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CN-224209077-U - Material returning preventing device of cold header for fastener preparation

CN224209077UCN 224209077 UCN224209077 UCN 224209077UCN-224209077-U

Abstract

The utility model relates to the technical field of cold header equipment and provides a material returning prevention device of a cold header for fastener preparation, which comprises a mounting plate, wherein two groups of traction wheels are arranged at the front end of the mounting plate, a first fixed block and a second fixed block are arranged at one end of each traction wheel, an arc-shaped supporting block is arranged at the other end of each traction wheel, a baffle plate with adjustable distance is arranged, the device can be adjusted according to the diameter of a produced bar, the device is suitable for the production of bars with various sizes, a movable limiting block is arranged to limit the traction wheels, the traction wheels are not easy to move during cutting, the accuracy of cutting length is improved, rust and impurities on the surface of the bar are removed by arranging the first fixed block and the second fixed block at the feeding end, the production quality of the device is improved, and the service life of the device is prolonged.

Inventors

  • ZHANG MENGFEI
  • YANG LU
  • Kang Xiaoshuai
  • Lian Xiaoliang

Assignees

  • 邯郸市精工建筑锚固制造有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (10)

  1. 1. The utility model provides a cold heading machine for fastener preparation prevent material returned device, includes mounting panel (1), and the front end of mounting panel (1) is provided with two sets of traction wheels (8), and the one end of traction wheel (8) is provided with first fixed block (15) and second fixed block (16), and the other end of traction wheel (8) is provided with arc supporting shoe (7), its characterized in that, two sets of the front end fixedly connected with fixed plate (9) of traction wheel (8), the outer wall threaded connection of traction wheel (8) has two sets of baffles (10), screw hole (19) of a plurality of evenly distributed of group have been seted up on the top of traction wheel (8).
  2. 2. The material returning prevention device of the cold header for fastener preparation according to claim 1, wherein bolts (18) are connected to both the baffle plates (10) in a threaded manner, and the output ends of the bolts (18) are connected with threaded holes (19) in a threaded manner.
  3. 3. The material returning prevention device of the cold header for fastener preparation according to claim 1, wherein a group of traction wheels (8) are provided with limiting grooves (11), the front end of the mounting plate (1) is fixedly connected with an air cylinder (12), the output end of the air cylinder (12) is fixedly connected with a limiting block (13), the limiting block (13) is in sliding connection with the limiting grooves (11), one end of the limiting block (13) is fixedly connected with a limiting rod (14), and the limiting rod (14) is in sliding connection with the mounting plate (1).
  4. 4. The material returning prevention device of the cold header for fastener preparation according to claim 1, wherein a motor (17) is fixedly connected to the rear end of the mounting plate (1), and the output end of the motor (17) penetrates through the mounting plate (1) and is fixedly connected with the other group of traction wheels (8).
  5. 5. The material returning preventing device of the cold header for fastener preparation according to claim 1, wherein two groups of sliding grooves (3) are formed in the mounting plate (1), two groups of sliding grooves (3) are fixedly connected with electric push rods (4), the output ends of the electric push rods (4) are fixedly connected with sliding blocks (5), one group of sliding blocks (5) are fixedly connected with abutting blocks (6), and the other group of sliding blocks (5) are rotatably connected with one group of traction wheels (8).
  6. 6. The material returning preventing device of the cold header for fastener preparation according to claim 1, wherein the front end of the mounting plate (1) is fixedly connected with an arc-shaped supporting block (7), and the arc-shaped supporting block (7) is arranged corresponding to the abutting block (6).
  7. 7. The material returning prevention device of the cold header for fastener preparation according to claim 1, characterized in that the first fixing block (15) is fixedly connected to the mounting plate (1), a through hole (20) is formed in the first fixing block (15), two groups of first friction blocks (22) are slidably connected to the first fixing block (15), steel wires are fixedly connected to one ends, far away from the first fixing block (15), of the two groups of first friction blocks (22), electric telescopic rods (21) are fixedly connected to the top end and the bottom end of the inner wall of the first fixing block (15), and the output ends of the electric telescopic rods (21) are fixedly connected with the first friction blocks (22).
  8. 8. The material returning prevention device of the cold header for fastener preparation according to claim 1, wherein the second fixing block (16) is fixedly connected to the mounting plate (1), a through hole (20) is formed in the second fixing block (16), two groups of second friction blocks (23) are slidably connected to the second fixing block (16), steel wires are fixedly connected to one ends, far away from the second fixing block (16), of the two groups of second friction blocks (23), electric telescopic rods (21) are fixedly connected to the left end and the right end of the inner wall of the second fixing block (16), and the output end of each electric telescopic rod (21) is fixedly connected with each second friction block (23).
  9. 9. The material returning prevention device of the cold header for fastener preparation according to claim 7, wherein steel wires arranged on the surfaces of the two groups of the first friction blocks (22) and the second friction blocks (23) are replaceable, and arc-shaped grooves are formed on the surfaces of the first friction blocks (22) and the second friction blocks (23) so as to be convenient for attaching to bar (2).
  10. 10. The material returning prevention device of the cold header for fastener preparation according to claim 9, wherein the output end of the bar stock (2) penetrates through the first fixing block (15), the second fixing block (16) and the arc-shaped supporting block (7), and the diameter of the bar stock (2) is smaller than that of the through hole (20).

