CN-115625386-B - Numerical control machine tool for preparing high-precision graphite screw

Abstract

A digit control machine tool for preparing high accuracy graphite screw relates to graphite screw rod preparation facilities field, including transfer mechanism, feed mechanism and automatic grinding machanism, transfer mechanism includes the transfer wheel that uses motor drive, feed mechanism including receive the pan feeding end of graphite stick and with the graphite stick to the delivery fixation end that automatic grinding machanism sent out, delivery fixation end is including sending out solid fixed ring lip that can open and shut, automatic grinding machanism including can to the delivery fixation end is close to or keep away from the workstation of motion, be equipped with on the workstation and can be in send out gu fixed ring lip horizontal left and right directions reciprocating motion's car stick device, car stick device includes positioning arm, grinding arm is keeping away from positioning arm one side is equipped with connects excellent mechanism, connect excellent mechanism to include and connect excellent portion and collecting portion. The invention has high automation degree and can finish mechanical rod taking.

Inventors

• ZHOU ZHIQIANG
• LU BIN

Assignees

• 浙江华熔科技有限公司

Dates

Publication Date

20260505

Application Date

20220630

Claims (2)

1. 1. The numerical control machine tool for preparing the high-precision graphite screw rod comprises a transfer mechanism (1), a feeding mechanism (2) and an automatic polishing mechanism (3), and is characterized in that the transfer mechanism (1) comprises a transfer wheel (5) driven by a motor (4), the feeding mechanism (2) comprises a feeding end (6) for receiving a graphite rod and a sending-out fixed end (7) for sending the graphite rod to the automatic polishing mechanism (3), the sending-out fixed end (7) comprises a sending-out fixed ring lip (8) capable of opening and closing, the automatic polishing mechanism (3) comprises a workbench (9) capable of moving towards or away from the sending-out fixed end (7), a bar turning device (14) capable of reciprocating in the horizontal left-right direction of the sending-out fixed ring lip (8) is arranged on the workbench (9), the bar turning device (14) comprises a positioning arm (10) and a polishing arm (11), the polishing arm (11) is provided with a bar receiving mechanism (12) on one side far away from the positioning arm (10), and the bar receiving mechanism (12) comprises a bar receiving part (15) and a bar collecting part (15); the collecting part comprises a plate (16) which is axially connected with the rod connecting part (15), and the plate (16) moves along with the turning rod device (14) to do circular movement around a connecting shaft (17); the lower end of the plate (16) is connected with the workbench (9) through a shaft connecting rod (18), the upper end of the shaft connecting rod (18) is connected with the plate (16) in a shaft way, and the lower end of the shaft connecting rod (18) is connected with the workbench (9) in a shaft way; the rod connecting part (15) is provided with an inclined bulge (19) close to the plate (16), and when the plate (16) is in a falling collector rod state, the end part of the plate (16) is connected with the inclined bulge (19); The collecting part further comprises a collector bar box (21) arranged in a direction far away from the plate (16), the collector bar box (21) comprises a collector bar drawer (13), a collector bar plate (22) is arranged on the collector bar drawer (13), the collector bar plate (22) is obliquely arranged, the upper end of the collector bar plate (22) is contacted with a buffer rotary bent plate (23), and the buffer rotary bent plate (23) is axially connected to the inner wall of the collector bar box (21); the collector bar box (21) is provided with a first proximity switch (24), and when the buffer rotary bending plate (23) moves anticlockwise and upwards around the shaft and the shortest distance from the lowest end of the buffer rotary bending plate (23) to the falling rod plate (22) is equal to the diameter of a graphite rod, the buffer rotary bending plate (23) collides with the first proximity switch (24); guide grooves (25) are symmetrically formed in the two side walls of the collector bar drawer (13), the guide grooves (25) are respectively connected with the two ends of the movable baffle (26) in an inserting mode, magnets are arranged on the back side of the movable baffle (26), and Hall switches are arranged on the backboard of the collector bar drawer (13) corresponding to the magnets; The positioning arm (10) is detachably connected with a positioning plate (27) through a bolt, and an inclined chamfering tool bit (29) is arranged at the end part of the positioning plate (27); When the buffer rotary bent plate (23) collides with the first proximity switch (24), the first proximity switch (24) is triggered, after the first proximity switch (24) is triggered, the workbench (9) is controlled to move and return to the direction of the positioning arm (10), namely, after the processed graphite rod is collected, the processed graphite rod is returned continuously to the positioning position, and when the positioning position is reached, the positioning plate (27) on the positioning arm (10) automatically positions the graphite plate penetrating out of the fixed ring lip (8).
2. 2. The numerical control machine tool for preparing the high-precision graphite screw rod according to claim 1, wherein a shock absorption layer is arranged on the inner wall of the collector bar drawer (13).

