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CN-121670343-B - Screw locking machine for electric vehicle handle

CN121670343BCN 121670343 BCN121670343 BCN 121670343BCN-121670343-B

Abstract

The invention relates to the technical field of auxiliary processing equipment, in particular to a screw locking machine for an electric vehicle handle, which comprises a main machine table, wherein a clamp notch is formed in the top of the main machine table, a pressing mechanism is arranged at the top of the main machine table, a locking electric screwdriver is arranged on the pressing mechanism, the output end of the locking electric screwdriver is fixedly connected with a transmission shaft, the transmission shaft is connected with an anti-slip screw mechanism, the anti-slip screw mechanism is connected with a locking screwdriver head, the air pump is used for conveying air to the inner cavity of an outer sleeve through a pressure supply pipe, an annular shell and a communication groove, and is matched with a sealing ring to form stable air pressure, so that a central frame is pushed to move upwards to enable the inclined surfaces of an inner driving block and an outer driving block to be tightly abutted, the accurate transmission of torque from the central frame to an outer sleeve, a connecting rod and the locking screwdriver head is realized, when the screwing resistance of a screw exceeds a threshold value, the inclined surfaces of the inner driving block and the outer driving block are separated, a pressure release valve is opened, and the central frame falls to cut off torque transmission, automatic torque breaking of overload is realized, and screw sliding is effectively prevented.

Inventors

  • JIN JINGXIN
  • XIE CHAOHUI
  • YANG CHAO

Assignees

  • 常州市常马车业有限公司

Dates

Publication Date
20260512
Application Date
20260210

Claims (7)

  1. 1. A screw locking machine for an electric vehicle handle comprises a main machine table (1) and is characterized in that a clamp notch is formed in the top of the main machine table (1), a pressing mechanism (2) is arranged at the top of the main machine table (1), a locking electric screwdriver (3) is arranged on the pressing mechanism (2), a transmission shaft (8) is fixedly connected to the output end of the locking electric screwdriver (3), the transmission shaft (8) is connected with an anti-slip screw mechanism (4), a locking screwdriver head (5) is connected to the anti-slip screw mechanism (4), the bottom end of the locking screwdriver head (5) is slidably connected to a lower sleeve (6), the lower sleeve (6) is connected with a positive pressure ventilation mechanism (7), a wire feeder (9) is fixed at the bottom end of the lower sleeve (6), the anti-slip screw mechanism (4) comprises an upper support (41) rotatably connected to the transmission shaft (8), the upper support (41) is fixed to the top of an outer sleeve (42), a sealing ring (43) is slidably connected to the output end of the locking electric screwdriver (3), the transmission shaft (8) is connected to the anti-slip screw mechanism (4), the bottom end of the central frame (44) is connected to a six-angle groove (44) at the top end of the transmission shaft (45) through a six-angle groove (8), the bottom end of the transmission block (45) is connected to the inner side wall (45) of the transmission block (45), the outer transmission block (46) is fixed on the inner wall of the outer sleeve (42), the outer sleeve (42) is provided with a pressure supply mechanism (47), the pressure supply mechanism (47) comprises a connecting rod (471) fixedly penetrating through the bottom of the outer sleeve (42), a limiting groove is formed in the top of the connecting rod (471), a limiting rod (472) is slidably connected in the limiting groove, the limiting rod (472) is fixedly arranged at the bottom of the center frame (44), the locking screwdriver head (5) is fixedly arranged at the bottom of the connecting rod (471), the connecting rod (471) is slidably connected with the lower sleeve (6), the side wall of the outer sleeve (42) is uniformly provided with a communication groove (473), the bottom of the outer sleeve (42) is rotatably connected with an annular shell (474), the annular shell (474) is communicated with the inner cavity of the outer sleeve (42) through the communication groove (473), an external branch pipe (475) is arranged on the annular shell (474), a pressure release valve (476) is arranged on the external branch pipe (475), the external branch pipe (475) is connected with one end of the pressure supply pipe (477), and the pressure maintaining position of the external branch pipe (475) is provided with the pressure maintaining valve (478).
  2. 2. The screw locking machine for the electric vehicle handle according to claim 1, wherein the positive pressure ventilation mechanism (7) comprises a mounting frame (71), an air supply shell (72) is fixedly mounted on one side of the mounting frame (71), an air pump (73) is mounted in the air supply shell (72), an air receiving port (74) connected with an external air source is formed in the input end of the air pump (73) penetrating through the air supply shell (72), and a pressure supply pipe (477) and a ventilation pipe (75) are connected to the output end of the air pump (73).
  3. 3. The screw locking machine for the electric vehicle handle according to claim 2, wherein a butt joint shell (76) is arranged at one end of the vent pipe (75), the butt joint shell (76) is fixedly sleeved on the lower sleeve (6), and the lower sleeve (6) is communicated with the vent pipe (75) through a through groove formed in the side wall.
  4. 4. A screw locking machine for an electric vehicle handle according to claim 3, wherein the pressing mechanism (2) comprises support columns (21) symmetrically fixed at the top of the main machine table (1), the top ends of the support columns (21) are fixedly connected to an upper support plate (22), the upper support plate (22) is fixedly connected with the output end of a lower pressing cylinder (23), the lower pressing cylinder (23) is fixed at the bottom of a first support plate (24), the first support plate (24) is slidably connected to the support columns (21), the locking electric batch (3) is fixed on the first support plate (24), and the mounting frame (71) is fixedly connected with the first support plate (24).
  5. 5. The screw locking machine for the electric vehicle handle according to claim 4, wherein a supporting spring (25) is fixed at the bottom of the first support plate (24), the supporting spring (25) is sleeved on the supporting column (21), the bottom end of the supporting spring (25) is fixed on the second support plate (26), and the second support plate (26) is connected to the supporting column (21) in a sliding mode.
  6. 6. The screw locking machine for the electric vehicle handle according to claim 5, wherein one support column (21) is provided with a limiting block (27) for limiting the downward movement of the second support plate (26), the bottom end of the other support column (21) is sleeved with a return spring (28), and the top end of the return spring (28) is fixed on the second support plate (26).
  7. 7. The screw locking machine for the electric vehicle handle according to claim 6, wherein the second support plate (26) is fixedly provided with a fixing frame (29), the lower sleeve (6) fixedly penetrates through the fixing frame (29), the top of the second support plate (26) is provided with a guide rod (20), and the guide rod (20) is in sliding connection with the mounting frame (71).

