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CN-121976024-A - Heat treatment device of alloy steel wire rod for automobile fastener

CN121976024ACN 121976024 ACN121976024 ACN 121976024ACN-121976024-A

Abstract

The invention discloses a heat treatment device of an alloy steel wire rod for an automobile fastener, and relates to the technical field of heat treatment equipment of the steel wire rod of the fastener. According to the invention, the heat treatment cavity with variable volume is enclosed by the plurality of arc-shaped vertical plates capable of radially and cooperatively moving, so that the self-adaptive matching of wires with different diameters is realized, the heating space is optimized, the heat utilization rate is remarkably improved, the contact assembly and the linkage adjusting mechanism ensure that the cavity is always kept well sealed in the dynamic adjusting process, the heat leakage is effectively reduced, the stable process environment is maintained, the damping part integrated at the outlet of the furnace body is used, the vibration energy in the running process of the wires is efficiently absorbed through the combined action of the flexible support and the pendulum damping, and the surface quality of the wires and the running stability of the mechanism in the furnace are protected.

Inventors

  • YANG WEI
  • SU YAN

Assignees

  • 太仓硕兴金属制品有限公司

Dates

Publication Date
20260505
Application Date
20260131

Claims (10)

  1. 1. A heat treatment device of an alloy steel wire rod for an automobile fastener is characterized by comprising, The furnace body (1) is fixedly connected with end plates (2) at two ends, an inlet hole (21) for an alloy steel wire rod to pass through is formed in the center of the end plates (2), and a plurality of linear grooves (22) extending along the radial direction of the furnace body (1) are formed in the end plates (2) around the inlet hole (21); the arc-shaped vertical plates (3) are arranged around the axis of the furnace body (1), long shafts (31) are arranged at two ends of each arc-shaped vertical plate (3), the long shafts (31) are inserted into the linear grooves (22), and the side walls of the adjacent arc-shaped vertical plates (3) are mutually abutted through the contact assemblies (32) to jointly enclose a heat treatment cavity; The adjusting mechanism (4) is arranged at two ends of the furnace body (1), the adjusting mechanism (4) comprises a mounting bracket (41) fixed on the furnace body (1) and an adjusting plate (42) rotatably connected to the inner side of the mounting bracket (41) through a rotating shaft, an arc groove (43) and a special-shaped groove (44) are formed in the adjusting plate (42), the long shaft (31) penetrates through the straight line groove (22) and is slidably inserted into the arc groove (43) and the special-shaped groove (44), and the special-shaped groove (44) is staggered with the arc groove (43); an annular accommodating cavity is formed between the adjusting plate (42) and the end plate (2), a sealing plate assembly (5) is arranged in the accommodating cavity, the sealing plate assembly (5) comprises an arc-shaped shielding plate (51) fixedly connected with the long shaft (31), and the inner side surface of the arc-shaped shielding plate (51) is used for contacting an alloy steel wire rod; and the driving assembly (6) is in transmission connection with the adjusting plate (42).
  2. 2. The heat treatment device for alloy steel wire rods for automobile fasteners according to claim 1, wherein said contact assembly (32) comprises sliding grooves (321) formed in both side walls of the arc-shaped riser (3), cylindrical piles (322) formed inside the sliding grooves (321), and spring bases (323) fixedly connected to one ends of the cylindrical piles (322), the spring bases (323) being formed inside the sliding grooves (321), and the spring bases (323) pushing the cylindrical piles (322) to protrude out of the sliding grooves (321) in normal state.
  3. 3. The heat treatment apparatus for an alloy steel wire rod for an automobile fastener according to claim 2, wherein the shaped groove (44) comprises an arc portion (441) coaxial with the adjusting plate (42), and a straight line portion (442) communicating with one end of the arc portion (441), and a straight line distance between both ends of the arc groove (43) is larger than a straight line distance between both ends of the shaped groove (44).
  4. 4. The heat treatment device for alloy steel wire rods for automobile fasteners according to claim 3, further comprising shock absorbing parts (7) arranged at two ends of the furnace body (1), wherein the shock absorbing parts (7) comprise arc-shaped frames (71), a plurality of rollers (72) are arranged in the arc-shaped frames (71) and used for supporting the steel wire rods, and a lifting frame (73) is connected to the bottom of the arc-shaped frames (71).
  5. 5. The heat treatment device for alloy steel wires for automobile fasteners according to claim 4, wherein the two ends of the arc-shaped frame (71) are fixedly connected with short steel cables (74), and one ends of the short steel cables (74) far away from the arc-shaped frame (71) are fixedly connected with balancing weights (75).
  6. 6. The heat treatment device for alloy steel wire rods for automobile fasteners according to claim 5, wherein said lifting frame (73) comprises a supporting table (731) fixedly arranged, two supporting plates (732) symmetrically hinged to both sides of the top of the supporting table (731), a connecting table (733) hinged to the upper ends of the two supporting plates (732), a top groove connected to the bottom of the arc-shaped frame (71) is provided on the top of the connecting table (733), and a supporting spring (734) is provided between the bottom of the connecting table (733) and the supporting table (731).
  7. 7. The heat treatment apparatus of alloy steel wire rod for automobile fasteners as set forth in claim 6, wherein said driving unit (6) comprises a mounting tube (61) fixedly disposed inside a supporting table (731), a driving shaft (62) rotatably disposed inside the mounting tube (61), a driving gear (63) fixedly connected to the top end of the driving shaft (62), a driving ring gear (64) coaxially fixedly connected to the outside of the adjusting plate (42), and a torsion spring (65) disposed inside the mounting tube (61) and connected to the driving shaft (62), the driving ring gear (64) being engaged with the driving gear (63).
  8. 8. The heat treatment device for alloy steel wires for automobile fasteners as set forth in claim 7, wherein the mounting bracket (41) comprises a plurality of supporting frames (411) fixedly connected with the outer wall of the furnace body (1), bearing seats (412) are commonly arranged on the inner sides of the supporting frames (411), and the central hole of the adjusting plate (42) is rotatably connected with the bearing seats (412) through bearings.
  9. 9. The heat treatment device for alloy steel wire rods for automobile fasteners according to claim 8, wherein the inner side of the arc-shaped shielding plate (51) is arc-shaped, and a plurality of uniformly distributed balls (52) are embedded in the surface of the arc-shaped surface.
  10. 10. The heat treatment device for alloy steel wires for automobile fasteners according to claim 9, wherein the heat insulation layer (11) is arranged in the furnace body (1), liquid supply pipes (12) are arranged on two sides of the furnace body (1), a plurality of connecting pipes (13) are extended from the bottom ends of the liquid supply pipes (12), the connecting pipes (13) penetrate through the arc-shaped vertical plates (3) respectively, and the connecting pipes (13) on two sides are arranged in a staggered mode.

