Automatic milling production line for aluminum castings

Abstract

The utility model relates to an automatic milling production line for aluminum castings. The automatic milling production line comprises a feeding mechanism, two milling mechanisms, a grabbing mechanism and a discharging mechanism, the two milling mechanisms are oppositely arranged on the two sides of the grabbing mechanism and located between the feeding mechanism and the discharging mechanism. The milling mechanism comprises a rack, a milling executing mechanism, a material clamping mechanism and a connecting frame; the milling execution mechanism comprises a connecting piece and a milling cutter; the material clamping mechanism comprises a material placing plate, the material placing plate is provided with material placing grooves, the number of the material placing grooves is N, and N is larger than or equal to 1; the grabbing mechanism comprises a mechanical arm and grabbing clamps, and the number of the grabbing clamps is 2N; the discharging mechanism comprises a conveying belt, an air drying frame and a ventilation pipe. The milling machine has the advantages that the two opposite milling mechanisms are arranged to synchronously perform milling treatment, and are matched with a mechanical arm to alternately feed and discharge, so that the loading and discharging efficiency is greatly improved, and the requirements of a rocker arm bracket batch automatic processing production line are met.

Description

Technical Field

[0001] The utility model relates to the field of aluminum casting processing, in particular to an automatic milling production line for aluminum castings. Background Art

[0002] In the production line of automotive engine rocker brackets, according to process requirements, the connection grooves of the aluminum castings of the rocker brackets need to be milled flat. In the automated batch production line, the rocker brackets need to be grabbed one by one and placed on the milling equipment for processing, and then taken out from the milling device and collected uniformly. The efficiency of the above production line is low. If a robotic arm is added to the production line in order to increase production capacity, so that each station uses the robotic arm to grab the material and complete the loading and unloading, the production line cost will increase, and due to the space limitation of the production line, the installation of multiple robotic arms will be affected.

[0003] Therefore, the online milling production line for engine rocker arm brackets has the problem of low operating efficiency. Utility Model Content

[0004] The utility model aims to provide an automatic milling production line for aluminum castings, which can improve the production capacity of workpiece processing.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides an automatic milling production line for aluminum castings, including a feeding mechanism, two milling mechanisms, a material grabbing mechanism, and a material discharging mechanism;

[0006] The two milling mechanisms are arranged oppositely on both sides of the material grabbing mechanism, and the two milling mechanisms are located between the feeding mechanism and the discharging mechanism;

[0007] The milling mechanism comprises a frame, a milling actuator, a clamping mechanism, and a connecting frame. The frame is provided with a material discharge window. The milling actuator and the clamping mechanism are both located in the frame. The milling actuator is connected to the top of the clamping mechanism through the connecting frame.

[0008] The milling actuator comprises a connecting member and a milling cutter, wherein the milling cutter is located below the connecting member, and the connecting frame is provided with a lifting mechanism, and the connecting member is connected to the lifting mechanism;

[0009] The clamping mechanism comprises a material placing plate, the material placing plate is provided with a material placing groove, and the number of the material placing grooves is N, where N≥1;

[0010] The material grabbing mechanism includes a mechanical arm and a grabbing clamp, and the number of the grabbing clamps is 2N;

[0011] The discharging mechanism comprises a conveyor belt, an air drying rack, and a ventilation duct. The air drying rack is connected to a plurality of the ventilation ducts, and the ventilation ducts are located above the conveyor belt.

[0012] Preferably, the number of the material placing troughs is 2, and the number of the grabbing clamps is 4.

[0013] As a further improvement of the utility model, the connecting frame is provided with a guide rail assembly, and the milling actuator is connected to the connecting frame via the guide rail assembly.

[0014] As a further improvement of the utility model, the material clamping mechanism also includes a material clamping cylinder, a stopper, and a material transfer motor. The material clamping cylinder and the stopper are respectively located on both sides of the material placement trough, and the material transfer motor is connected to the material placement plate.

[0015] As a further improvement of the utility model, the material grabbing mechanism also includes a material grabbing base, the material grabbing base is connected to the mechanical arm, and a pulley and a suction cup are provided at the bottom of the material grabbing base.

[0016] As a further improvement of the utility model, the ventilation pipe is arranged obliquely above the conveyor belt.

[0017] In the automatic milling production line for aluminum castings of the utility model, a feeding mechanism continuously discharges materials online, a robotic arm sequentially clamps workpieces from the feeding mechanism according to program settings, and places them in corresponding milling mechanisms, a milling cutter is lowered by a lifting mechanism, and the milling cutter mills the processed surface of the workpiece; the robotic arm transfers each processed workpiece to a conveyor belt, and the workpieces on the conveyor belt pass under a ventilation duct to air dry the cutting fluid remaining on the surface of the workpiece.

