Continuous tempering device for high-strength nut production

Abstract

The utility model discloses a continuous tempering device for production of high-strength nuts, which comprises a frame, a preheating chamber and a tempering chamber are sequentially arranged on the frame rightwards along the length direction of the frame, a rotary conveying mechanism is arranged in the frame, a material turning mechanism is arranged between the preheating chamber and the tempering chamber, and the preheating chamber and the tempering chamber are arranged on the frame. The rotating conveying mechanism comprises a driving motor, a driving roller, a driven roller, a stainless steel conveying mesh belt, a plurality of bases, a plurality of rotating shafts, a plurality of bearing seats and a plurality of grooves. The nut heating device has the advantages that high-strength nuts are sequentially placed in the bearing seats, the stainless steel conveying mesh belt drives the bearing seats to move and can drive the bearing seats to rotate in cooperation with a set of staggered strip-shaped racks, and therefore the nuts in the bearing seats are heated more evenly; the preheating chamber firstly preheats the nut, the nut in the bearing seat is overturned by 180 degrees in cooperation with the material overturning mechanism, uneven heating of the bottom of the nut is prevented, and the subsequent tempering treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut production technical field, concretely to a kind of continuous tempering device for high-strength nut production. BACKGROUND

[0002] High-strength nut is the nut of high performance grade, belongs to a kind of standard parts, generally refers to the nut above 8 levels or special standard nut. High-strength nut is mainly used in the connection of some important mechanical equipment, especially repeatedly disassembled and assembled and various assembly methods are particularly high to the requirement of nut. The working principle of high-strength nut connection is to intentionally apply great pre-tension to bolt, so that extrusion force is generated between the contact surfaces of the connected parts, and there is great friction force perpendicular to the screw rod direction, and the connection shear force is transmitted by relying on this friction force.

[0003] High-strength nut needs to be tempered during production, which refers to the heat treatment process of reheating the quenched nut to below the critical temperature, maintaining for a certain time and then slowly cooling. Generally, conveying mesh belt tempering furnace is used to realize continuous tempering treatment of nut, however, since the single volume of high-strength nut is generally large, and is placed on stainless steel conveying mesh belt, it is easy to cause uneven heating of nut, affecting the tempering effect.

[0004] It should be noted that the above content belongs to the technical cognition of the inventor and does not necessarily constitute the prior art. CONTENT OF UTILITY MODEL

[0005] In view of the above defects, the utility model provides a kind of continuous tempering device for high-strength nut production to solve the problem of continuous tempering of high-strength nut.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A kind of continuous tempering device for high-strength nut production, including rack, the preheating chamber and the tempering chamber are sequentially arranged to the right along the length direction of rack, rotating conveying mechanism is arranged in the rack, and turnover mechanism is arranged between preheating chamber and tempering chamber;

[0008] Rotating conveying mechanism includes driving motor, driving roller, driven roller, stainless steel conveying mesh belt, several bases, several rotating shafts, several bearing seats and several grooves, the driving motor is horizontally installed at the left side of rear end of rack, the driving roller is movably inserted in the left side of rack, and the rear end is connected with the rotating end of driving motor, the driven roller is movably inserted in the right side of rack, the stainless steel conveying mesh belt is sleeved on driving roller and driven roller, several bases are evenly installed on stainless steel conveying mesh belt, several rotating shafts are movably installed on several bases, several bearing seats are installed on the upper end of several rotating shafts, and several grooves are opened in the top of several bearing seats.

[0009] Further, the material turning mechanism comprises a material turning motor, a material turning shaft, a mounting plate, a wide finger air cylinder and a plurality of clamping plates, the material turning motor is horizontally installed at the front end of the rack, the material turning shaft is installed on the rotating end of the material turning motor, the mounting plate is installed on the left side of the material turning shaft, the wide finger air cylinder is horizontally installed on the mounting plate, and the plurality of clamping plates are installed on the telescopic ends on both sides of the wide finger air cylinder.

[0010] Further, arc-shaped grooves are formed in the plurality of clamping plates respectively.

[0011] Further, the rotating end of the driving motor is connected with the driving roller through an intermittent gear set.

[0012] Further, a plurality of staggered strip-shaped racks are installed on both sides of the rack, and a plurality of transmission gear rings meshing with the plurality of staggered strip-shaped racks are respectively installed on the outer surfaces of the plurality of bearing seats.

[0013] Further, the tempering chamber is provided with a heating zone and a cooling zone respectively.

