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CN-113199258-B - Automatic polishing device and process for transmission shell

CN113199258BCN 113199258 BCN113199258 BCN 113199258BCN-113199258-B

Abstract

The invention discloses an automatic polishing device and process for a transmission shell, comprising a rotary reciprocating feeding table, a product temporary storage table, a breaking station, a deburring station, a transfer robot, an electrical control cabinet and a manual reciprocating feeding table, wherein a transfer clamping jaw is arranged on an action arm of the transfer robot, the breaking station consists of a tray, a hydraulic cylinder and a trimming machine, the manual reciprocating feeding table is in fit connection with the breaking station, the deburring station consists of a four-axis clamp and a polishing robot, and a polishing hand claw is arranged on a mechanical arm of the polishing robot. The invention uses the transfer robot to grasp the feeding and discharging materials, can finish three actions of punching, trimming and breaking in the working bin of the breaking station, and can finish the three actions in the breaking station at one time, thereby having low cost, high efficiency, stable quality, reliable consistency of products, suitability for batch production mode, and reducing the labor intensity of personnel, improving the quality of the products and ensuring consistent and stable appearance of the products polished by the machine.

Inventors

  • GAO PENG
  • LIU HAICHENG
  • FAN SONGTAO
  • CHEN SHAOXU
  • ZHUANG ZHIHUA

Assignees

  • 天津雄邦压铸有限公司

Dates

Publication Date
20260508
Application Date
20210428

Claims (9)

  1. 1. An automatic transmission housing grinding apparatus, comprising: The automatic polishing machine comprises a rotary reciprocating feeding table (1), a product temporary storage table (2), a transfer robot (3), an electrical control cabinet (5) and a manual reciprocating feeding table (6), wherein a transfer clamping jaw (24) is arranged on an action arm of the transfer robot (3), and the electrical control cabinet (5) comprises the electrical cabinet of the transfer robot (3) and a polishing robot (9); the breaking station (7), the breaking station (7) consists of a tray (20), a hydraulic cylinder (21) and an edge cutter, the tray (20) is arranged above the breaking station (7) through a pneumatic sliding table, a workpiece (13) is arranged on the tray (20), and the manual reciprocating feeding table (6) is in fit connection with the breaking station (7); the deburring station comprises four-axis anchor clamps (8) and grinding robot (9), be provided with on the arm of grinding robot (9) and polish hand claw (18), polish hand claw (18) by electric column axle (19), milling cutter (16), steel brush (14) and pneumatic floating head (15) are constituteed, the number of electric column axle (19) is two, two the orientation of electric column axle (19) is opposite, milling cutter (16) and steel brush (14) are installed respectively on the output of two electric column axle (19).
  2. 2. The automatic transmission housing polishing apparatus according to claim 1, wherein the hydraulic cylinders (21) are operated up and down, and the number of the hydraulic cylinders (21) is two.
  3. 3. The automatic transmission housing polishing device according to claim 1, wherein the carrying clamping jaw (24) consists of a mounting block, a positioning pin (23), clamping jaws (22), a connecting flange (26) and a supporting block (25), the connecting flange (26) is fixedly mounted on one side outer wall of the mounting block, the supporting block (25) and the positioning pin (23) are fixedly mounted on the same side outer wall of the mounting block, the number of the clamping jaws (22) is two, the clamping jaws (22) are arranged on the mounting block, the clamping jaws (22) and the positioning pin (23) are located on the same side of the mounting block, the clamping jaws are in a two-side clamping mode, and the connecting flange (26) is mounted on a moving arm of the carrying robot (3) in a two-side clamping mode.
  4. 4. The automatic grinding device for the transmission shell according to claim 1, wherein the electric column shaft (19) consists of a shell-free motor, a main shaft, a bearing, a main shaft unit shell, a driving module and a cooling device, a rotor of the motor of the electric column shaft (19) is integrated with the main shaft by adopting a press fit method, the main shaft is supported by a front bearing and a rear bearing, a stator of the motor is arranged in the shell of the main shaft unit through a cooling sleeve, the speed change of the main shaft is controlled by the main shaft driving module, the temperature rise in the main shaft unit is limited by the cooling device, a speed measuring and angle measuring displacement sensor is arranged at the rear end of the main shaft, and an inner taper hole and an end face of the front end of the main shaft are used for mounting a cutter.
  5. 5. The automatic transmission housing grinding device according to claim 4, wherein a fixed clamping block (17) is arranged on the outer wall of the electric column shaft (19), and the fixed clamping block (17) is in threaded connection with the grinding claw (18).
  6. 6. The automatic transmission housing polishing device according to claim 1, wherein the four-axis clamp (8) is composed of a servo turntable, a tailstock (10), an a-axis (12) and a plurality of first clamps (11), the first clamps (11) are arranged on the top outer wall of the base, the tailstock (10) and the a-axis (12) are arranged on two sides of the base, and the first clamps (11) are used for clamping a workpiece (13).
  7. 7. The automatic transmission housing polishing device according to claim 6, wherein the first clamp (11) is provided with an aluminum dust receiving guiding protection sheet metal below the first clamp (11) of the oil pressure brake mechanism, and a dust collection opening of the dust collector is movably connected to the protection sheet metal.
  8. 8. Automatic transmission housing grinding device according to claim 1, characterized in that the air inlet of the pneumatic floating head (15) is connected with an air pressure regulating control valve through an air pipe.
  9. 9. The polishing process of a transmission housing automatic polishing apparatus according to claim 1, wherein the step of polishing the transmission housing with the transmission housing automatic polishing apparatus comprises: s1, placing a workpiece (13) pressed by a die casting machine on a manual feeding table (6) by a worker, and automatically moving the workpiece (13) to a specified area; S2, carrying the workpiece (13) onto a tray (20) of the breaking station (7) by a carrying robot (3), and automatically entering a working bin of the breaking station (7) by the tray (20); s3, punching, trimming and breaking the workpiece (13) at a breaking station (7); S4, placing the broken workpiece (13) on a four-axis clamp (8) by a carrying robot (3), automatically clamping the first clamp (11), and fixing the workpiece (13); s5, polishing burrs around the workpiece (13) by using a polishing claw (18) on the polishing robot (9); s6, taking out the polished workpiece (13) by the carrying robot (3), placing the workpiece on the blanking channel (4), and driving the conveying belt to move the workpiece (13) to a specified position by a motor arranged on the blanking channel (4).

