Annealing device for heat treatment of coiled wire rod

Abstract

The utility model relates to an annealing device for heat treatment of coiled wires, which comprises a base arranged on a feeding track of an annealing furnace, a plurality of wire annealing bearing frames distributed in an array are arranged on the base, the base comprises a bottom plate, and a rectangular positioning frame is fixedly connected onto the bottom plate. A plurality of rectangular side ventilation grooves are formed in the left side wall and the right side wall of the positioning frame respectively, and a plurality of rectangular front ventilation grooves are formed in the front side wall and the rear side wall of the positioning frame respectively. A plurality of transverse bottom beams which are longitudinally distributed are fixedly connected to the bottom plate on the inner side of the positioning frame, and the two ends of each transverse bottom beam are located in the middle of the corresponding side ventilation groove and fixedly connected with the positioning frame; a plurality of T-shaped ventilation notches are formed in the positioning frame, longitudinal bottom beams are fixedly connected to the upper portions of the ventilation notches in an inserted mode, and the two ends of each longitudinal bottom beam are located in the middle of the corresponding positive ventilation groove and fixedly connected with the positioning frame. The annealing device is composed of the base and the bearing frame, the bearing frame is used for stacking the wires, the wires can be evenly heated through cooperation with the base, and meanwhile the annealing efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to annealing device's technical field, more specifically relates to a kind of annealing device for coiled wire rod heat treatment. BACKGROUND

[0002] Wire drawing refers to the plastic deformation process of metal rod under the action of certain tension, through a series of gradually smaller diameter die holes. Simply speaking, wire drawing is the stretching of wire rod under equal volume. After wire drawing production, the wire rod needs to be annealed to restore the plasticity of cold work-hardened wire rod to the level before cold working, so as to continue processing. Current wire drawing wire rod is coiled, and is annealed in an annealing furnace. The wire rod is generally arranged in an interleaved and stacked manner in the annealing furnace. The interleaved and stacked manner has good ventilation flow channel, so that all wire rods are uniformly heated. However, the stacking and taking of wire rods are troublesome, which consumes a lot of time and affects annealing efficiency. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of annealing devices for coiled wire rod heat treatment, and the annealing device is composed of base and bearing frame, bearing frame is used to stack wire rod, cooperate base to realize wire rod uniform heating, simultaneously, it is convenient to place and unload wire rod on base, reduce annealing interval, can improve annealing efficiency

[0004] An annealing device for coiled wire rod heat treatment includes a base installed on an annealing furnace feed rail. The base is provided with a plurality of wire rod annealing bearing frames arranged in an array. The base includes a bottom plate. A rectangular positioning frame is fixed to the bottom plate. A plurality of rectangular side ventilation grooves are formed on the left and right side walls of the positioning frame. A plurality of rectangular front and rear ventilation grooves are formed on the front and rear side walls of the positioning frame. A plurality of longitudinal distribution horizontal bottom beams are fixed to the bottom plate inside the positioning frame. The two ends of the horizontal bottom beams are located in the middle of the side ventilation grooves and are fixed to the positioning frame. A plurality of T-shaped ventilation slots are formed on the positioning frame. Longitudinal bottom beams are inserted and fixed to the upper part of the ventilation slots. The two ends of the longitudinal bottom beams are located in the middle of the front and rear ventilation grooves and are fixed to the positioning frame.

[0005] The wire rod annealing bearing frame includes a bearing plate inserted into the positioning frame. A ventilation hole is formed in the middle of the bearing plate and is connected to the outside of the positioning frame. Four vertical blocking rods are fixed to the bearing plate around the ventilation hole. The upper end of each blocking rod is bent to form a circular arc-shaped guide rod. The upper ends of the guide rods are located directly above the center of the ventilation hole and are fixed together.

[0006] Preferably, the center of the ventilation hole on the bearing plate is located at the intersection of the horizontal bottom beam and the longitudinal bottom beam. The upper end surface of the longitudinal bottom beam is flush with the upper end surface of the horizontal bottom beam and is lower than the upper end surface of the positioning frame.

[0007] Preferably, the baffle rods are evenly distributed in a ring around the central axis of the ventilation holes on the bearing plate.

[0008] Preferably, the middle part of the ventilation holes on the bearing plate is provided with a connecting plate, both ends of the connecting plate are formed on the bearing plate, the middle part is fixedly connected with a hoisting reinforcing column, and the upper end of the hoisting reinforcing column is welded and fixed with the upper end of the guide rod.

[0009] Preferably, the baffle rod is a round rod, a plurality of groups of vertical distribution separation mechanisms are arranged on the wire annealing bearing frame, the separation mechanism comprises a positioning sleeve fixed on the hoisting reinforcing column, a plurality of positioning grooves are formed on the outer wall of the positioning sleeve, a separation plate is inserted into the positioning groove, and an arc-shaped clamping port is formed at the outer end of the separation plate and is sleeved on the baffle rod.

