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CN-122008024-A - Chamfering and grinding device for automobile parts

CN122008024ACN 122008024 ACN122008024 ACN 122008024ACN-122008024-A

Abstract

The invention relates to the technical field of grinding devices, in particular to an automobile part chamfering and grinding device. The device comprises a frame, a carrier is arranged on the frame in a lifting manner, the device further comprises an impact frame which is connected to the carrier in a sliding manner, three first springs are arranged between the carrier and the impact frame, a reciprocating shaft, a unidirectional shaft and a grinding shaft frame are connected to the impact frame in a rotating manner, the reciprocating shaft, the unidirectional shaft and the grinding shaft frame are connected through a first synchronous belt transmission manner, an outer rotating shaft is coaxially arranged in the grinding shaft frame in a rotating manner, two symmetrically arranged grinding units are arranged at the bottom of the grinding shaft frame, and the grinding units comprise an angle fixing frame and a wheel shaft. The invention has the beneficial effects that the problem that the traditional grinding device can only rotate unidirectionally and lacks a grinding mode switching mechanism is solved by integrating the power switching unit and the angle adjusting unit, and the free switching of two modes of rough grinding and finish grinding on the same equipment is realized.

Inventors

  • ZHANG LIANGLIANG

Assignees

  • 天津杰斯特科技有限公司

Dates

Publication Date
20260512
Application Date
20260403

Claims (10)

