Search

CN-121988797-A - Riser cutting machine for aluminum alloy hub and riser cutting process thereof

CN121988797ACN 121988797 ACN121988797 ACN 121988797ACN-121988797-A

Abstract

The invention relates to a riser cutting machine for an aluminum alloy hub and a riser cutting process thereof, comprising a frame, a feeding mechanism arranged on the frame, an alloy saw blade body detachably arranged on the feeding mechanism and used for cutting a riser, a clamping mechanism arranged on the frame and used for clamping the hub body, and a waste bin arranged on the frame and used for collecting the riser, wherein a material receiving mechanism used for receiving the riser is arranged in an inner cavity of the waste bin, and the material receiving mechanism comprises a material receiving hopper rotatably connected with the inner cavity of the waste bin, a first elastic piece arranged between the waste bin and the material receiving hopper, and a lower layer buffering and supporting component arranged in the material receiving hopper and used for weakening the impact force of the riser. According to the invention, the cutting action of the feeding mechanism is mechanically linked with the lifting action of the receiving hopper through the traction mechanism, so that the receiving hopper is positioned right below the riser immediately after cutting is finished, the cut riser is directly received instead of freely falling, and the rigid collision between the riser and the bottom of the waste box is avoided.

Inventors

  • DENG DONGWANG
  • Jia Minshang
  • WANG HONGSHAN
  • HE XUANYUN
  • YING JINGHUI
  • ZHENG GUOZHONG
  • XU MENGTING

Assignees

  • 浙江保康轮毂制造有限公司
  • 浙江万集智能科技有限公司

Dates

Publication Date
20260508
Application Date
20260326

Claims (10)