[0010] Preferably, the arc radian of the clamping port on the separation plate is located at π-3 / 2π.

[0011] Preferably, a plurality of cylindrical pads are fixedly connected to the base on the inner side of the positioning frame, and the upper end of the pad abuts against the bearing plate.

[0012] The beneficial effects of the utility model lie in:

[0013] The annealing device is composed of a base and a bearing frame, the bearing frame is used for stacking wires, and the base can realize uniform heating of the wires, facilitate placement and removal of the wires on the base, reduce annealing intervals, and improve annealing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a sectional view of the utility model;

[0015] Fig. 2 It is a front view of the structure of the utility model;

[0016] Fig. 3 It is a three-dimensional structure diagram of the inner wire annealing bearing frame of the utility model.

[0017] In the drawing: 1, base; 11, base; 12, positioning frame; 13, horizontal bottom beam; 14, vertical bottom beam; 15, pad; 2, wire annealing bearing frame; 21, bearing plate; 22, baffle rod; 23, baffle rod; 24, positioning sleeve; 25, separation plate. DETAILED DESCRIPTION

[0018] Embodiment: see Figs. 1 to 3As shown, an annealing device for heat treatment of coiled wire rod comprises a base 1 arranged at the feeding track of an annealing furnace, and a plurality of wire rod annealing carriers 2 arranged on the base 1. The base 1 comprises a bottom plate 11, and a rectangular positioning frame 12 fixed to the bottom plate 11. A plurality of rectangular side ventilation grooves 121 are formed on the left and right sidewalls of the positioning frame 12, and a plurality of rectangular front ventilation grooves 122 are formed on the front and rear sidewalls of the positioning frame 12. A plurality of longitudinal cross bottom beams 13 are fixed to the bottom plate 11 inside the positioning frame 12, and the two ends of each cross bottom beam 13 are located at the middle of the side ventilation grooves 121 and are fixed to the positioning frame 12. A plurality of T-shaped ventilation grooves 131 are formed on the positioning frame 12, and a longitudinal bottom beam 14 is inserted and fixed to the upper part of each ventilation groove 131. The two ends of the longitudinal bottom beam 14 are located at the middle of the front ventilation grooves 122 and are fixed to the positioning frame 12.

[0019] The wire rod annealing carrier 2 comprises a carrier plate 21 inserted into the positioning frame 12. A ventilation hole 211 is formed in the middle of the carrier plate 21 and is connected to the outside of the positioning frame 12. Four vertical blocking rods 22 are fixed to the carrier plate 21 around the ventilation hole 211. The upper end of each blocking rod 22 is bent to form a circular arc-shaped guide rod 221. The upper end of each guide rod 221 is located directly above the center of the ventilation hole 211 and is fixed together.

[0020] The center of the ventilation hole 211 on the carrier plate 21 is located at the intersection of the longitudinal bottom beam 14 and the cross bottom beam 13. The upper end surface of the longitudinal bottom beam 14 and the upper end surface of the cross bottom beam 13 are flush and lower than the upper end surface of the positioning frame 12. Therefore, the bottom plate 11 is horizontal and lower than the top of the positioning frame 12. The positioning frame 12 can limit the bottom plate 11. Fig. 1 As shown, the bottom plate 11 abuts against the inner sidewall of the positioning frame 12.

[0021] The blocking rods 22 are uniformly distributed in a ring shape around the central axis of the ventilation hole 211 on the carrier plate 21.

[0022] A connecting plate 212 is arranged in the middle of the ventilation hole 211 on the carrier plate 21. The two ends of the connecting plate 212 are formed on the carrier plate 21, and a hoisting reinforcing column 23 is fixed in the middle. The upper end of the hoisting reinforcing column 23 is welded and fixed to the upper end of the guide rod 221. The wire rod annealing carrier 2 can be hoisted and moved to the base 1. The lifting device is hung and buckled at the top of the guide rod 221. To prevent the guide rod 221 from deforming, the hoisting reinforcing column 23 is arranged in the middle to limit the deformation of the guide rod 221.

[0023] The stop rod 22 adopts a round rod, and the wire annealing carrier 2 is provided with a plurality of groups of vertically distributed separation mechanisms, the separation mechanism comprises a positioning sleeve 24 fixedly inserted on the hoisting reinforcing column 23, a plurality of positioning grooves 241 are formed on the outer wall of the positioning sleeve 24, a separation plate 25 is inserted in the positioning groove 241, and the outer end of the separation plate 25 is formed with an arc-shaped clamping port 251, and the clamping port 251 is sleeved on the stop rod 22; a plurality of coiled wires can be sleeved on the stop rod 22, and the conventional adjacent wires are abutted together, in order to facilitate the single group of wires to be taken out of the stop rod 22, gaps can be arranged between the wires, the insertion of the lifting belt is realized, and therefore the separation mechanism is additionally provided, as shown in Fig. 3 The wire can be normally sleeved on the stop rod 22, the folded separation mechanism will not interfere, when one wire is placed, the separation plate 25 is rotated, the separation plate 25 is separated from the positioning sleeve 24 and can be moved to the outside of the stop rod 22, and then the wires are separated by the separation plate 25, and the gap is left.