  1. 1. The utility model provides an automobile parts chamfer grinding device, includes frame (1), installs carrier (2) on it liftable, its characterized in that still includes: The impact frame (3) is connected to the carrier (2) in a sliding manner, three first springs (301) are arranged between the two first springs, the impact frame (3) is rotationally connected with a reciprocating shaft (303), a unidirectional shaft (304) and a grinding shaft frame (306), the reciprocating shaft (303), the unidirectional shaft (304) and the grinding shaft frame (306) are in transmission connection through a first synchronous belt, an outer rotating shaft (307) is coaxially installed in the grinding shaft frame (306) in a rotating manner, and two symmetrically arranged grinding units are installed at the bottom of the outer rotating shaft; The grinding unit comprises an angle fixing frame (4) and a wheel shaft (401), wherein two symmetrically arranged hinge bushings are arranged on the angle fixing frame (4), the two hinge bushings are hinged with a grinding shaft frame (306), the wheel shaft (401) is rotationally connected with the hinge bushings, the wheel shaft (401) is in transmission connection with an external rotating shaft (307), two second eccentric wheels (402) are arranged on the wheel shaft (401), a grinding strip (403) is connected onto the angle fixing frame (4) in a sliding manner, a second spring (404) is arranged between the two grinding strip and the wheel shaft, two driven rollers (405) are rotationally connected onto the grinding strip (403), and the two driven rollers (405) are respectively abutted against the two second eccentric wheels (402); The angle adjusting unit is configured to synchronously change the included angle between the two fixed angle frames (4) and the impact frame (3); A power switching unit configured to: switching the grinding shaft bracket (306) to rotate unidirectionally or reciprocally; when the grinding shaft bracket (306) rotates unidirectionally, the external rotation shaft (307) and the grinding shaft bracket (306) are driven to synchronously rotate; when the grinding shaft frame (306) rotates reciprocally, the impact frame (3) is driven to vibrate up and down, and the external rotation shaft (307) and the grinding shaft frame (306) are driven to rotate asynchronously.
  2. 2. The chamfering and grinding device for automobile parts according to claim 1, wherein a ball screw lifting mechanism (101) which is vertically arranged is arranged on the frame (1), the ball screw lifting mechanism (101) is in transmission connection with the carrier (2), the carrier (2) is in sliding connection with the frame (1), and a singlechip (102) is fixedly arranged on the upper portion of the frame (1).
  3. 3. The chamfering grinding device for automobile parts according to claim 1, wherein a differential shaft (302) is rotatably connected to the bottom of the grinding shaft bracket (306), first bevel gears are mounted on the outer rotating shaft (307) and the differential shaft (302), the two first bevel gears are meshed in an orthogonal manner, a second synchronous belt is connected to the differential shaft (302) in a transmission manner, and the two wheel shafts (401) are connected with the second synchronous belt in a transmission manner.
  4. 4. The chamfering grinding device for automobile parts according to claim 1, wherein the angle adjusting unit comprises a lifting rotary sleeve (5) sleeved on the grinding shaft frame (306), an angle adjusting push rod (501) fixedly arranged on the impact frame (3) and an angle adjusting push frame (502) rotatably sleeved on the lifting rotary sleeve (5), the bottom end of the angle adjusting push rod (501) is fixedly connected with the angle adjusting push frame (502), and connecting rods (503) are hinged between the lifting rotary sleeve (5) and the two fixed angle frames (4).
  5. 5. The chamfering grinding device for automobile parts according to claim 1, wherein the power switching unit comprises a power sliding frame (6) which is connected on the carrier (2) in a sliding manner, a switching push rod (601) is installed between the power sliding frame (6) and the carrier (2), a double-head motor (602) is fixedly installed on the power sliding frame (6) and is rotationally connected with a clutch shaft (603) and a first eccentric wheel (605), a transmission guide wheel (604) is installed at one output shaft end of the double-head motor (602), a second bevel gear is installed on each output shaft end and the clutch shaft (603), two second bevel gears are in orthogonal engagement, a follower roller (305) is rotationally installed on the impact frame (3), the first eccentric wheel (605) is in butt joint with the follower roller (305), a third bevel gear is installed on the clutch shaft (603), two third bevel gears are in orthogonal engagement with each other output shaft end of the double-head motor (602) and the first eccentric wheel (605), two driving shafts (202), two driving shafts (203) are connected with the driving shafts (202) and the driving shafts (203) are connected with the driving shafts (203) in a one-way, and the driving shafts (202) are connected with the driving shafts (203) in a one-way, two driven shafts (206) are in transmission connection with a third synchronous belt, one-way prismatic shafts (203) are in transmission connection with one-way shafts (304), the reciprocating prismatic shafts (204) are in transmission connection with the reciprocating shafts (303), driven bevel gears which are in adaptive engagement with the power bevel gears are arranged at the top ends of the inner mandrel (205), the inner mandrel (205) are in transmission connection with the outer rotary shafts (307), incomplete gears (208) are arranged on the two driven shafts (206), and the reciprocating gears (201) are arranged on the reciprocating prismatic shafts (204), and the two incomplete gears (208) are alternately in meshed connection with the reciprocating gears (201).
  6. 6. The chamfering grinding apparatus for automobile parts according to claim 5, characterized in that the axis of the switching push rod (601) is perpendicular to the axis of the driving shaft (202) and parallel to the axes of the first eccentric (605), the follower roller (305) and the clutch shaft (603), and the wheel width of the first eccentric (605) is 1.1 times the length of the follower roller (305).
  7. 7. The chamfering grinding device for automobile parts according to claim 5, wherein two driven guide wheels (207) are respectively arranged on the left side and the right side of a transmission guide wheel (604), knurled transmission lines are respectively arranged on the transmission guide wheel (604) and the driven guide wheels (207), two incomplete gears (208) are respectively arranged on two sides of a reciprocating gear (201), the central angle corresponding to an effective meshing tooth segment on the incomplete gears (208) is 120 degrees, and the installation phase difference of the effective meshing tooth segments on the two incomplete gears (208) is 180 degrees.
  8. 8. The chamfering grinding device for automobile parts according to claim 5, wherein a first coupling groove with an opening at the bottom end and slidably connected with the unidirectional shaft (304) is formed in the unidirectional shaft (203), a second coupling groove with an opening at the bottom end and slidably connected with the reciprocating shaft (204) is formed in the reciprocating shaft (303), a third coupling groove slidably connected with the inner shaft (205) is formed in the top of the outer rotating shaft (307), and cross sections of the unidirectional shaft (304), the reciprocating shaft (303), the inner shaft (205), the first coupling groove, the second coupling groove and the third coupling groove are all regular hexagons.
  9. 9. The chamfering grinding device for automobile parts according to claim 1, further comprising a cooling liquid storage tank (7) fixedly mounted on the carrier (2), wherein a pump body is mounted on the inner top of the cooling liquid storage tank (7), a metal corrugated spray pipe (701) is mounted at a liquid outlet port of the pump body, a dirt collecting tank (103) with an open top is mounted at the lower part of the rack (1), a processing pallet (104) is mounted on the dirt collecting tank (103), and an electric clamp (8) is mounted on the rack (1) and adjacent to the processing pallet (104).
  10. 10. The chamfering grinding device for automobile parts according to claim 9, wherein the electric clamp (8) comprises a bidirectional screw rod rotatably connected to the frame (1) and a clamping motor fixedly mounted on the frame (1), an output shaft end of the clamping motor is fixedly connected with the bidirectional screw rod, a left-handed thread section and a right-handed thread section are symmetrically arranged on the bidirectional screw rod, clamps are connected to the left-handed thread section and the right-handed thread section in a transmission manner, and the two clamps are slidably connected with the frame (1).