  1. 1. The riser cutting machine for the aluminum alloy hubs comprises a frame (1), a feeding mechanism (101) arranged on the frame (1), an alloy saw blade body (103) detachably arranged on the feeding mechanism (101) and used for cutting risers (102), a clamping mechanism (105) arranged on the frame (1) and used for clamping hub bodies (104) and a waste bin (106) arranged on the frame (1) and used for collecting the risers (102); The device is characterized in that a material receiving mechanism for receiving the riser (102) is arranged in the inner cavity of the waste bin (106); The receiving mechanism comprises a receiving hopper (2) rotatably connected to the inner cavity of the waste bin (106), a first elastic piece (201) arranged between the waste bin (106) and the receiving hopper (2), a lower buffer bearing component arranged in the receiving hopper (2) and used for weakening the impact force of the riser (102), an upper shielding component arranged in the receiving hopper (2) and used for preventing the riser (102) from being ejected, and a linkage component arranged between the lower buffer bearing component and the upper shielding component; the lower buffer bearing component is used for bearing and weakening impact force of the riser (102), the upper shielding component is used for preventing the riser (102) from being ejected, and the receiving hopper (2) is used for keeping a discharging state that the front end is inclined downwards under the action of the first elastic piece (201).
  2. 2. A riser cutter for aluminum alloy hubs according to claim 1, wherein the lower buffer bearing assembly comprises a bearing plate (3) symmetrically rotatably connected in a receiving hopper (2) and a second elastic member (301) sleeved on a rotating shaft of the bearing plate (3), the bearing plate (3) is kept in a horizontal state under the action of the second elastic member (301) to bear a falling riser (102), and when the riser (102) falls into contact with and presses down the bearing plate (3), the two bearing plates (3) synchronously rotate downwards and compress the second elastic member (301) to form a V-shaped groove for holding the riser (102), and a reverse buffer force is provided by compression deformation of the second elastic member (301).
  3. 3. The riser cutting machine for aluminum alloy hubs according to claim 2, wherein the upper shielding assembly comprises a baffle plate (4) symmetrically connected in the receiving hopper (2) in a rotating mode and a third elastic piece (401) sleeved on a rotating shaft of the baffle plate (4), the baffle plate (4) keeps a vertical and upward opening state under the action of the third elastic piece (401), and when the riser (102) falls down, the lower buffering supporting assembly drives the two baffle plates (4) to synchronously rotate inwards through the linkage assembly so as to close the top opening of the receiving hopper (2).
  4. 4. The riser cutting machine for aluminum alloy hubs according to claim 3, wherein the linkage assembly comprises a triangle groove plate (5) arranged in each baffle plate (4), a meshing block (501) which is connected in the baffle plates (4) in a sliding mode and matched with the triangle groove plates (5), and a plurality of fourth elastic pieces (502) fixedly connected to the surfaces of the meshing block (501), pull ropes (505) are connected between the meshing block (501) and the bearing plates (3), sliding push plates (506) are connected to the surfaces of the pull ropes (505) in a sliding mode and are used for assisting pushing materials when the receiving hoppers (2) are obliquely reset, and when the bearing plates (3) rotate downwards, the meshing block (501) is driven to move through the pull ropes (505), so that the meshing block (501) is separated from the matching with the triangle groove plates (5) and the fourth elastic pieces (502) are compressed, and the baffle plates (4) are pulled to rotate.
  5. 5. The riser cutting machine for aluminum alloy hubs according to claim 4, wherein the linkage assembly further comprises a retaining plate (503) fixedly connected to one end of the fourth elastic member (502) and a plurality of balls (504) embedded in an inner cavity of the retaining plate (503), the balls (504) on the retaining plate (503) are in rolling contact with the inner wall of the baffle plate (4), and the engagement blocks (501) move in the inner cavity of the baffle plate (4) through the balls (504) along with continuous rotation of the bearing plate (3) so that the rotation angle of the baffle plate (4) is gradually increased.
  6. 6. The riser cutting machine for aluminum alloy hubs of claim 5 further comprising a traction mechanism, wherein the traction mechanism comprises a roller (6) rotatably connected in the receiving hopper (2), a plurality of fixed pulleys (601) respectively arranged on the frame (1) and the waste bin (106) and a steel wire rope (602) wound on the fixed pulleys (601), one end of the steel wire rope (602) is connected with the receiving hopper (2), the other end of the steel wire rope (602) is connected with the feeding mechanism (101), and when the feeding mechanism (101) feeds, the steel wire rope (602) and the fixed pulleys (601) pull the receiving hopper (2) to rotate upwards to a receiving state with an upward opening.
  7. 7. The riser cutting machine for aluminum alloy hubs according to claim 6, wherein one end of the steel wire rope (602) is attached to the surface of the roller (6) and fixedly connected with the surface of the receiving hopper (2), and the other end of the steel wire rope (602) is fixedly connected with the bottom of the feeding mechanism (101).
  8. 8. The riser cutting machine for aluminum alloy hubs according to claim 7, wherein the inner cavity of the waste bin (106) is fixedly connected with a stop block (7) for limiting rotation of the butt joint hopper (2), the bottom of the waste bin (106) is fixedly connected with a protection plate (701) for protecting the first elastic piece (201), and a buffer pad (702) is arranged at the bottom of the inner cavity of the butt joint hopper (2).
  9. 9. The riser cutting machine for aluminum alloy hubs according to claim 8, wherein the clamping mechanism (105) is a chuck type clamping mechanism, the first elastic member (201) is a tension spring, the second elastic member (301) and the third elastic member (401) are torsion springs, and the fourth elastic member (502) is a compression spring.
  10. 10. A process for cutting and forging an aluminum alloy hub, characterized in that the riser cutting machine for the aluminum alloy hub according to any one of claims 1 to 9 comprises the following steps: S1, enabling a feeding mechanism (101) to be in a waiting position, and enabling a receiving hopper (2) to keep a discharging state that the front end is inclined downwards under the action of a first elastic piece (201); s2, when the feeding mechanism (101) drives the alloy saw blade body (103) to cut the riser (102), the steel wire rope (602) is used for pulling the receiving hopper (2) to rotate upwards to a receiving state with an upward opening, so that the cut riser (102) directly falls into the receiving hopper (2); s3, in the falling process of the riser (102), the lower layer buffer bearing component receives and weakens impact force through elastic deformation, and meanwhile, the upper layer shielding component is driven to rotate through the linkage component to seal the top opening of the receiving hopper (2), so that the riser (102) is prevented from being ejected out of the receiving hopper (2) due to possible slight bouncing; s4, after the feeding mechanism (101) is retracted, the receiving hopper (2) automatically rotates downwards to reset to an inclined discharging state under the action of the first elastic piece (201), and the supporting plate (3) rotates upwards to reset to push the riser (102) to slide out, so that the riser (102) enters the waste bin (106) through low drop.

