moving mechanism, the saw blade can process the metal die-casting to be processed according to the external contour of the standard part, with high processing accuracy; 2. Both sides of the saw blade are cutting edges, which can cut the head of the metal die-casting to be processed. The bottom surface of the saw blade is a grinding surface, which can grind the cutting part of the metal die-casting, thus combining the functions of cutting and grinding. In addition, the arc-shaped slopes on both sides of the saw blade can cooperate with the dust collection component to guide and absorb the metal debris generated during grinding and cutting. 3. The sharp corner of the reference seat in the reference component is used to determine the cutting position of the saw blade. The reference contact area composed of the sharp corner of the reference seat and the probes on both sides is the same as the width of the saw blade. This makes the contact range between the reference component and the standard part and the contact range between the saw blade and the metal die-casting to be processed the same, which can improve the processing accuracy. The probes on both sides of the sharp corner can also be used to determine whether the processing part of the metal die-casting is a slope. If the sharp corner of the reference seat is located on the slope, one of the probes moves downward and the other moves upward. Under the action of the rack, the gear is driven to rotate, and the gear drives the saw blade to deflect synchronously through the transmission member, so that the saw blade corresponds to the slope of the workpiece to be processed, thereby realizing the cutting and grinding of the slope of the workpiece to be processed, so that the present application can have synchronous processing on the plane and the slope of the workpiece, greatly improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an automatic trimming and head removal device for metal die castings; Figure 2 It is a schematic diagram of the internal structure of the profile cutting mechanism; Figure 3 is a schematic diagram of the structure of the drive component; Figure 4 is a schematic diagram of the usage status of the reference component; Figure 5 It is a schematic diagram of the structure of the dust collection component and the transmission part; Figure 6 It is a schematic diagram of the structure of a saw blade.

[0014] Description of reference numerals: 1. X-axis moving mechanism; 2. Y-axis moving mechanism; 3. Workbench; 4. Slide groove; 5. First spring; 6. U-shaped connecting rod; 7. Fixed clamp seat; 8. Profiling cutting mechanism; 81. Outer housing; 811. Processing groove; 82. Saw blade; 83. Driving component; 831. Turntable; 832. Driving rod; 833. Slide block; 834. Second connecting rod; 835. Guide rail; 836. First connecting rod; 84. Reference component; 841. Reference seat; 842. Probe; 843. Protrusion; 844. Second spring; 845. Rack; 846. Gear; 85. Dust suction component; 851. Suction nozzle; 852. Negative pressure pipeline; 853. Negative pressure pump; 86. Transmission part; 861. Transmission shaft; 862. Driving wheel; 863. Synchronous belt; 864. Driven wheel; 865. Bearing seat. Detailed implementation mode

[0015] For better explaining the present invention and facilitating understanding, the present invention will be described in detail below in conjunction with the accompanying drawings through specific implementation modes.