[0018] Compared with the existing technology, the utility model aluminum casting automatic milling production line has the following advantages:

[0019] By setting up two relative milling mechanisms to perform milling processing synchronously, cooperating with the robotic arm, feeding and unloading are performed alternately, which greatly improves the loading and unloading efficiency and meets the needs of the rocker arm bracket batch automatic processing production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the automatic milling production line for aluminum castings of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of aluminum casting;

[0022] Figure 3 It is a schematic diagram of the milling mechanism structure;

[0023] Figure 4 It is a schematic diagram of the milling mechanism structure;

[0024] Figure 5 It is a schematic diagram of the clamping mechanism structure;

[0025] Figure 6This is a schematic diagram of the material grabbing mechanism structure;

[0026] Figure 7 It is a schematic diagram of the gripping structure;

[0027] Figure 8 It is a schematic diagram of the discharge mechanism structure. DETAILED DESCRIPTION

[0028] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0029] like Figure 1 As shown, the aluminum casting automatic milling production line of the utility model includes a feeding mechanism 1, two milling mechanisms 2, a material grabbing mechanism 3, and a material discharging mechanism 4;

[0030] The two milling mechanisms 2 are arranged on both sides of the material grabbing mechanism 3, and the two milling mechanisms 2 are located between the feeding mechanism 1 and the discharging mechanism 4;

[0031] like Figure 3-5 As shown, the milling mechanism 2 includes a frame 21, a milling actuator 22, a clamping mechanism 23, and a connecting frame 24. The frame 21 is provided with a material discharge window 21, the milling actuator 22 and the clamping mechanism 23 are both located in the frame 21, and the milling actuator 22 is connected to the upper part of the clamping mechanism 23 through the connecting frame 24;

[0032] The milling actuator 22 includes a connecting member 221 and a milling cutter 222. The milling cutter 222 is located below the connecting member 221. The connecting frame 24 is provided with a lifting mechanism 25. The connecting member 221 is connected to the lifting mechanism 25.

[0033] The material clamping mechanism 23 includes a material placing plate 231, and the material placing plate 231 is provided with a material placing groove 232, and the number of the material placing grooves 232 is N, where N≥1;

[0034] The material grabbing mechanism 3 includes a mechanical arm 32 and a grabbing clamp 33, and the number of the grabbing clamps 33 is 2N;

[0035] The discharging mechanism 4 includes a conveyor belt 41 , an air drying rack 42 , and ventilation ducts 43 . The air drying rack 42 is connected to a plurality of ventilation ducts 43 , and the ventilation ducts 43 are located above the conveyor belt 41 .

[0036] In the automatic milling production line for aluminum castings of the utility model, the feeding mechanism 1 continuously discharges materials online, the robot arm 32 sequentially clamps a workpiece 5 from the feeding mechanism 1 according to the program setting, and places it in the corresponding milling mechanism 2, the milling cutter 222 is lowered by the lifting mechanism 25, and the milling cutter 222 mills the processed surface of the workpiece 5; the robot arm 32 transfers each processed workpiece 5 to the conveyor belt 41, and the workpiece 5 on the conveyor belt 41 passes under the ventilation pipe 43 to air dry the cutting fluid remaining on the surface of the workpiece 5.

[0037] The robot arm 32 is an automatic material clamping robot arm of model XG10B02-1350 produced by Ningbo Bakewell Intelligent Technology Co., Ltd., which can clamp, transport and discharge materials according to the instructions of the preset program;

[0038] Preferably, the number of material placing grooves 232 is 2, and the number of gripping clamps 33 is 4.

[0039] The robot arm 32 grabs two workpieces 5 from the feeding mechanism 1, extends into the discharge window 21 of one of the milling mechanisms 2, and places the workpieces 5 in the material placement trough 232. The milling cutter 222 is lowered by the lifting mechanism 25, and the milling cutter 222 mills the processed surface of the workpiece 5. When the robot arm 32 finishes discharging, it immediately returns to the feeding mechanism 1, re-clamps the two workpieces 5, and places the workpieces 5 in the milling mechanism 2 on the other side. The robot arm 32 returns to the feeding mechanism 1 again, clamps the two workpieces 5, and at this time, two of the four grippers 33 are The robot arm 32 extends into the first milling mechanism 2, and first takes out the workpiece 5 that has been milled from the feeding trough 232 through the two unloaded grippers 33, and then immediately puts the other two loaded grippers 33 into the feeding trough 232, and the milling mechanism 2 continues the milling operation. At this time, the robot arm 32 moves the two processed workpieces 5 to the conveyor belt 41, and then returns to the feeding mechanism 1 again, and takes and discharges the other milling mechanism 2 in turn, and the two milling mechanisms 2 are operated in a cycle.