Description

Riser cutting machine for aluminum alloy hub and riser cutting process thereof Technical Field The invention relates to the technical field of aluminum alloy casting processing equipment, in particular to a riser cutting machine for an aluminum alloy hub and a riser cutting process thereof. Background Along with the popularization of the automobile light-weight technology, the aluminum alloy hub has become a main stream matching component in the automobile industry by virtue of the advantages of light weight, high strength, good heat dissipation, attractive appearance and the like, and the main stream forming process is low-pressure casting. In the low pressure casting process, volume shrinkage can occur when the liquid aluminum alloy is cooled and solidified, so that the defects of shrinkage cavity, shrinkage porosity and the like in the hub body are avoided, a feeding riser is required to be arranged at the center of the hub, the riser is of a solid aluminum structure, the effect of continuously supplementing aluminum liquid when the hub is solidified and shrunk is achieved, the compactness of the internal structure of the hub is guaranteed, and the structural strength of the hub is ensured. The main means of the device is that a special riser cutting machine is used after the aluminum alloy hub is cast and demolded, the device is used for fixing a hub blank with the riser through a special fixture, the riser root at the center of the hub is sawn off by using a hard alloy saw blade rotating at high speed in a mechanical feeding mode, so that the separation of the riser and the hub body is realized, the existing riser cutting machine generally comprises a frame, a workbench, a sawing mechanism and a waste collection device, and the working process is that the hub with the riser is fixed on the special fixture, the sawing mechanism is used for cutting, and the cut riser falls freely from a cutting position to a waste box preset below under the action of gravity for collection. However, in the practical application process of the prior art, the feeder head is of a solid aluminum structure, so that the weight of a single piece is large, when the feeder head freely falls to the bottom of the waste bin from a cutting station with a certain height, huge impact force is carried, the hard collision can generate intense noise with instantaneous high decibel, serious noise pollution is formed, the hearing health and working environment of workshop operators are adversely affected, meanwhile, the huge impact force repeatedly acts on the bottom plate of the waste bin, the bottom of the waste bin is extremely easy to deform and dent, the service life of the waste bin is obviously shortened, and the maintenance cost of equipment is increased. Disclosure of Invention The invention aims to provide a riser cutting machine for an aluminum alloy hub and a riser cutting process thereof. The invention aims at realizing the technical scheme that the riser cutting machine for the aluminum alloy hub and the cutting and caving process thereof comprise a frame, a feeding mechanism arranged on the frame, an alloy saw blade body detachably arranged on the feeding mechanism and used for cutting a riser, a clamping mechanism arranged on the frame and used for clamping the hub body and a waste bin arranged on the frame and used for collecting the riser; The inner cavity of the waste box is provided with a receiving mechanism for receiving a riser; the material receiving mechanism comprises a material receiving hopper rotatably connected to the inner cavity of the waste box, a first elastic piece arranged between the waste box and the material receiving hopper, a lower layer buffer bearing component arranged in the material receiving hopper and used for weakening the impact force of a riser, an upper layer shielding component arranged in the material receiving hopper and used for preventing the riser from being ejected, and a linkage component arranged between the lower layer buffer bearing component and the upper layer shielding component; the lower buffer bearing component is used for bearing and weakening impact force of the riser, the upper shielding component is used for preventing the riser from being ejected out, and the receiving hopper is used for keeping a discharging state that the front end is inclined downwards under the action of the first elastic component. The lower layer buffering bearing assembly comprises bearing plates symmetrically connected in the receiving hopper in a rotating mode and second elastic pieces sleeved on rotating shafts of the bearing plates, the bearing plates are kept in a horizontal state under the action of the second elastic pieces so as to bear falling dead heads, when the dead heads fall and contact and press the bearing plates, the two bearing plates synchronously rotate downwards to compress the second elastic pieces to form V-shaped grooves for covering the dead heads, and the reverse buffer