[0016] Please refer to Figures 1 to 6 , the present invention provides an automatic trimming and deheading device for metal die-castings, including an X-axis moving mechanism 1, a Y-axis moving mechanism 2, a workbench 3, a U-shaped connecting rod 6, a fixed clamp seat 7, and a profiling cutting mechanism 8; The Y-axis moving mechanism 2 is installed on the moving end of the X-axis moving mechanism 1; The workbench 3 is connected to the moving end of the Y-axis moving mechanism 2, and two slide grooves 4 in the same moving direction as the X-axis moving mechanism 1 are provided on the upper surface of the workbench 3; The two free ends of the U-shaped connecting rod 6 are respectively installed in the two slide grooves 4, and a first spring 5 is installed in the slide groove 4. One end of the first spring 5 is connected to the U-shaped connecting rod 6, and the other end of the first spring 5 is connected to the inner wall of the slide groove 4; There are two groups of fixed clamp seats 7, and the two groups of fixed clamp seats 7 are arranged at intervals on the U-shaped connecting rod 6; The profiling cutting mechanism 8 is arranged on one side of the moving terminal of the X-axis moving mechanism 1. The profiling cutting mechanism 8 includes an outer housing 81, a saw blade 82, a driving component 83, a reference component 84, and a dust suction component 85; A processing groove 811 corresponding to the fixed clamp seat 7 is recessed on one side of the outer housing 81 close to the X-axis moving mechanism 1; The saw blade 82 is located in the processing groove 811 and is arranged opposite to one set of the fixed clamp seats 7. Both ends of the saw blade 82 extend into the outer shell 81 respectively. The cross section of the saw blade 82 is an isosceles triangle. The bottom surface of the saw blade 82 is a grinding surface, and both sides of the bottom surface of the saw blade 82 are cutting edges. The two inclined surfaces of the saw blade 82 are both arc-shaped slopes concave inward. The driving assembly 83 is connected to the saw blade 82 and is used to drive the saw blade 82 to move up and down; The reference assembly 84 is installed in the processing groove 811 and is arranged opposite to another set of fixed clamp seats 7. The reference assembly 84 includes a reference seat 841, a probe 842, a rack 845, a gear 846 and a transmission member 86; A sharp corner is provided at one end of the reference seat 841, and detection holes are respectively provided on two inclined surfaces of the sharp corner; The probe 842 is installed in the detection hole, and a protrusion 843 is provided on the probe 842. A limiting groove corresponding to the protrusion 843 is opened inside the reference seat 841. The protrusion 843 is slidably installed in the limiting groove. Two groups of second springs 844 are also installed in the limiting groove. The two groups of second springs 844 are respectively arranged on both sides of the protrusion 843, so that the protrusion 843 is kept in the middle position of the limiting groove. The tail of the probe 842 extends outward and is fixedly connected to the rack 845. The gear 846 is meshed and connected between the two racks 845 , and the gear 846 is connected to the saw blade 82 through the transmission member 86 , so that the saw blade 82 and the gear 846 rotate synchronously; The dust collection assembly 85 is disposed inside the outer shell 81, and the dust collection port of the dust collection assembly 85 is disposed in the processing groove 811 and is disposed corresponding to the saw blade 82; When in use, the standard part is installed in the fixed clamp seat 7 corresponding to the reference component 84, and the metal die-casting to be processed is then installed in another fixed clamp seat 7. With the cooperation of the X-axis moving mechanism 1 and the Y-axis moving mechanism 2 and the action of the first spring 5, the workpieces in the two fixed clamp seats 7 on the workbench 3 are kept in continuous contact with the corresponding sharp corners of the reference seat 841 and the saw blade 82 respectively. During the process of the Y-axis moving mechanism 2 driving the workbench 3 to move, the saw blade 82 can grind and cut the metal die-casting to be processed according to the external contour of the standard part.

[0017] During the above-mentioned use, since both sides of the saw blade 82 are provided with cutting edges, the material head of the metal die-casting to be processed can be cut, and the bottom surface of the saw blade 82 is a grinding surface, which can be used to grind the cut part of the metal die-casting, thereby combining the functions of cutting and grinding, and the arc-shaped slopes on both sides of the saw blade 82 can cooperate with the dust collection component 85 to guide and absorb the metal debris generated during the grinding and cutting process.

[0018] During the above-mentioned use, the sharp corner of the reference seat 841 in the reference component 84 is used to determine the cutting position of the saw blade 82, and the reference contact area composed of the sharp corner of the reference seat 841 and the probes 842 on both sides is the same as the width of the saw blade 82, so that the contact range between the reference component 84 and the standard part and the contact range between the saw blade 82 and the metal die-casting to be processed are the same, which can improve the processing accuracy. At the same time, the probes 842 on both sides of the sharp corner can also be used to determine whether the processing part of the metal die-casting is a slope surface. If the sharp corner of the reference seat 841 is located on the slope surface, one of the probes 842 moves downward and the other probe 842 moves upward. Under the action of the rack 845, the driving gear 846 rotates, and the gear 846 drives the saw blade 82 to deflect synchronously through the transmission member 86, so that the saw blade 82 corresponds to the slope surface of the workpiece to be processed, thereby realizing the cutting and grinding of the slope surface of the workpiece to be processed.

[0019] refer to Figure 5 In this embodiment, the transmission member 86 includes a transmission shaft 861, a driving wheel 862, a driven wheel 864, a bearing seat 865 and a first connecting rod 836; One end of the bottom of the transmission shaft 861 is connected to the gear 846, and one end of the top of the transmission shaft 861 is connected to the driving wheel 862; The driving wheel 862 is connected to the driven wheel 864 via a synchronous belt 863; Two bearing seats 865 are provided, which are respectively installed at both ends of the driven wheel 864 and fixed to the inner wall of the outer shell 81; Vertical limit strips are provided on both sides of the first connecting rod 836; A limiting hole corresponding to the first connecting rod 836 is formed on the driven wheel 864. The first connecting rod 836 is installed in the limiting hole, and one end of the bottom of the first connecting rod 836 is fixedly connected to the top end of the saw blade 82. When in use, when the gear 846 rotates, it drives the first connecting rod 836 to rotate through the transmission shaft 861, the driving wheel 862, the synchronous belt 863 and the driven wheel 864. The first connecting rod 836 is connected to the saw blade 82, and enters the synchronous belt 863 to deflect the moving saw blade 82. The vertical limit strips on both sides of the first connecting rod 836 are used to cooperate with the rotation of the driven wheel 864, and do not affect the reciprocating lifting and lowering movement of the first connecting rod 836 in the driven wheel 864.