[0040] The connecting frame 24 is provided with a guide rail assembly 241, and the milling actuator 22 is connected to the connecting frame 24 via the guide rail assembly 241. The lifting mechanism 25 can be an existing motor screw assembly, and the motor drives the screw to reciprocate, so that the connecting member 221 connected thereto is lifted and lowered, and the guide rail assembly 241 can be an existing guide rail and slider assembly, and the connecting member 221 is connected to the guide rail via the slider, and the connecting member 221 is lifted and lowered along the same axis along the guide rail, thereby improving the position accuracy of the milling cutter 222 during repeated lifting and lowering, enhancing the milling effect, and also preventing the milling cutter 222 from hitting the cutter after being offset, thereby damaging the cutter.

[0041] The clamping mechanism 23 also includes a clamping cylinder 233, a stopper 234, and a material transfer motor 235. The clamping cylinder 233 and the stopper 234 are respectively located on both sides of the material placement slot 232, and the material transfer motor 235 is connected to the material placement plate 231. The workpiece 5 in the slot is clamped between the clamping cylinder 233 and the stopper 234 to prevent the workpiece 5 from shaking during operation. Figure 2 As shown, the multiple milling planes 51 of the engine rocker arm bracket workpiece 5 are located on different surfaces of the workpiece 5. The material transfer motor 235 can rotate the workpiece on the material placement plate 231, and turn the various milling planes 51 of the workpiece 5 upward in turn, so that the milling cutter 222 can facilitate the milling of multiple surfaces of the workpiece 5.

[0042] The material grabbing mechanism 3 also includes a material grabbing base 31, which is connected to a mechanical arm 32. A pulley 34 and a suction cup 35 are provided at the bottom of the material grabbing base 31. The material grabbing base 31 can be moved by the pulley 34, and the position of the material grabbing mechanism 3 can be quickly adjusted according to the material picking and placing positions. The suction cup 35 can fix the material grabbing base 31 on the ground to prevent the mechanical arm 32 from shaking or deviating when the material grabbing mechanism 3 is in operation, thereby affecting the accuracy of loading and unloading.

[0043] The ventilation duct 43 is obliquely arranged above the conveyor belt 41. Compared with the direct blowing structure, each workpiece 5 is exposed to wind for a longer time and has a better air-drying effect.

[0044] The preferred embodiments of the present invention have been specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all within the scope defined by the claims of this application.

Claims

1. Aluminum casting automatic milling production line, characterized by: It includes a feeding mechanism, two milling mechanisms, a material grabbing mechanism, and a material discharging mechanism; The two milling mechanisms are arranged oppositely on both sides of the material grabbing mechanism, and the two milling mechanisms are located between the feeding mechanism and the discharging mechanism; The milling mechanism comprises a frame, a milling actuator, a clamping mechanism, and a connecting frame. The frame is provided with a material discharge window. The milling actuator and the clamping mechanism are both located in the frame. The milling actuator is connected to the top of the clamping mechanism through the connecting frame. The milling actuator comprises a connecting member and a milling cutter, wherein the milling cutter is located below the connecting member, and the connecting frame is provided with a lifting mechanism, and the connecting member is connected to the lifting mechanism; The clamping mechanism comprises a material placing plate, the material placing plate is provided with a material placing groove, and the number of the material placing grooves is N, where N≥1; The material grabbing mechanism includes a mechanical arm and a grabbing clamp, and the number of the grabbing clamps is 2N; The discharging mechanism comprises a conveyor belt, an air drying rack, and a ventilation duct. The air drying rack is connected to a plurality of the ventilation ducts, and the ventilation ducts are located above the conveyor belt.

2. The automatic milling production line for aluminum castings according to claim 1, characterized in that: The number of the material placing troughs is 2, and the number of the grabbing clamps is 4.

3. The automatic milling production line for aluminum castings according to claim 1, characterized in that: The connecting frame is provided with a guide rail assembly, and the milling actuator is connected to the connecting frame through the guide rail assembly.

4. The automatic milling production line for aluminum castings according to claim 1, characterized in that: The material clamping mechanism also includes a material clamping cylinder, a stopper, and a material transfer motor. The material clamping cylinder and the stopper are respectively located on both sides of the material placement trough, and the material transfer motor is connected to the material placement plate.

5. The automatic milling production line for aluminum castings according to claim 1, characterized in that: The material grabbing mechanism also includes a material grabbing base, which is connected to the mechanical arm, and a pulley and a suction cup are provided at the bottom of the material grabbing base.

6. The automatic milling production line for aluminum castings according to claim 1, characterized in that: The ventilation pipe is arranged obliquely above the conveyor belt.

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