CN-224209231-U - Wire threading locking mechanism for automatic electrode replacement tube for electric spark perforation

Abstract

The utility model discloses an electric spark perforation automatic electrode tube replacement threading locking mechanism which comprises a locking nozzle compression spring, a rotating shaft bearing mounting seat, a pin shaft fixing ring and a locking nozzle pressing sleeve, wherein the left side and the right side of the rotating shaft bearing mounting seat are respectively connected with a guide rod air cylinder mounting seat and a guide rod air cylinder, an air cylinder connecting plate is arranged on the lower side of the rotating shaft bearing mounting seat, a copper tube rotating shaft is arranged on the top of the air cylinder connecting plate in a penetrating manner through a bearing, the top end of the copper tube rotating shaft extends to the upper side of the rotating shaft bearing mounting seat, the bottom end of the copper tube rotating shaft is connected with a rotary lifting sliding bearing, a locking nozzle lifting sleeve is sleeved outside the rotary lifting sliding bearing, and a pin shaft fixing ring is arranged in the locking nozzle lifting sleeve. According to the threading locking mechanism, the copper pipe is locked by adopting the cooperation of the two springs and the power cylinder, and the threading thimble is arranged above the water stop plug, so that the thinner copper pipe can be driven to pass through the water stop plug, and the normal operation of equipment is guaranteed.

Inventors

• GUO YUFANG

Assignees

• 郴州市钜盟数控机床有限公司

Dates

Publication Date

20260508

Application Date

20250526

Claims (4)

1. 1. The utility model provides an automatic electrode tube threading locking mechanism of electric spark perforation, which is characterized in that the automatic electrode tube threading locking mechanism comprises a locking nozzle compression spring (1) and a rotating shaft bearing mounting seat (6), a pin shaft fixing ring (17) and a locking nozzle pressing sleeve (2), a guide rod cylinder mounting seat (7) and a guide rod cylinder (10) are respectively connected at the left side and the right side of the rotating shaft bearing mounting seat (6), a cylinder connecting plate (4) is arranged at the issuing of the rotating shaft bearing mounting seat (6), a copper pipe rotating shaft (5) is penetrated through a bearing at the top of the cylinder connecting plate (4), the top end of the copper pipe rotating shaft (5) extends to the upper side of the rotating shaft bearing mounting seat (6), the bottom end of the copper pipe rotating shaft (5) is connected with a rotary lifting sliding bearing (9), a locking nozzle connecting shaft (16) is arranged below the pin shaft fixing ring (17), a second compression spring (20) is sleeved outside the pin shaft (18), the top end and the bottom end of the second compression spring (20) are respectively connected to the top of the pin shaft fixing ring (17) and the top of the locking nozzle connecting shaft (16), the locking nozzle connecting shaft (16) is provided with a locking nozzle connecting block (13) and the locking nozzle connecting sleeve (13), a first compression spring (12) is connected between the lock nozzle clamping block (11) and the lock nozzle (13).
2. 2. The wire threading and locking mechanism of the automatic electrode replacement tube for electric spark perforation according to claim 1, wherein a locking nozzle lifting sleeve (8) is sleeved outside the rotary lifting sliding bearing (9), a pin shaft fixing ring (17) is arranged in the locking nozzle lifting sleeve (8), and two pin shafts (18) are connected to the bottom of the pin shaft fixing ring (17).
3. 3. The automatic electrode tube threading locking mechanism for electric spark perforation according to claim 2, wherein a locking nozzle spring seat (19) is sleeved outside the rotating shaft connecting shaft (14), and a water stop plug (3) is arranged in the locking nozzle spring seat (19).
4. 4. The automatic electrode tube threading and locking mechanism for electric spark perforation according to claim 3, wherein a locking nozzle pressing sleeve (2) is arranged below the locking nozzle spring seat (19), and the top end and the bottom end of the locking nozzle compression spring (1) are respectively connected to the top of the locking nozzle pressing sleeve (2) and the bottom of the locking nozzle spring seat (19).