[0024] The arc radian of the clamping port 251 on the separation plate 25 is located at π-3 / 2π, the separation plate 25 can be moved up and down on the stop rod 22, but cannot be separated from the stop rod 22.

[0025] The base 1 in the positioning frame 12 is fixedly connected with a plurality of cylindrical pads 15, the upper end of the pad 15 abuts against the bearing plate 21, and the pad 15 can improve the supporting strength.

[0026] Working principle: the structure is an annealing device for coiled wires, the annealing device comprises a base 1 and a wire annealing carrier 2, the wire can be sleeved on the wire annealing carrier 2, the wire annealing carrier 2 can be hoisted and placed on the base 1, and the annealing device is convenient and fast; the wire can be unloaded from the base 1 in a hoisting mode, the preparation work before annealing of the annealing furnace can be reduced, the annealing frequency is improved, and the efficiency is improved.

[0027] Meanwhile, the structure formed by the base 1 and the wire annealing carrier 2 is provided with a good airflow channel, and the heating of the wire is not affected.

[0028] The embodiments are used to exemplarily illustrate the utility model, and are not used to limit the utility model. Any person skilled in the art can modify the embodiments without departing from the spirit and category of the utility model, therefore, the protection scope of the utility model should be as listed in the claims of the utility model.

Claims

1. An annealing apparatus for heat treatment of coiled wire, comprising a base (1) installed on the feed rail of an annealing furnace, wherein a plurality of wire annealing support frames (2) are arranged in an array on the base (1), characterized in that: The base (1) includes a base plate (11), on which a rectangular positioning frame (12) is fixed. On the left and right side walls of the positioning frame (12), a number of rectangular side ventilation slots (121) are formed respectively, and on the front and rear side walls, a number of rectangular front ventilation slots (122) are formed respectively. On the base plate (11) inside the positioning frame (12), a number of longitudinally distributed transverse bottom beams (13) are fixed. The two ends of the transverse bottom beams (13) are located in the middle of the side ventilation slots (121) and are fixed to the positioning frame (12). On the positioning frame (12), a number of T-shaped ventilation slots (131) are formed. A longitudinal bottom beam (14) is inserted and fixed to the upper part of the ventilation slot (131). The two ends of the longitudinal bottom beam (14) are located in the middle of the front ventilation slots (122) and are fixed to the positioning frame (12). The wire annealing support frame (2) includes a support plate (21) inserted in the positioning frame (12). The middle part of the support plate (21) is formed with a ventilation hole (211) that communicates with the outside of the positioning frame (12). Four vertical baffles (22) are fixed on the support plate (21) around the ventilation hole (211). The upper end of the baffle (22) is bent into an arc-shaped guide rod (221). The upper end of the guide rod (221) is located directly above the center of the ventilation hole (211) and is fixed together.

2. The annealing apparatus for heat treatment of coiled wire according to claim 1, characterized in that: The center of the ventilation hole (211) on the bearing plate (21) is located at the intersection of the horizontal bottom beam (13) and the longitudinal bottom beam (14). The upper end face of the longitudinal bottom beam (14) is flush with the upper end face of the horizontal bottom beam (13) and lower than the upper end face of the positioning frame (12).

3. The annealing apparatus for heat treatment of coiled wire according to claim 1, characterized in that: The baffle (22) is evenly distributed in a ring around the central axis of the ventilation hole (211) on the bearing plate (21).

4. An annealing apparatus for heat treatment of coiled wire according to claim 3, characterized in that: A connecting plate (212) is provided in the middle of the ventilation hole (211) on the bearing plate (21). The two ends of the connecting plate (212) are respectively formed on the bearing plate (21), and a hoisting reinforcement column (23) is fixed in the middle. The upper end of the hoisting reinforcement column (23) is welded and fixed together with the upper end of the guide rod (221).

5. An annealing apparatus for heat treatment of coiled wire according to claim 4, characterized in that: The stop bar (22) is a round bar. The wire annealing support frame (2) is provided with several sets of vertically distributed partitioning mechanisms. The partitioning mechanism includes a positioning sleeve (24) fixed on the hoisting reinforcement column (23). Several positioning slots (241) are formed on the outer wall of the positioning sleeve (24). A partition plate (25) is inserted in the positioning slot (241). The outer end of the partition plate (25) is formed with an arc-shaped latch (251). The latch (251) is sleeved on the stop bar (22).

6. An annealing apparatus for heat treatment of coiled wire according to claim 5, characterized in that: The arc radius of the latch (251) on the partition plate (25) is between π and 3 / 2π.

7. An annealing apparatus for heat treatment of coiled wire according to claim 1, characterized in that: Several cylindrical pads (15) are fixed to the base (1) inside the positioning frame (12), and the upper end of the pads (15) abuts against the bearing plate (21).

Images