Description

Material returning preventing device of cold header for fastener preparation Technical Field The utility model relates to the technical field of cold header equipment, in particular to a material returning prevention device of a cold header for fastener preparation. Background The cold header is special equipment which is mainly used for mass production of fasteners such as nut bolts and the like, a feeding device is needed to convey the bar into the cold header during processing of the cold header, the bar is generally pressed by an upper feeding wheel and a lower feeding wheel to be conveyed, and after the bar is conveyed into the cold header through the feeding wheels, the bar is needed to be cut off through a cutter in the cold header. Chinese patent CN221336497U provides a material returning prevention device of cold header, which comprises a mounting plate and is characterized in that the front side of the mounting plate is rotationally provided with a first feeding wheel and a second feeding wheel, and a retaining component is further arranged on the mounting plate, but the equipment is used for transmitting bars with different sizes by replacing feeding wheels with different sizes, so that a plurality of feeding wheels are required to be manufactured, the mounting and dismounting processes are complicated, the use cost is high, the outer wall of the bar is not cleaned, equipment damage is possibly caused in the production process, and the service life of the equipment is reduced. Therefore, the utility model provides a material returning prevention device of a cold header for preparing a fastener, so as to solve the problems. Disclosure of utility model The utility model provides a material returning preventing device of a cold header for fastener preparation, which is applicable to bars with various sizes by arranging an adjustable baffle plate, does not need to replace a whole feeding wheel, is beneficial to reducing the use cost of the device, and is beneficial to preventing damage to the device caused by impurities by arranging a first friction block and a second friction block at a feeding hole to clean the bars. The technical scheme of the utility model is as follows: The utility model provides a cold heading machine for fastener preparation prevent material returned device, includes the mounting panel, and the front end of mounting panel is provided with two sets of traction wheels, and the one end of traction wheel is provided with first fixed block and second fixed block, and the other end of traction wheel is provided with the arc supporting shoe, two sets of the front end fixedly connected with fixed plate of traction wheel, the outer wall threaded connection of traction wheel has two sets of baffles, a plurality of evenly distributed's screw hole has been seted up on the top of traction wheel. Optionally, bolts are connected to both the two groups of baffles in a threaded manner, and the output ends of the bolts are connected with the threaded holes in a threaded manner. Optionally, a group of traction wheels are provided with limiting grooves, the front end of the mounting plate is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a limiting block, the limiting block is in sliding connection with the limiting grooves, one end of the limiting block is fixedly connected with a limiting rod, and the limiting rod is in sliding connection with the mounting plate. Optionally, the rear end fixedly connected with motor of mounting panel, the output of motor passes the mounting panel and another group traction wheel fixed connection. Optionally, two groups of sliding grooves are formed in the mounting plate, the two groups of sliding grooves are fixedly connected with electric pushing rods, the output ends of the electric pushing rods are fixedly connected with sliding blocks, one group of sliding blocks are fixedly connected with abutting blocks, and the other group of sliding blocks are rotatably connected with one group of traction wheels. Optionally, the front end fixedly connected with arc supporting shoe of mounting panel, arc supporting shoe corresponds the setting with supporting the piece. Optionally, first fixed block fixed connection is on the mounting panel, the through-hole has been seted up on the first fixed block, sliding connection has two sets of first friction blocks on the first fixed block, two sets of the one end fixedly connected with steel wire that first friction block kept away from first fixed block, the inner wall top and the bottom of first fixed block are fixedly connected with electric telescopic handle respectively, electric telescopic handle's output and first friction block fixed connection. Optionally, the second fixed block fixed connection is on the mounting panel, the through-hole has been seted up on the second fixed block, sliding connection has two sets of second friction blocks on the second fixed block, two sets