Description

Automatic polishing device and process for transmission shell Technical Field The invention relates to the technical field of automobile manufacturing, in particular to an automatic polishing device and process for a transmission shell. Background The transmission housing is a housing structure for mounting a transmission gear and accessories thereof. The main effect of gearbox is the size of change car speed of traveling and the size of moment of torsion on the automobile driving wheel, is the very important part in the car driving, and its material is generally by cast aluminium spare and cast iron spare combination form, because need mutually supporting with other accessories of car, need have stronger smoothness, ensure to break in fast, need carry out a series of processing after the foundry goods that forms to the casting, carry out riser burr cutting to the blank earlier, then carry out burr to it, get rid of profile, unnecessary burr of corner. In the current stage, the factory is mainly polished by workers directly, and because of the complexity of the gearbox shell, the precision is required to be continuously adjusted by the workers, so that the process is very tedious and time-consuming, the processing efficiency and speed are influenced, the construction period is easily delayed, and the market demand cannot be completed. Disclosure of Invention The invention aims to solve the defects in the prior art and provides an automatic grinding device and process for a transmission shell The invention provides an automatic polishing device for a transmission shell, which comprises the following components: the automatic feeding device comprises a rotary reciprocating feeding table, a product temporary storage table, a carrying robot, an electrical control cabinet and a manual reciprocating feeding table, wherein a carrying clamping jaw is arranged on an action arm of the carrying robot, the electrical control cabinet comprises the carrying robot and an electrical cabinet of a polishing robot; The deburring station comprises four-axis clamps and a polishing robot, wherein a polishing paw is arranged on a mechanical arm of the polishing robot and consists of an electric column shaft, a milling cutter, a steel brush and a pneumatic floating head, the number of the electric column shafts is two, the directions of the electric column shafts are opposite, and the milling cutter and the steel brush are respectively arranged at the output ends of the two electric column shafts. As a still further scheme of the invention, the hydraulic oil cylinders move up and down, and the number of the hydraulic oil cylinders is two. As a still further scheme of the invention, the carrying clamping jaw consists of a mounting block, a locating pin, clamping jaws, a connecting flange and a supporting block, wherein the connecting flange is fixedly arranged on the outer wall of one side of the mounting block, the supporting block and the locating pin are fixedly arranged on the outer wall of the same side of the mounting block, the number of the clamping jaws is two, the clamping jaws are arranged on the mounting block, the clamping jaws and the locating pin are positioned on the same side of the mounting block, the clamping jaws are in a two-side holding mode, and the connecting flange is arranged on a moving arm of the carrying robot in a two-side holding mode. The invention further provides a scheme that the electric column shaft comprises a shell-free motor, a main shaft, a bearing, a main shaft unit shell, a driving module and a cooling device, wherein a rotor of the motor of the electric column shaft is integrated with the main shaft by adopting a press fit method, the main shaft is supported by front and rear bearings, a stator of the motor is arranged in the shell of the main shaft unit through a cooling sleeve, the speed change of the main shaft is controlled by the main shaft driving module, the temperature rise in the main shaft unit is limited by the cooling device, a speed measuring and angle measuring displacement sensor is arranged at the rear end of the main shaft, and an inner taper hole and an end face of the front end are used for installing a cutter. As a still further scheme of the invention, the outer wall of the electric column shaft is provided with a fixed clamping block which is in threaded connection with the polishing paw. As a still further scheme of the invention, the four-axis clamp consists of a servo turntable, a tailstock, an A axis and a plurality of first clamps, wherein the first clamps are arranged on the outer wall of the top of the base, the tailstock and the A axis are arranged on two sides of the base, and the first clamps are used for clamping workpieces. As a still further scheme of the invention, the first clamp is provided with an oil pressure braking mechanism, an aluminum scraps receiving guiding protection metal plate is arranged below the first clamp, and a dust collection openin