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CN-122007918-A - Hole opening and expanding device for door of electric tricycle

CN122007918ACN 122007918 ACN122007918 ACN 122007918ACN-122007918-A

Abstract

The invention discloses an electric tricycle door perforating and expanding device, which comprises a base, wherein the upper end of the base is fixedly connected with a mounting frame, the outer side of the mounting frame is provided with a clamping mechanism for fixing an electric tricycle door, the upper end of the mounting frame is provided with a moving mechanism for driving a perforating part to move, the lower end of the moving mechanism is provided with a polishing mechanism for perforating and polishing the electric tricycle door, the moving mechanism comprises a third connecting rod, and the upper end of the third connecting rod is provided with a supporting mechanism for preventing a plate from sinking and swelling when the electric tricycle door is perforated.

Inventors

  • CHEN TAO
  • Ma Zhubiao

Assignees

  • 山东北易车业有限公司

Dates

Publication Date
20260512
Application Date
20260211

Claims (10)

  1. 1. The utility model provides an electric tricycle door trompil hole expanding device, includes base (1), its characterized in that, upper end fixedly connected with mounting bracket (2) of base (1), fixture (3) fixed to electric tricycle door are installed in the outside of mounting bracket (2), moving mechanism (4) that drive trompil part and remove are installed to the upper end of mounting bracket (2), grinding mechanism (5) that trompil was polished to electric tricycle door are installed to the lower extreme of moving mechanism (4), moving mechanism (4) include third connecting rod (46), supporting mechanism (6) that prevent panel sunken, swell are installed when electric tricycle door trompil to the upper end of third connecting rod (46).
  2. 2. The electro-tricycle door trompil hole expanding device of claim 1, wherein the clamping mechanism (3) comprises two installation blocks (31) fixedly connected with the installation frame (2), a first motor (32) is installed at one end, far away from the installation blocks (31), of the first motor (32), an output shaft of the first motor is fixedly connected with a shell of a first electric telescopic rod (33) through a coupler, an output shaft of the first electric telescopic rod (33) is fixedly connected with a worm (34) through the coupler, and two symmetrical worm gears (35) are connected to the outer sides of the worm (34) in a meshed mode.
  3. 3. The hole opening and expanding device for the electric tricycle door is characterized in that the inner sides of the two worm wheels (35) are respectively connected with a mounting shell (36) through rotating shafts, the outer sides of the inner worm wheels (35) of the mounting shells (36) are respectively connected with two first connecting rods (37) through rotating shafts, the inner sides of the two first connecting rods (37) are respectively connected with a clamp (39) through rotating shafts, the outer sides of the clamps (39) are respectively connected with a second connecting rod (38) through rotating shafts, and the inner sides of the second connecting rods (38) are respectively connected with the mounting shells (36) through rotating shafts.
  4. 4. The electro-tricycle door trompil hole expanding device of claim 1, wherein the moving mechanism (4) comprises two mounting plates (41) fixedly connected with the mounting frame (2), a second motor (42) is mounted on one side of one mounting plate (41) of the two mounting plates (41), an output shaft of the second motor (42) is fixedly connected with a threaded rod (43), the outer side of the threaded rod (43) is rotationally connected with the two mounting plates (41), a fixing plate on one side of a cylinder (44) is connected with the outer side of the threaded rod (43) in a threaded manner, a first sliding rod (45) is connected with the other side of the cylinder (44) in a sliding manner through the fixing plate, the outer side of the first sliding rod (45) is fixedly connected with the two mounting plates (41) respectively, and a third connecting rod (46) is fixedly connected with the other side of the cylinder (44) through the fixing plate.
  5. 5. The hole opening and expanding device for the electric tricycle door is characterized in that the polishing mechanism (5) comprises a round fixing plate (51) fixedly connected with an output shaft of a cylinder (44), a first sleeve (52) is rotatably connected to the lower end of the round fixing plate (51) through a rotating shaft, at least five assembly grooves are formed in the outer side of the first sleeve (52) in a surrounding mode, a fixing block (53) is fixedly connected to the inner side of the first sleeve (52), a third motor (54) is mounted at the upper end of the fixing block (53), an output shaft of the third motor (54) is fixedly connected with a shell of a second electric telescopic rod (55) through a coupler, one of the two strip-shaped driving plates (56) is fixedly connected to the outer side of the shell of the second electric telescopic rod (55), and the other strip-shaped driving plate (56) of the two strip-shaped driving plates (56) is fixedly connected to the output shaft of the second electric telescopic rod (55).
  6. 6. The hole opening and expanding device for the electric tricycle door is characterized in that a fourth motor (57) is installed at one end, far away from the two strip-shaped driving plates (56), of each strip-shaped driving plate through a fixing plate, an output shaft of the fourth motor (57) is fixedly connected with a first gear (58) through a rotating shaft, the outer side of the first gear (58) is connected with a second gear (59) in a meshed mode, and the inner side of the second gear (59) is connected with the strip-shaped driving plates (56) in a rotating mode.
  7. 7. The hole opening and expanding device for the electric tricycle door is characterized in that at least five limit grooves (510) are uniformly formed in the second gear (59) in an annular distribution mode, each limit groove (510) is internally and slidably connected with a rotating shaft (512), one end of each rotating shaft (512) is fixedly connected with a second sliding rod (511), the outer sides of the second sliding rods (511) are respectively and slidably connected with the inner sides of the strip-shaped driving plates (56), one ends, far away from the second sliding rods (511), of the plurality of groups of second sliding rods (511) are respectively and fixedly connected with cambered surface polishing blocks (513), and the outer sides of the cambered surface polishing blocks (513) are slidably connected with assembly grooves in the outer sides of the first sleeves (52).
  8. 8. The hole opening and expanding device for the door of the electric tricycle is characterized in that the inner sides of second gears (59) close to the lower ends of the two second gears (59) are fixedly connected with second sleeves (514) through rotating shafts, assembly grooves corresponding to the outer sides of the first sleeves (52) are formed in the outer sides of the second sleeves (514) in a surrounding mode, the outer sides of the second sleeves (514) are in sliding connection with the inner sides of the first sleeves (52), and the lower ends of the second sleeves (514) are fixedly connected with drill bits (515).
  9. 9. The hole opening and expanding device for the door of the electric tricycle of claim 1, wherein the supporting mechanism (6) comprises two third electric telescopic rods (61) arranged on the inner sides of third connecting rods (46), shells of the two third electric telescopic rods (61) are fixedly connected with the third connecting rods (46), output shafts of the third electric telescopic rods (61) are fixedly connected with a fixed ring (62) together, the upper end of the fixed ring (62) is wound with a sliding groove, the lower end of the fixed ring (62) is fixedly connected with a toothed ring (63), and the outer sides of the toothed rings (63) are connected with two third gears (64) in a meshed mode.
  10. 10. The hole opening and expanding device for the electric tricycle door is characterized in that inner sides of the two third gears (64) are respectively connected with a sliding frame (65) through rotating shafts in a rotating mode, the outer sides of the sliding frames (65) are in sliding connection with sliding grooves at the upper ends of the fixed rings (62), a fifth motor (66) is installed at the lower ends of the sliding frames (65), an output shaft of the fifth motor (66) is fixedly connected with the third gears (64) through rotating shafts, a fourth electric telescopic rod (67) is installed at the upper ends of the sliding frames (65), a spherical universal joint (68) is hinged to the output shaft of the fourth electric telescopic rod (67), and a supporting base plate (69) is connected to the outer sides of the spherical universal joint (68) in a rotating mode.