Description

Screw locking machine for electric vehicle handle Technical Field The invention belongs to the technical field of auxiliary processing equipment, and particularly relates to a screw locking machine for an electric vehicle handle. Background The electric vehicle handle screw locking machine is core automation equipment in the electric vehicle assembly process, and is mainly used for accurately locking and fixing a handle assembly on a handle rod through screws, and is widely applied to the fields of electric vehicle whole vehicle manufacturing, accessory assembly, maintenance and the like by virtue of efficient and accurate locking performance. The existing screw locking machine driving mode controls the start and stop of an electric screwdriver through a single electric control mode, when the screwing resistance of the screw exceeds a threshold value, torque cannot be cut off in time, screw sliding, handle threaded hole sliding and even overload burning of the electric screwdriver are easily caused, meanwhile, instantaneous resistance is directly and rigidly transmitted to the electric screwdriver and the screw of the screw locking machine through hard transmission, no buffer digestion is achieved, the instantaneous impact force often causes screw breakage and internal part loss of the electric screwdriver, and therefore the screw locking machine for the electric vehicle handle needs to be designed. Disclosure of Invention The invention aims to solve the problems and provide the screw locking machine for the electric vehicle handle, which is simple in structure and reasonable in design. The invention realizes the above purpose through the following technical scheme: A screw locking machine for an electric vehicle handle comprises a main machine table, wherein a clamp notch is formed in the top of the main machine table, a pressing mechanism is arranged at the top of the main machine table, a locking electric batch is arranged on the pressing mechanism, the output end of the locking electric batch is fixedly connected with a transmission shaft, the transmission shaft is connected with an anti-slip screw mechanism, a locking batch head is connected to the anti-slip screw mechanism, the bottom end of the locking batch head is slidably connected to a lower sleeve, the lower sleeve is connected with a positive pressure ventilation mechanism, the bottom end of the lower sleeve is fixedly provided with a wire feeder, the anti-slip screw mechanism comprises an upper support rotationally connected to the transmission shaft, the upper support is fixedly arranged at the top of an outer sleeve, a sealing ring is slidably connected to the outer sleeve, the sealing ring is fixedly arranged at the bottom end of a central frame, the central frame is uniformly provided with an inner transmission block on the side wall of the central frame, the top of the inner transmission block is abutted to the bottom of an outer transmission block, the outer transmission block is fixedly arranged on the inner wall of the outer sleeve, and the outer sleeve is provided with the wire feeding mechanism. As a further optimization scheme of the invention, the pressure supply mechanism comprises a connecting rod fixedly penetrating through the bottom of the outer sleeve, a limiting groove is formed in the top of the connecting rod, a limiting rod is connected in the limiting groove in a sliding mode, the limiting rod is fixed at the bottom of the center frame, the locking screwdriver head is fixed at the bottom end of the connecting rod, and the connecting rod is connected with the lower sleeve in a sliding mode. As a further optimization scheme of the invention, the side wall of the outer sleeve is uniformly provided with the communication groove, the bottom of the outer sleeve is rotationally connected with the annular shell, the annular shell is mutually communicated with the inner cavity of the outer sleeve through the communication groove, the annular shell is provided with the external branch pipe, and the external branch pipe is provided with the pressure release valve. As a further optimization scheme of the invention, one end of the pressure supply pipe is connected to the external branch pipe, and a pressure maintaining valve is arranged at the joint of the external branch pipe and the pressure supply pipe. As a further optimization scheme of the invention, the positive pressure ventilation mechanism comprises a mounting frame, one side of the mounting frame is fixedly provided with a gas supply shell, a gas pump is arranged in the gas supply shell, the input end of the gas pump penetrates through the gas supply shell and is provided with a gas receiving port connected with an external gas source, and the output end of the gas pump is connected with a pressure supply pipe and a ventilation pipe. As a further optimization scheme of the invention, one end of the vent pipe is provided with a butt-joint shell, the butt-joint shell is fixe