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CN-224233114-U - Crimping pliers

CN224233114UCN 224233114 UCN224233114 UCN 224233114UCN-224233114-U

Abstract

The utility model belongs to the technical field of crimping pliers, and particularly relates to crimping pliers, which comprise a mounting seat, wherein two pliers arms are rotatably arranged on the mounting seat, clamping parts are arranged on the pliers arms, a driving motor and a control assembly are further arranged on the mounting seat, the output end of the driving motor is connected with a reduction gear set and an output shaft, the driving motor can drive the output shaft to rotate through the reduction gear set, the output shaft is in threaded connection with the driving seat, the driving seat is in sliding connection with the mounting seat, two transmission rods are rotatably arranged on the driving seat and are respectively and rotatably connected with the pliers arms, the mounting seat, the pliers arms, the driving seat and the transmission rods are combined to form a four-rod mechanism, the driving motor can control the output shaft to rotate and enable the driving seat to relatively slide on the mounting seat, and the mounting seat can drive the pliers arms and the mounting seat to relatively rotate through the transmission rods, so that the clamping parts on the two pliers arms are close to or far away from each other.

Inventors

  • HU WENYONG

Assignees

  • 浙江古月胡工贸有限公司

Dates

Publication Date
20260512
Application Date
20250428

Claims (10)

  1. 1. The crimping pliers comprise a mounting seat (1), wherein two pliers arms (2) are rotatably arranged on the mounting seat (1), clamping parts are arranged on the pliers arms (2), and the crimping pliers are characterized in that a driving motor (3) and a control assembly (6) for controlling the driving motor (3) are further arranged on the mounting seat (1), a reduction gear set (31) and an output shaft (32) are connected to the output end of the driving motor (3), the driving motor (3) can drive the output shaft (32) to rotate through the reduction gear set (31), a driving seat (4) is connected to the output shaft (32) in a threaded manner, the driving seat (4) is slidably connected with the mounting seat (1), two transmission rods (5) are rotatably connected to the pliers arms (2) respectively, and the mounting seat (1), the pliers arms (2), the driving seat (4) and the transmission rods are combined to form a four-bar mechanism; The driving motor (3) can control the output shaft (32) to rotate and enable the driving seat (4) to slide relatively on the mounting seat (1), and the mounting seat (1) can drive the clamp arms (2) to rotate relatively with the mounting seat (1) through the transmission rod (5), so that clamping parts on the two clamp arms (2) are close to or far away from each other.
  2. 2. The crimping pliers according to claim 1, wherein the pliers arms (2) comprise swing arms (21) rotatably connected with the mounting base (1), a first clamping piece (22) and a second clamping piece (23) for clamping objects are detachably arranged on the swing arms (21) on the two pliers arms (2), positioning protrusions (221) are arranged on the first clamping piece (22) and the second clamping piece (23), and positioning grooves (211) matched with the positioning protrusions (221) are formed in the two pliers arms (2).
  3. 3. A pair of crimping pliers according to claim 2, characterized in that the first clamping member (22) is provided with two sets of crimping slots (222), each set of crimping slots (222) comprises crimping slots (222) with different specifications, a spacing slot (223) is arranged between the two sets of crimping slots (222), the crimping slots (222) with the same specification in the two sets of crimping slots (222) are oppositely arranged, the second clamping member (23) is provided with two sets of crimping protrusions (231) respectively matched with the two sets of crimping slots (222), a spacing slot (223) is also arranged between the two sets of crimping protrusions (231), and each set of crimping slots (222) comprises crimping protrusions (231) respectively matched with the crimping slots (222) with different specifications.
  4. 4. A crimping pliers according to claim 1, 2 or 3 is characterized in that a first elastic piece (63) used for driving a control assembly (6) to reset is arranged on the mounting seat (1), a connecting part is arranged on the control assembly (6), a movable groove (18) movably connected with the connecting part is arranged on the mounting seat (1), the connecting part can slide relatively and rotate relatively in the movable groove (18), a starting switch (8) and a scram switch (81) are arranged on the mounting seat (1), the driving control assembly (6) slides along the movable groove (18) and triggers the starting switch (8), the driving motor (3) can start and drive clamping parts on the two pliers arms (2) to be mutually closed, the control assembly (6) is loosened, the first elastic piece (63) can drive the control assembly (6) to reset along the length direction of the movable groove (18), the control assembly (6) can trigger the scram switch (81), and the driving motor (3) drives the clamping parts on the two pliers arms (2) to be far away from each other.
  5. 5. A pair of crimping pliers according to claim 4, wherein the driving seat (4) is provided with a triggering part, the mounting seat (1) is provided with a first limit switch (82) and a second limit switch (83), the driving motor (3) controls the driving seat (4) to move to a limit position, and the triggering part can trigger the first limit switch (82) or the second limit switch (83) and control the driving motor (3) to stop or reverse.
  6. 6. A pair of crimping pliers according to claim 5, wherein the driving seat (4) comprises a first driving part (41) in threaded connection with the output shaft (32) and a second driving part (42) in rotary connection with the transmission rod (5), the first driving part (41) and the second driving part (42) are respectively in sliding connection with the mounting seat (1), a second elastic part (43) is arranged on the mounting seat (1), the second elastic part (43) can drive the second driving part (42) to be connected and matched with the first driving part (41), the driving motor (3) can drive the second driving part (42) to move through the first driving part (41), and the control assembly (6) can directly drive the second driving part (42) to slide and enable clamping parts on the two pliers arms (2) to be close to each other.
  7. 7. A pair of crimping pliers according to claim 6, wherein the control assembly (6) comprises a deflector rod (62) and a driving rod (61) communicated with the movable groove (18), the driving member can slide along the movable groove (18) and trigger the starting switch (8), the deflector rod (62) is rotatably arranged on the mounting seat (1), and the driving rod (61) can drive the deflector rod (62) to rotate and drive the second driving member (42) to slide.
  8. 8. A crimping tool according to claim 6 or 7, wherein the triggering part comprises a first triggering part (414) and a second triggering part (423) arranged on the first driving part (41) and the second driving part (42), respectively, the first triggering part (414) and the second triggering part (423) being used for triggering the first limit switch (82) and the second limit switch (83), respectively.
  9. 9. A crimping tool as claimed in claim 6 or 7, wherein the mounting base (1) is provided with a lubrication base (11), the lubrication base (11) is provided with a sliding cavity (111) in sliding connection with the first driving member (41), the sliding cavity (111) is provided with lubricating oil or lubricating grease, the first driving member (41) is provided with a threaded hole (412) in threaded connection with the output shaft (32), and the threaded hole (412) is communicated with the sliding cavity (111).
  10. 10. A crimping tool as claimed in claim 1, wherein the reduction gear set (31) is a planetary gear set.