[0020] refer to Figure 3 In this embodiment, the driving assembly 83 includes a turntable 831, a driving rod 832, a motor, a guide rail 835 and a slider 833; There are two sets of guide rails 835, which are located at the upper and lower sides of the saw blade 82; The slider 833 is slidably mounted in the guide rail 835, the rod body of the first connecting rod 836 is connected to one of the sliders 833 through a bearing, and the other slider 833 is rotatably connected to one end of the bottom of the saw blade 82 through the second connecting rod 834; The turntable 831 is rotatably mounted in the outer shell 81, and the eccentric portion of the surface of the turntable 831 is rotatably connected to one end of the driving rod 832, and the other end of the driving rod 832 is rotatably connected to one of the sliders 833; When in use, the motor drives the turntable 831 to rotate, and the turntable 831 drives the slider 833 to move back and forth up and down through the driving rod 832, thereby driving the saw blade 82 to move back and forth up and down to achieve cutting and grinding.

[0021] In this embodiment, the sharp corner of the reference seat 841 is arranged between the two probes 842, and the spacing between the two probes 842 is the same as the width of the bottom surface of the saw blade 82. The ends of the two probes 842 and the end of the sharp corner of the reference seat 841 are located on the same straight line, which makes the contact range between the reference seat 841 and the standard part the same as the contact range between the saw blade 82 and the workpiece to be processed, thereby improving the processing accuracy of the workpiece.

[0022] In this embodiment, the fixing clamp seat 7 includes a shaped frame, a fixing plate and a screw rod, the fixing plate is arranged in the shaped frame, the screw rod is threadedly connected to the top of the shaped frame, and one end of the bottom of the screw rod is rotatably connected to the fixing plate; When in use, the fixing plate is lowered by tightening the screw, thereby fixing the workpiece in the molding frame.

[0023] In this embodiment, the saw blade 82 is made of diamond, and a plurality of cutting edges are arranged at equal intervals on the edge of the saw blade 82, and diamond grains are embedded in the cutting edges.

[0024] In this embodiment, the dust collection assembly 85 includes a suction nozzle 851, a negative pressure pump 853 and a negative pressure pipe 852; The suction nozzle 851 is disposed in the processing groove 811 and faces the saw blade 82; One end of the negative pressure pipe 852 is connected to the suction nozzle 851, and the other end of the negative pressure pipe 852 is connected to the negative pressure pump 853; When in use, the negative pressure pump 853 absorbs metal debris generated during the grinding and cutting process of the saw blade 82 through the suction nozzle 851.

[0025] In this embodiment, the X-axis moving mechanism 1 includes a slide rail, a lead screw, a moving block and a control motor; There are two slide rails, which are arranged parallel to each other; The screw rod is arranged between the two guide rails 835, and one end of the screw rod is connected to the control motor; The moving block is threadedly connected to the lead screw and slidably mounted on the slide rail; The structure of the Y-axis moving mechanism 2 is the same as that of the X-axis moving mechanism 1 .

[0026] The working principle of the present invention is as follows: The standard part is installed in the fixed clamp seat 7 corresponding to the reference component 84, and the metal die-casting to be processed is then installed in another fixed clamp seat 7. With the cooperation of the X-axis moving mechanism 1 and the Y-axis moving mechanism 2 and the action of the first spring 5, the workpieces in the two fixed clamp seats 7 on the workbench 3 are kept in continuous contact with the corresponding sharp corners of the reference seat 841 and the saw blade 82 respectively. During the process of the Y-axis moving mechanism 2 driving the workbench 3 to move, the saw blade 82 can grind and cut the metal die-casting to be processed according to the external contour of the standard part.