[0014] The utility model provides a kind of continuous tempering device for high-strength nut production, with the following beneficial effects, by being located in rack and being equipped with rotating conveying mechanism, high-strength nut is placed in a plurality of bearing seats in sequence, while a plurality of bearing seats are moved by stainless steel conveying mesh belt, cooperate with a plurality of staggered strip-shaped racks, can drive bearing seat to rotate, so that the nut in bearing seat is heated more evenly;Preheating chamber is first preheated to nut, cooperate with material turning mechanism and turn over 180 ° the nut in bearing seat, prevent the uneven heating of nut bottom, improve subsequent tempering effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the continuous tempering device for high-strength nut production.

[0016] Figure 2 It is a top view of the stainless steel conveying mesh belt.

[0017] Figure 3 It is a driving motor transmission schematic view.

[0018] Figure 4 It is a bearing seat installation schematic view.

[0019] Figure 5 It is a material turning mechanism schematic view.

[0020] In the figure: 1, rack; 2, preheating chamber; 3, tempering chamber; 4, drive motor; 5, drive roller; 6, driven roller; 7, stainless steel conveying mesh belt; 8, base; 9, rotating shaft; 10, bearing seat; 11, groove; 12, turnover motor; 13, turnover shaft; 14, mounting plate; 15, wide finger cylinder; 16, clamping plate; 17, arc-shaped groove; 18, intermittent gear set; 19, strip-shaped rack; 20, transmission gear ring. DETAILED DESCRIPTION

[0021] The utility model is specifically described below in combination with the drawings, such as Figures 1-5 A kind of continuous tempering device for high-strength nut production, including rack 1, the preheating chamber 2 and the tempering chamber 3 are sequentially arranged on the rack 1 along its length direction right, rotating conveying mechanism is equipped in the rack 1, turnover mechanism is equipped between preheating chamber 2 and the tempering chamber 3;Rotating conveying mechanism includes drive motor 4, drive roller 5, driven roller 6, stainless steel conveying mesh belt 7, several bases 8, several rotating shafts 9, several bearing seats 10 and several grooves 11, the drive motor 4 is horizontally installed in the left side of rack 1 rear end, the drive roller 5 is movably inserted in the left side of rack 1, and rear end is connected with the rotating end of drive motor 4, the driven roller 6 is movably inserted in the right side of rack 1, the stainless steel conveying mesh belt 7 is sleeved on drive roller 5 and driven roller 6, several bases 8 are evenly installed on stainless steel conveying mesh belt 7, several rotating shafts 9 are movably installed on several bases 8, several bearing seats 10 are installed on the upper end of several rotating shafts 9, and several grooves 11 are opened in the top of several bearing seats 10;Turnover mechanism includes turnover motor 12, turnover shaft 13, mounting plate 14, wide finger cylinder 15 and a set of clamping plates 16, the turnover motor 12 is horizontally installed on the front end of rack 1, the turnover shaft 13 is installed on the rotating end of turnover motor 12, the mounting plate 14 is installed on the left side of turnover shaft 13, the wide finger cylinder 15 is horizontally installed on mounting plate 14, and a set of clamping plates 16 are installed on the telescopic end of wide finger cylinder 15 two sides;A set of clamping plates 16 are respectively provided with arc-shaped grooves 17;The rotating end of drive motor 4 and drive roller 5 are connected by intermittent gear set 18 transmission;A set of staggered strip-shaped racks 19 are installed on the both sides in the rack 1, and the outer surfaces of several bearing seats 10 are respectively provided with transmission gear rings 20 engaged with a set of staggered strip-shaped racks 19;The heating zone and cooling zone are respectively arranged in the tempering chamber 3.

[0022] The working principle of the embodiment is as follows: the electrical equipment used by the device is controlled by the external controller, when in use, the user first places the high-strength nut bottom in several bearing seats in sequence;

[0023] During rotational conveying: the drive motor 4 is horizontally mounted on the left side of the rear end of the frame 1; the drive roller 5 is movably inserted into the left side of the frame 1 via a fastening bearing, and its rear end is connected to the rotating end of the drive motor 4; the driven roller 6 is movably inserted into the right side of the frame 1 via a fastening bearing; the stainless steel conveyor belt 7 is fitted onto the drive roller 5 and the driven roller 6; several bases 8 are evenly mounted on the stainless steel conveyor belt 7; several rotating shafts 9 are movably mounted on several bases 8 via fastening bearings; several bearing seats 10 are mounted on the upper ends of several rotating shafts 9; several grooves 11 are opened in the top of several bearing seats 10; the rotating end of the drive motor 4 is connected to the drive roller 5 via an intermittent gear set 18; a set of interlaced racks 19 are installed on both sides of the frame 1; and transmission gear rings 20 that mesh with the set of interlaced racks 19 are respectively installed on the outer surface of several bearing seats 10. Figure 2 — Figure 4 As shown, the drive motor 4 first drives several bearing seats 10 to convey intermittently through the stainless steel conveyor belt 7. A set of interlaced racks 19 are located in the preheating chamber 2 and the tempering chamber 3 respectively. When the bearing seat 10 passes through a set of interlaced racks 19, it can be driven to rotate through the transmission gear ring 20, so that the high-strength nut in the bearing seat 10 is heated more evenly.