Description

Heat treatment device of alloy steel wire rod for automobile fastener Technical Field The invention relates to the technical field of heat treatment equipment for a fastener steel wire rod, in particular to a heat treatment device for an alloy steel wire rod for an automobile fastener. Background The traditional alloy steel wire heat treatment device for the automobile fastener is characterized in that a heating furnace chamber of the traditional alloy steel wire heat treatment device is of a fixed size structure, and wires with different diameters are difficult to adapt. When processing thin wires, the excessive furnace chamber space causes the increase of heat capacity requirement, low heat efficiency and obvious energy waste, and when processing thick wires, the uniformity and process stability of heating are easily affected due to the limited space, so that the flexibility of a production line is greatly limited, furnace body parts are often required to be replaced or regulated in a shut-down mode when switching among products with different specifications, the universality and the production efficiency of equipment are reduced, and meanwhile, the conventional method of maintaining a large-size furnace chamber for meeting the heating requirement of various wire diameters also increases the initial manufacturing cost and the continuous operation energy consumption of the equipment. Disclosure of Invention This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application. The present invention has been made in view of the above-mentioned and/or problems occurring in the conventional heat treatment apparatus for alloy steel wire rods for automobile fasteners. Therefore, the present invention solves the problem of how to solve the problem that the heating furnace chamber with fixed size is easy to waste energy or limit heating space when processing thin wires and thick wires. The heat treatment device comprises a furnace body, two ends of the furnace body are fixedly connected with end plates, an inlet hole for the alloy steel wire to pass through is formed in the center of each end plate, a plurality of linear grooves extending along the radial direction of the furnace body are formed in the end plates around the inlet hole, a plurality of arc-shaped vertical plates are arranged around the axis of the furnace body, long shafts are arranged at the two ends of each arc-shaped vertical plate and inserted into the linear grooves, the side walls of adjacent arc-shaped vertical plates are mutually abutted through contact assemblies to jointly enclose a heat treatment cavity, an adjusting mechanism is arranged at the two ends of the furnace body and comprises a mounting bracket fixed on the furnace body and an adjusting plate rotatably connected to the inner side of the mounting bracket through a rotating shaft, arc-shaped grooves and special-shaped grooves are formed in the adjusting plate, the long shafts penetrate through the linear grooves and are in the special-shaped grooves in a sliding mode, annular accommodating cavities are formed between the adjusting plate and the end plates, sealing plate assemblies are arranged in the accommodating cavities, each sealing plate assembly comprises a shielding plate fixedly connected with the long shafts, the inner sides of the shielding plates are in contact with the arc-shaped steel wire, and the driving assembly is used for driving the sealing plates. As a preferable scheme of the heat treatment device of the alloy steel wire rod for the automobile fastener, the contact assembly comprises a sliding groove formed in two side walls of the arc-shaped vertical plate, a cylindrical pile body arranged in the sliding groove, and a spring platform fixedly connected to one end of the cylindrical pile body, wherein the spring platform is arranged in the sliding groove, and in a normal state, the spring platform pushes the cylindrical pile body to protrude out of the sliding groove. As a preferable scheme of the heat treatment device of the alloy steel wire rod for the automobile fastener, the special-shaped groove comprises an arc-shaped part coaxial with the adjusting plate and a straight line part communicated with one end of the arc-shaped part, and the straight line distance between two ends of the arc-shaped groove is larger than the straight line distance between two ends of the special-shaped groove. The heat treatment device for the alloy steel wire rod for the automobile fastener is characterized by further comprising a damping part which is arranged at two ends of the furnace body, wherein the damping part comprises an arc-shaped frame, a plurality of rollers are arranged in the arc-shaped fra