Double-saw-blade runner cutting device

Abstract

The utility model discloses a double-saw-blade runner cutting device which comprises a machine frame with a cutting space capable of being closed, a tool device and a cutting device are arranged in the cutting space, a clamping mechanism is arranged at the top of the cutting space, and the tool device and the clamping mechanism are matched to be used for clamping and fixing a workpiece. The cutting device comprises a servo motor, a cutting support, a lead screw, a linear guide rail and a double-saw-blade cutting machine, and the lead screw is vertically fixed to the middle of the front side face of the cutting support and driven by the servo motor to rotate. The two linear guide rails are fixed on the two sides of the lead screw in parallel, the double-saw-blade cutting machine is connected with the lead screw and the linear guide rails through the sliding block and the nut, the nut is in threaded connection with the lead screw, the sliding block is arranged on the two linear guide rails in a sliding mode, and the sliding block and the nut are fixedly connected with the double-saw-blade cutting machine. Waste materials are removed in a machining mode, manual work is replaced, the working efficiency is high, the cutting quality is good, and the whole device is compact in structure, safe to use and good in protection.

Description

Technical Field

[0001] The utility model relates to the technical field of cold cutting, in particular to a double saw blade runner cutting device. Background Art

[0002] Die casting runner design is an essential part of manufacturing die castings. Its function is to guide the molten metal to fill the mold cavity smoothly and ensure the flow speed, distribution uniformity and surge of the molten metal during the entire filling process. The runner is not part of the final product, so it needs to be removed after the die casting is taken out.

[0003] The traditional method of removing the flow channel is to remove it manually using files, power tools, and relying on skills and experience. This method has low production efficiency and cannot guarantee product quality. Therefore, designing a cutting device to replace manual labor can effectively improve production efficiency, greatly reduce labor costs, and ensure product quality. Utility Model Content

[0004] In order to achieve the above-mentioned purpose, the utility model provides a double saw blade runner cutting device.

[0005] The technical solution adopted by the utility model is:

[0006] A double-saw blade runner cutting device comprises a frame with a closable cutting space, wherein a tooling device and a cutting device are arranged in the cutting space, a clamping mechanism is arranged on the top of the cutting space, and the tooling device and the clamping mechanism cooperate to clamp and fix the workpiece; the cutting device comprises a servo motor, a cutting bracket, a lead screw, a linear guide rail and a double-saw blade cutting machine, wherein the lead screw is vertically fixed to the middle part of the front side of the cutting bracket and is driven to rotate by the servo motor; two linear guide rails are fixed in parallel on both sides of the lead screw, and the double-saw blade cutting machine is connected to the lead screw and the linear guide rail via a slider and a nut, the nut is threadedly connected to the lead screw, the slider is slidably arranged on the two linear guide rails, and the slider and the nut are fixedly connected to the double-saw blade cutting machine.

[0007] Furthermore, a movable waste collection box is provided below the cutting space to collect the cutting waste.

[0008] Furthermore, the tooling device comprises a tooling fixing frame and a plurality of positioning columns installed on the upper side of the tooling fixing frame. The positioning columns support the workpiece, so that the cutting machine can cut the runner conveniently.

[0009] Furthermore, the clamping mechanism includes a clamping cylinder, which is vertically mounted on the frame, and the cylinder piston rod extends downward to connect the pressing plate, and the lower side of the pressing plate is provided with a pressing block corresponding to the positioning column. The cylinder is used to clamp the workpiece, which is easy to operate and reliable.

[0010] Furthermore, a safety door that can slide upwards and open is provided on one side of the cutting space. The safety door is used for feeding and unloading materials.

[0011] Furthermore, the double saw blade cutting machine comprises two circular saw blades, which are arranged in a vertical plane at intervals to adapt to workpieces with symmetrical structures.

[0012] Furthermore, both circular saw blades are toothed tungsten steel saw blades, which increases the service life of the saw blades.

[0013] Furthermore, a retractable protective cover is provided on the outer side of the lead screw and the linear guide rail, which plays a role of safety protection.

[0014] Beneficial effects of the utility model:

[0015] 1. Use machining to remove waste, replace manual labor, high work efficiency and good cutting quality.

[0016] 2. The whole device has a compact structure, is safe to use and has good protection.