[0024] During material turning: The material turning motor 12 is horizontally mounted on the front end of the frame 1, the material turning shaft 13 is mounted on the rotating end of the material turning motor 12, the mounting plate 14 is mounted on the left side of the material turning shaft 13, the wide-type finger cylinder 15 is horizontally mounted on the mounting plate 14, and a set of clamping plates 16 are mounted on the telescopic ends on both sides of the wide-type finger cylinder 15. Each set of clamping plates 16 has an arc-shaped groove 17. Figure 5 As shown, the tempering chamber 3 is equipped with a heating zone and a cooling zone, and the preheating chamber 2 is equipped with heating elements. The nut is preheated first. When the nut moves between a set of clamping plates 16, the telescopic end of the wide-type finger cylinder 15 retracts and clamps the nut through a set of clamping plates 16. Then, the turning motor 12 turns the nut 180° through the turning shaft 13 into the empty bearing seat 10 at the rear end to prevent uneven heating of the bottom of the nut and improve the effect of subsequent tempering treatment.

[0025] The above technical solution only embodies the preferred technical solution of this utility model. Any changes that may be made by those skilled in the art to certain parts of it embody the principle of this utility model and fall within the protection scope of this utility model.

Claims

1. A continuous tempering device for producing high-strength nuts, comprising a frame (1), wherein a preheating chamber (2) and a tempering chamber (3) are sequentially arranged to the right along the length of the frame (1), characterized in that, The frame (1) is equipped with a rotating conveying mechanism, and a material turning mechanism is provided between the preheating chamber (2) and the tempering chamber (3); The rotating conveying mechanism includes a drive motor (4), a drive roller (5), a driven roller (6), a stainless steel conveyor belt (7), several bases (8), several rotating shafts (9), several bearing seats (10), and several grooves (11). The drive motor (4) is horizontally installed on the left side of the rear end of the frame (1). The drive roller (5) is movably inserted into the left side of the frame (1), and its rear end is connected to the rotating end of the drive motor (4). The driven roller (6) is movably inserted into the right side of the frame (1). The stainless steel conveyor belt (7) is fitted on the drive roller (5) and the driven roller (6). Several bases (8) are evenly installed on the stainless steel conveyor belt (7). Several rotating shafts (9) are movably installed on several bases (8). Several bearing seats (10) are installed on the upper end of several rotating shafts (9). Several grooves (11) are opened in the top of several bearing seats (10).

2. The continuous tempering device for producing high-strength nuts according to claim 1, characterized in that, The material turning mechanism includes a material turning motor (12), a material turning shaft (13), a mounting plate (14), a wide-type finger cylinder (15), and a set of clamping plates (16). The material turning motor (12) is horizontally mounted on the front end of the frame (1). The material turning shaft (13) is mounted on the rotating end of the material turning motor (12). The mounting plate (14) is mounted on the left side of the material turning shaft (13). The wide-type finger cylinder (15) is horizontally mounted on the mounting plate (14). A set of clamping plates (16) is mounted on the telescopic ends on both sides of the wide-type finger cylinder (15).

3. The continuous tempering device for producing high-strength nuts according to claim 2, characterized in that, An arc-shaped groove (17) is opened in the interior of a set of clamping plates (16).

4. The continuous tempering device for producing high-strength nuts according to claim 1, characterized in that, The rotating end of the drive motor (4) is connected to the drive roller (5) via an intermittent gear set (18).

5. The continuous tempering device for producing high-strength nuts according to claim 1, characterized in that, The frame (1) has a set of interlaced racks (19) installed on both sides, and several bearing seats (10) have transmission gear rings (20) that mesh with the set of interlaced racks (19) installed on their outer surfaces.

6. The continuous tempering device for producing high-strength nuts according to claim 1, characterized in that, The tempering chamber (3) is equipped with a heating zone and a cooling zone.

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