Description

Chamfering and grinding device for automobile parts Technical Field The invention relates to the technical field of grinding devices, in particular to an automobile part chamfering and grinding device. Background The utility model provides a grinding device as the important equipment in the machining field, the wide application is in the surface treatment and the chamfer processing of work pieces such as pipe class part, car spare part, along with the manufacturing is to the continuous improvement of machining precision, efficiency and degree of automation's requirement, grinding device's structural design and control mode are also evolving constantly, among the prior art, the patent document of publication No. CN107214574B discloses a pipe class part arc surface automatic grinding device, it is fixed the work piece through the three-jaw chuck, the pneumatic cylinder promotes the support horizontal slip, motor drive gear system drives grinding wheel revolution and rotation, realize the automatic grinding to the outer arc surface of metal pipe, the device can control two grinding wheels and carry out automatic quick grinding to the outer arc surface of metal pipe in step, and improve grinding efficiency, but its structural design has following technical problem: Firstly, the driving mode is single, only unidirectional rotation of the grinding wheel can be realized, a switching mechanism of a grinding mode is lacked, and different requirements on grinding efficiency and precision cannot be adaptively adjusted according to different stages of rough grinding and fine grinding; Based on the above, the invention provides an automobile part chamfering and grinding device to solve the problems in the prior art. Disclosure of Invention Aiming at the technical problems in the prior art, the invention provides the chamfering grinding device for the automobile parts, which solves the problems that the traditional device can only realize single-direction rotary grinding, lacks a switching mechanism for a grinding mode, is difficult to adapt to the different requirements of grinding efficiency and precision in different processing stages, has fixed positions of grinding wheels, cannot be adjusted according to the change of the chamfering angle of a workpiece, and limits the processing capability of the chamfering grinding device for parts with different specifications and different chamfering angles. The technical scheme for solving the technical problems is that the chamfering and grinding device for the automobile parts comprises a frame, a carrier is arranged on the frame in a lifting manner, and the chamfering and grinding device further comprises: The impact frame is connected to the carrier in a sliding manner, three first springs are arranged between the impact frame and the carrier, the impact frame is rotationally connected with a reciprocating shaft, a unidirectional shaft and a grinding shaft frame, the reciprocating shaft, the unidirectional shaft and the grinding shaft frame are in transmission connection through a first synchronous belt, an outer rotating shaft is coaxially rotationally arranged in the grinding shaft frame, and two symmetrically arranged grinding units are arranged at the bottom of the grinding shaft frame; The grinding unit comprises an angle fixing frame and a wheel shaft, wherein two symmetrically arranged hinge bushings are arranged on the angle fixing frame, the two hinge bushings are hinged with the grinding shaft frame, the wheel shaft is rotationally connected with the hinge bushings, the wheel shaft is in transmission connection with the external rotating shaft, two second eccentric wheels are arranged on the wheel shaft, a grinding strip is connected onto the angle fixing frame in a sliding manner, a second spring is arranged between the grinding strip and the grinding strip, two driven rollers are rotationally connected onto the grinding strip, and the two driven rollers are respectively abutted against the two second eccentric wheels; the angle adjusting unit is configured to synchronously change the included angle between the two fixed angle frames and the impact frame; A power switching unit configured to: One-way switching grinding shaft bracket rotating or reciprocating; when the grinding shaft bracket rotates unidirectionally, the outer rotating shaft and the grinding shaft bracket are driven to synchronously rotate; when the grinding shaft frame rotates reciprocally, the impact frame is driven to vibrate up and down, and the outer rotating shaft and the grinding shaft frame are driven to rotate asynchronously. On the basis of the technical scheme, the invention can be improved as follows. Preferably, the ball screw lifting mechanism is arranged on the frame in a vertical mode, the ball screw lifting mechanism is in transmission connection with the carrier, the carrier is in sliding connection with the frame, and the singlechip is fixedly arranged on the upper portion of th