[0017] 3. The servo motor drives the saw blade to move linearly through linear guides and lead screws to cut the workpiece, and the operation is stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The three-dimensional structure of the double saw blade runner cutting device of this application Figure 1 .

[0019] Figure 2 The three-dimensional structure of the double saw blade runner cutting device of this application Figure 2 .

[0020] Figure 3 The three-dimensional structure of the double saw blade runner cutting device of this application Figure 3 .

[0021] Figure 4 This is a three-dimensional structural diagram of the cutting device of the present application. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings and a preferred implementation manner.

[0023] See also Figure 1-Figure 4 The present application provides a double saw blade runner cutting device, including a frame 10, a tooling device 20, a cutting device 30, a clamping mechanism 40 and a waste slag collection box 50.

[0024] The frame 10 is a rectangular frame welded from structural square tubes. A cutting space is provided at the top of the frame 10, and a waste collection space is provided at the bottom. The bottom of the cutting space is connected to the waste collection space. The tooling device 20 and the cutting device 30 are arranged in the cutting space, and the waste slag collection box 50 is arranged in the waste collection space.

[0025] The cutting space is enclosed by a top plate, a safety door 11, a first movable window 12, a second movable window 13 and a side plate 14. The side plate 14 is provided with a mounting hole for mounting a cutting device 30, and the mounting hole is enclosed by a cutting bracket 32 ​​of the cutting device 30. The safety door 11 is opposite to the second movable window 13. The safety door 11 is slidably arranged on two guide rails through rollers. The two guide rails are vertically installed on both sides of the rectangular frame, and the upper ends thereof extend upwardly more than the height of a movable door, so that when feeding, the safety door 11 can slide upward to open the cutting space. The first movable window 12 and the second movable window 13 are both double-opening windows, which are convenient for opening during maintenance. Transparent glass is arranged on the window body to facilitate observation of the cutting status.

[0026] The tooling device 20 is arranged at the bottom middle position of the cutting space through a bracket to support the workpiece. In this embodiment, the tooling device 20 includes a tooling fixture 21 and a plurality of positioning columns 22 installed on the upper side of the tooling fixture. The tooling fixture 21 is a rectangular frame with a top plate and a bottom plate. The positioning columns 22 are stepped cylindrical and fixed to the top plate by screws. The top surface of the positioning columns contacts the workpiece.

[0027] The clamping mechanism 40 includes a clamping cylinder 41 and a pressure plate 42. The clamping cylinder 41 is vertically mounted on the top surface of the frame 10, and the cylinder piston rod extends downward to the closed space to connect the pressure plate 42. In this embodiment, a pressure block 43 corresponding to the positioning column is provided on the lower side of the pressure plate 42. The pressure block 43 is cylindrical and is fixed to the lower side of the pressure plate by screws. The pressure block 43 cooperates with the positioning column 22 to achieve multi-point clamping of the workpiece to ensure clamping stability. The installation position and length of the pressure block 43 and the positioning column 22 can be adjusted according to the shape of the workpiece.

[0028] The cutting device 30 is an independent cutting module, including a servo motor 31, a cutting bracket 32, a screw rod 33, a linear guide rail 34 and a double saw blade cutting machine 35. The cutting bracket 32 ​​is composed of a box-shaped plate and a back plate. The size of the box-shaped plate is adapted to the mounting hole on the side plate 14. The area of ​​the back plate is larger than the cross-sectional area of ​​the box-shaped plate. The back plate is provided with screw holes for connecting mounting screws. The servo motor 31, the screw rod 33, the linear guide rail 34 and the double saw blade cutting machine 35 are all installed on the front side of the box-shaped plate, and the rear side of the box-shaped plate is connected to the back plate. The cutting device 30 is inserted into the cutting space through the mounting hole on the side plate 14, and the back plate is clamped on the outside of the side plate 14. The back plate is fixed to the crossbeam of the frame 10 by screws.

[0029] The waste collecting box 50 comprises a rectangular box body, the upper end of which is open, and a roller is arranged at the bottom of the box body. When the waste material is collected in the box body, it is moved to the outside of the frame 10 by the roller for cleaning.