Description

Numerical control machine tool for preparing high-precision graphite screw Technical Field The invention relates to the field of graphite threaded rod preparation equipment, in particular to a numerical control machine tool for preparing a high-precision graphite screw rod. Background The graphite boat is an accessory in a polysilicon ingot furnace in the photovoltaic industry, and is one of important elements for manufacturing semiconductors. The processing of graphite boat piece firstly needs to cut the graphite block to obtain a graphite slice, then the surface of the cut graphite slice is engraved with grooves, then the graphite gasket is installed in the gasket hole of the graphite slice by manpower, and a plurality of graphite boat pieces are connected through the graphite threaded rod to finally form the graphite boat. At least, the existing graphite screw lathe is required to be fed and taken manually in the existing process, and due to the fact that a polishing grooving process is designed in the process, turning tools are involved, safety accidents are prone to occurring in the material taking process of workers, and in order to reduce personal safety accidents in production, a numerical control machine tool with high automation degree is required, and mechanical bar taking can be achieved. Disclosure of Invention The invention provides a numerical control machine tool for preparing a high-precision graphite screw rod, which has high automation degree and can finish mechanical rod taking. The technical aim of the invention is achieved through the following technical scheme that the numerical control machine tool for preparing the high-precision graphite screw comprises a transfer mechanism, a feeding mechanism and an automatic polishing mechanism, wherein the transfer mechanism comprises a transfer wheel driven by a motor, the feeding mechanism comprises a feeding end for receiving a graphite rod and a sending-out fixed end for sending the graphite rod to the automatic polishing mechanism, the sending-out fixed end comprises a sending-out fixed ring lip capable of opening and closing, the automatic polishing mechanism comprises a workbench capable of moving towards or away from the sending-out fixed end, the workbench is provided with a bar turning device capable of reciprocating in the horizontal left-right direction of the sending-out fixed ring lip, the bar turning device comprises a positioning arm and a polishing arm, one side of the polishing arm away from the positioning arm is provided with a bar receiving mechanism, and the bar receiving mechanism comprises a bar receiving part and a collecting part. Preferably, the collecting portion comprises a plate pivotally connected to the bar receiving portion, the plate following the movement of the bar device to move circumferentially about the connecting shaft. Preferably, the lower end of the plate is connected with the workbench through a shaft connecting rod, the upper end of the shaft connecting rod is connected with the plate in a shaft mode, and the lower end of the shaft connecting rod is connected with the workbench in a shaft mode. Preferably, the rod connecting part is provided with an inclined bulge near the plate, and when the plate is in a falling collector rod state, the end part of the plate is connected with the inclined bulge. Preferably, the collecting part further comprises a collector bar box arranged in a direction away from the plate, the collector bar box comprises a collector bar drawer, a collector bar plate is arranged on the collector bar drawer, the collector bar plate is obliquely arranged, the upper end of the collector bar plate is contacted with a buffering rotary bending plate, and the buffering rotary bending plate is axially connected to the inner wall of the collector bar box. Preferably, a proximity switch is arranged on the collector bar box, and when the buffer rotary bending plate moves anticlockwise and upwards around the shaft, and the shortest distance from the lowest end of the buffer rotary bending plate to the rod falling plate is equal to the diameter of the graphite rod, the buffer rotary bending plate collides with the proximity switch. Preferably, guide grooves are symmetrically formed in two side walls of the collector bar drawer, the guide grooves are respectively connected with two ends of the movable baffle in an inserting mode, magnets are arranged on the back side of the movable baffle, and Hall switches are arranged on the back plate of the collector bar drawer corresponding to the magnets. Preferably, a shock absorption layer is arranged on the inner wall of the collector bar drawer. Preferably, the positioning arm is detachably connected with the positioning plate through a bolt, and the end part of the positioning plate is provided with an inclined chamfering tool bit. In summary, the invention has the following beneficial effects. 1. The automatic feeding is realized to motor drive's t