Description

Wire threading locking mechanism for automatic electrode replacement tube for electric spark perforation Technical Field The utility model relates to the technical field of automatic electric spark perforation equipment, in particular to a wire threading locking mechanism of an automatic electrode replacement tube for electric spark perforation. Background The electric spark perforating machine is an electric spark machine tool for machining holes with the size smaller than 5mm by using an electric spark machining principle. The copper pipe is used for processing small and medium-sized stamping dies, and is characterized in that the stamping dies are not limited by the hardness of metal materials, the die plates can be quenched firstly and then subjected to machining by using a hole pattern required by the machine, so that the quality is ensured, the service life is prolonged, a mouth locking mechanism is required in the structure of the stamping dies for locking copper pipes, the diameters of the holes required to be punched are smaller and smaller to meet the existing structural requirements, the diameters of copper pipes are smaller and smaller relative to the diameters of the copper pipes, the copper pipes are required to pass through a plurality of parts in the running process of equipment, a water stop plug is required to pass through, only one hole in the middle of the water stop plug can pass through, the whole water stop plug belongs to a sealing piece compacter, and the situation that the copper pipes cannot pass through the water stop plug is possibly caused under the condition that the copper pipes are smaller in diameter and softer. Disclosure of utility model The utility model aims to at least solve one of the technical problems in the prior art, and provides a threading locking mechanism of an automatic electrode tube replacement for electric spark perforation, which is arranged to realize that a thinner copper tube (0.2-1.0 mm) can pass through a water stop plug. In order to achieve the purpose, the automatic electrode tube threading and locking mechanism for electric spark perforation comprises a locking nozzle compression spring, a rotating shaft bearing mounting seat, a pin shaft fixing ring and a locking nozzle compression sleeve, wherein the left side and the right side of the rotating shaft bearing mounting seat are respectively connected with a guide rod air cylinder mounting seat and a guide rod air cylinder, an air cylinder connecting plate is arranged on the issuing of the rotating shaft bearing mounting seat, a copper tube rotating shaft is arranged on the top of the air cylinder connecting plate in a penetrating manner through a bearing, the top end of the copper tube rotating shaft extends to the upper side of the rotating shaft bearing mounting seat, and a rotary lifting sliding bearing is connected to the bottom end of the copper tube rotating shaft. According to the wire threading locking mechanism of the automatic electrode replacement tube for electric spark perforation, the rotary lifting sliding bearing is externally sleeved with the locking nozzle lifting sleeve, the locking nozzle lifting sleeve is internally provided with the pin shaft fixing ring, and the bottom of the pin shaft fixing ring is connected with two pin shafts. According to the wire threading and locking mechanism of the automatic electrode replacement tube for electric spark perforation, a lock nozzle connecting shaft is arranged below the pin shaft fixing ring, a second compression spring is sleeved outside the pin shaft, and the top end and the bottom end of the second compression spring are respectively connected to the top of the pin shaft fixing ring and the top of the lock nozzle connecting shaft. According to the automatic electrode tube replacement threading locking mechanism for the electric spark perforation, a rotating shaft connecting shaft is arranged below the locking nozzle connecting shaft, and the top of the rotating shaft connecting shaft is connected with a threading thimble. According to the automatic electrode tube threading locking mechanism for electric spark perforation, a locking nozzle spring seat is sleeved outside the rotating shaft connecting shaft, and a water stop plug is arranged in the locking nozzle spring seat. According to the automatic electrode tube threading locking mechanism for electric spark perforation, a locking nozzle pressing sleeve is arranged below the locking nozzle spring seat, and the top end and the bottom end of the locking nozzle compression spring are respectively connected to the top of the locking nozzle pressing sleeve and the bottom of the locking nozzle spring seat. According to the wire threading and locking mechanism of the automatic electrode exchange tube for electric spark perforation, a locking nozzle is sleeved in the locking nozzle pressing sleeve, a locking nozzle clamping block is arranged on the right side of the locking nozzle, and a