[0030] In specific implementation, the servo motor 31 is vertically installed at the upper end of the middle part of the front side of the box-shaped plate, and the motor output shaft is connected to the screw rod 33. The two ends of the screw rod are rotatably fixed on the box-shaped plate through the bearing seat; two linear guide rails 34 are symmetrically installed on both sides of the front side of the box-shaped plate, and the screw rod 33 is threadedly connected with a nut, and the two linear guide rails 34 are respectively slidably connected with sliders; the sliders and nuts are fixedly connected to the frame of the double saw blade cutting machine 35. The double saw blade cutting machine 35 is a prior art. In this embodiment, the two circular saw blades 351 of the double saw blade cutting machine 35 are arranged in a vertical plane at intervals, and are driven to rotate by two motors respectively. Both circular saw blades are toothed tungsten steel saw blades. In order to prevent the cut waste from splashing into the screw rod and the linear guide rail, a retractable protective cover 36 is also provided on the outside of the screw rod and the linear guide rail. When the double saw blade cutting machine 35 moves upward, the upper protective cover shrinks and the lower protective cover extends; vice versa. For safe use, the cable of the double saw blade cutting machine 35 is arranged in the drag chain 37.

[0031] The working principle of the utility model is:

[0032] The safety door 11 is opened, the robot clamps the workpiece and places it on the tooling device 20, the clamping cylinder 41 drives the pressure plate to press down and clamp the workpiece; then the safety door 11 descends to close the space; the servo motor 31 is started, driving the screw rod 33 to rotate, and the nut drives the double saw blade cutting machine 35 to move linearly downward along the linear guide rail 34, and the two circular saw blades 351 rotate to cut the workpiece flow channel. The removed waste slag is collected in the waste slag collection box 50.

[0033] The feed speed can be well controlled by the servo motor, and the linear guide runs smoothly and reliably.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention, and these improvements and modifications are also within the protection scope of the present invention.

Claims

1. A double saw blade runner cutting device, characterized in that: The invention comprises a frame (10) having a closable cutting space, wherein a tooling device (20) and a cutting device (30) are arranged in the cutting space, and a clamping mechanism (40) is arranged at the top of the cutting space, wherein the tooling device (20) and the clamping mechanism (40) cooperate to clamp and fix a workpiece; the cutting device (30) comprises a servo motor (31), a cutting bracket (32), a screw rod (33), a linear guide rail (34) and a double saw blade cutting machine (35), wherein the screw rod (33) is vertically fixed to the middle part of the front side of the cutting bracket (32) and driven to rotate by the servo motor (31); two linear guide rails (34) are parallelly fixed to both sides of the screw rod (33), and the double saw blade cutting machine (35) is connected to the screw rod (33) and the linear guide rail (34) through a slider and a nut, wherein the nut is threadedly connected to the screw rod (33), and the slider is slidably arranged on the two linear guide rails (34), and the slider and the nut are fixedly connected to the double saw blade cutting machine (35).

2. A double saw blade runner cutting device according to claim 1, characterized in that: A movable waste slag collection box (50) is provided below the cutting space.

3. A double saw blade runner cutting device according to claim 1 or 2, characterized in that: The tooling device (20) comprises a tooling fixing frame (21) and a plurality of positioning columns (22) mounted on the upper side of the tooling fixing frame.

4. A double saw blade runner cutting device according to claim 3, characterized in that: The clamping mechanism (40) comprises a clamping cylinder (41) which is vertically mounted on a frame, and a cylinder piston rod extends downward to connect a pressing plate (42). A pressing block (43) corresponding to the positioning column is provided on the lower side of the pressing plate.

5. A double saw blade runner cutting device according to claim 1 or 2, characterized in that: A safety door (11) that can be slid open upwards is provided on one side of the cutting space.

6. A double saw blade runner cutting device according to claim 1 or 2, characterized in that: The double saw blade cutting machine (35) comprises two circular saw blades (351), which are arranged at intervals in a vertical plane.

7. A double saw blade runner cutting device according to claim 6, characterized in that: The two circular saw blades (351) are both toothed tungsten steel saw blades.

8. A double saw blade runner cutting device according to claim 1 or 2, characterized in that: The outer sides of the lead screw and the linear guide rail are provided with a retractable protective cover (36).

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