Description

Hole opening and expanding device for door of electric tricycle Technical Field The invention relates to the technical field of electric tricycle processing and production, in particular to an electric tricycle door punching and expanding device. Background As an important transportation tool for short-distance transportation and daily traveling, the electric tricycle is mainly made of a thin cold-rolled steel plate or glass fiber reinforced plastic, a plurality of functional holes such as a door lock hole, a hinge hole and a handle hole are required to be formed in the processing process of the vehicle door, and the processing quality of the hole position directly influences the assembly precision of accessories and the use stability of the vehicle door. The hole opening expanding is used as a core process for processing the vehicle door, and the technical problems of easy deformation of thin metal plates, low aperture precision, more burrs on the hole wall and the like are solved at the same time, so that strict requirements are put on the deformation preventing capability, the processing integration level and the suitability of the hole opening expanding device. The patent with publication number CN113618443B discloses a processing platform for thin aluminum plate deformation prevention, a first perforated plate is connected to the processing platform in a sliding way, one end of a second threaded rod is rotatably connected to the second perforated plate, a second threaded hole is formed in the first perforated plate, the other end of the second threaded rod passes through the second threaded hole, the other end of the second threaded rod is fixedly connected to a second handle, one end of a plug rod is fixedly connected to the bottom end of the second perforated plate, and the other end of the plug rod passes through the first perforated plate. According to the invention, the first perforated plate is driven to move by the adjusting mechanism, the first perforated plate drives the second perforated plate to move, so that the second perforated plate is positioned below a thin aluminum plate processing area, the second threaded rod is rotated by the second handle, the second perforated plate moves upwards under the limit of the inserting rod, the upper surface of the second perforated plate is contacted with the thin aluminum plate, the processing area is supported, and the thin aluminum plate is prevented from being processed and deformed. However, the above technical solution has the following disadvantages in the practical application process: The device is only designed for a plane sheet and is rigidly supported, a vehicle door cannot be attached to a bent or arc-shaped curved surface of the vehicle door, the supporting attachment degree is poor, the stress is uneven, the thin sheet metal is still easy to dent and bulge, only a single deformation prevention function is achieved, a perforating, expanding and polishing integrated structure is not needed, multiple procedures and multiple clamping processing are needed, although drilling and polishing combination is realized, a station separation type design is adopted, the vehicle door is poor in secondary clamping positioning precision, hole site eccentricity and aperture ellipse are easily caused, the polishing head is fixed in specification, complex to replace and low in processing efficiency, the supporting mechanism is fixed in position and free of self-adaptive adjustment, different perforating positions and vehicle door curved surfaces cannot be matched, the polishing mechanism is also free of axial telescopic adjustment, different thickness vehicle doors are difficult to adapt, and the problem of incomplete polishing or plate breakage easily occurs. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme is that the hole opening and expanding device for the electric tricycle door comprises a base, wherein the upper end of the base is fixedly connected with a mounting frame, a clamping mechanism for fixing the electric tricycle door is arranged on the outer side of the mounting frame, a moving mechanism for driving a hole opening part to move is arranged at the upper end of the mounting frame, a polishing mechanism for polishing the hole opening of the electric tricycle door is arranged at the lower end of the moving mechanism, the moving mechanism comprises a third connecting rod, and a supporting mechanism for preventing a plate from sinking and swelling is arranged at the upper end of the third connecting rod when the electric tricycle door is opened. Preferably, the fixture comprises two mounting blocks fixedly connected with the mounting frame, the first motor is mounted at one end, away from each other, of the mounting blocks, the output shaft of the first motor is fixedly connected with the shell of the first electric teles