Description

Crimping pliers Technical Field The utility model belongs to the technical field of crimping pliers, and particularly relates to a crimping pliers. Background The crimping pliers are necessary tools for conducting wire connection crimping in the foundation construction and line maintenance of a line foundation in the power industry. Most of the commercially available crimping pliers are manually driven, but the crimping pliers are easy to rub the palm of a user when in use and inconvenient to use for a long time, and some of the commercially available automatic crimping pliers are driven by a hydraulic device, such as an electric hydraulic tool disclosed in Chinese patent application No. 202322535029.7, and comprise a driving device, a power device, a working head and a connecting structure, wherein the driving device is installed at the front end of the driving device and is used for transmitting power to the power device through the connecting structure, the working head is installed at the front end of the power device and is used for crimping or shearing operation, the connecting structure is provided with an output shaft, the end part of the connecting structure is provided with a torsion transmission part in a protruding mode, the rear end of an eccentric shaft in the power device is provided with a positioning groove, the bottom of the positioning groove is provided with a limiting groove, and when the power device is installed at the front end of the driving device, the output shaft is inserted into the positioning groove, and the torsion transmission part of the coaxial line is inserted into the limiting groove. The whole volume of the structure is reduced, the structure is convenient to use, but the hydraulic structure has high maintenance cost, the problems of leakage and the like are easy to occur, and the service life of the crimping pliers is influenced. Disclosure of Invention In order to overcome the defects in the prior art, the utility model aims to provide the crimping pliers which are simple in structure, convenient for a user to use and long in service life. The purpose of the utility model is realized in the following way: The crimping pliers comprise a mounting seat, two pliers arms are rotatably arranged on the mounting seat, clamping parts are arranged on the pliers arms, a driving motor and a control assembly for controlling the driving motor are further arranged on the mounting seat, the output end of the driving motor is connected with a reduction gear set and an output shaft, the driving motor can drive the output shaft to rotate through the reduction gear set, the output shaft is in threaded connection with the driving seat, the driving seat is in sliding connection with the mounting seat, two transmission rods are rotatably arranged on the driving seat and are respectively connected with the pliers arms, and the mounting seat, the pliers arms, the driving seat and the transmission rods are combined to form a four-rod mechanism; The driving motor can control the output shaft to rotate and enable the driving seat to slide relatively on the mounting seat, and the mounting seat can drive the clamp arms and the mounting seat to rotate relatively through the transmission rod, so that clamping parts on the two clamp arms are mutually close or far away. The utility model is further arranged that the clamp arms comprise swing arms which are rotationally connected with the mounting seat, a first clamping piece and a second clamping piece which are used for clamping objects are detachably arranged on the swing arms on the two clamp arms respectively, positioning bulges are arranged on the first clamping piece and the second clamping piece, and positioning grooves which are matched with the positioning bulges are arranged on the two clamp arms. The utility model is further characterized in that two groups of pressure welding grooves are arranged on the first clamping piece, each group of pressure welding grooves comprises a plurality of pressure welding grooves with different specifications, a spacing groove is arranged between the two groups of pressure welding grooves, the pressure welding grooves with the same specification in the two groups of pressure welding grooves are oppositely arranged, two groups of pressure welding protrusions matched with the two groups of pressure welding grooves respectively are arranged on the second clamping piece, a spacing groove is also arranged between the two groups of pressure welding protrusions, and each group of pressure welding grooves comprises pressure welding protrusions matched with the pressure welding grooves with different specifications respectively. The utility model further provides that a first elastic piece for driving the control assembly to reset is arranged on the mounting seat, a connecting part is arranged on the control assembly, a movable groove which is movably connected with the connecting part is arranged on the mounting se