[0027] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A device for automatically trimming and removing material from metal die castings, characterized in that: It includes an X-axis moving mechanism, a Y-axis moving mechanism, a working table, a U-shaped connecting rod, a fixed clamp seat, and a profiling cutting mechanism; The Y-axis moving mechanism is installed on the moving end of the X-axis moving mechanism; The working table is connected to the moving end of the Y-axis moving mechanism, and two sliding grooves in the same moving direction as the X-axis moving mechanism are provided on the upper surface of the working table; The two free ends of the U-shaped connecting rod are respectively installed in the two sliding grooves, and a first spring is installed in the sliding grooves. One end of the first spring is connected to the U-shaped connecting rod, and the other end of the first spring is connected to the inner wall of the sliding groove; There are two groups of the fixed clamp seats, and the two groups of fixed clamp seats are arranged at intervals on the U-shaped connecting rod; The profiling cutting mechanism is arranged on one side of the moving terminal of the X-axis moving mechanism. The profiling cutting mechanism includes a housing, a saw blade, a driving component, a reference component, and a dust suction component; A processing groove corresponding to the fixed clamp seat is recessed on one side of the housing close to the X-axis moving mechanism; The saw blade is located in the processing groove and is arranged opposite to one group of fixed clamp seats. The two ends of the saw blade respectively extend into the housing. The cross-section of the saw blade is an isosceles triangle. The bottom surface of the saw blade is a polishing surface, and both sides of the bottom surface of the saw blade are cutting edges. Both inclined surfaces of the saw blade are circular arc slopes recessed inward; The driving component is connected to the saw blade and is used to drive the saw blade to reciprocate up and down; The reference component is installed in the processing groove and is arranged opposite to the other group of fixed clamp seats. The reference component includes a reference seat, a probe, a rack, a gear, and a transmission member; A pointed corner portion is provided at one end of the reference seat, and detection holes are respectively provided on the two inclined surfaces of the pointed corner portion; The probe is installed in the detection hole. A protrusion is provided on the probe. A limiting groove corresponding to the protrusion is provided inside the reference seat. The protrusion is slidably installed in the limiting groove. Two groups of second springs are also installed in the limiting groove. The two groups of second springs are respectively arranged on both sides of the protrusion, so that the protrusion is kept at the middle position of the limiting groove. The tail of the probe extends outward and is fixedly connected to the rack; The gear is meshed between the two racks, and the gear is connected to the saw blade through the transmission member, so that the saw blade rotates synchronously with the gear; The dust suction component is arranged inside the housing, and the dust suction port of the dust suction component is arranged in the processing groove and is arranged corresponding to the saw blade; 2. The automatic trimming and head removal device for metal die castings according to claim 1, characterized in that: The transmission member includes a transmission shaft, a driving wheel, a driven wheel, a bearing seat, and a first connecting rod; One end at the bottom of the transmission shaft is connected to the gear, and one end at the top of the transmission shaft is connected to the driving wheel; The driving wheel is connected to the driven wheel through a synchronous belt; There are two bearing seats, which are respectively installed at both ends of the driven wheel and fixed on the inner wall of the housing; Vertical limiting strips are provided on both sides of the first connecting rod; A limiting hole corresponding to the first connecting rod is provided on the driven wheel. The first connecting rod is installed in the limiting hole, and one end at the bottom of the first connecting rod is fixedly connected to the top end of the saw blade.

3. The automatic trimming and head removal device for metal die castings according to claim 2, characterized in that: The driving assembly includes a turntable, a driving rod, a motor, a guide rail and a slider; The guide rails are provided in two groups, respectively located at the upper and lower sides of the saw blade; The slider is slidably mounted in the guide rail, the rod body of the first connecting rod is connected to one of the sliders through a bearing, and the other slider is rotatably connected to one end of the bottom of the saw blade through the second connecting rod; The turntable is rotatably mounted in the outer shell, an eccentric portion of the turntable surface is rotatably connected to one end of the driving rod, and the other end of the driving rod is rotatably connected to one of the sliders.

4. The automatic trimming and head removal device for metal die castings according to claim 1, characterized in that: The sharp corner of the reference seat is arranged between the two probes, and the distance between the two probes is the same as the width of the bottom surface of the saw blade. The ends of the two probes and the end of the sharp corner of the reference seat are located on the same straight line.

5. The automatic trimming and head removal device for metal die castings according to claim 1, characterized in that: The fixing clamp seat includes a profile frame, a fixing plate and a screw rod, wherein the fixing plate is arranged in the profile frame, the screw rod is threadedly connected to the top of the profile frame, and one end of the bottom of the screw rod is rotatably connected to the fixing plate.

6. The automatic trimming and head removal device for metal die castings according to claim 1, characterized in that: The saw blade is made of diamond, and a plurality of cutting edges are arranged at equal intervals on the edge of the saw blade, wherein diamond grains are embedded in the cutting edges.

7. The automatic trimming and head removal device for metal die castings according to claim 1, characterized in that: The dust collection assembly includes a suction nozzle, a negative pressure pump and a negative pressure pipeline; The suction nozzle is arranged in the processing groove and faces the saw blade; One end of the negative pressure pipeline is connected to the suction nozzle, and the other end of the negative pressure pipeline is connected to the negative pressure pump.

8. The automatic trimming and head removal device for metal die castings according to claim 1, characterized in that: The X-axis moving mechanism includes a slide rail, a lead screw, a moving block and a control motor; The slide rails are provided with two and are arranged parallel to each other; The screw rod is arranged between the two guide rails, and one end of the screw rod is connected to the control motor; The moving block is threadedly connected to the screw rod and slidably mounted on the slide rail; The structure of the Y-axis moving mechanism is the same as that of the X-axis moving mechanism.

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