Fastener quenching mechanism

By utilizing the combination of transmission rollers and rotating shafts in the fastener quenching mechanism, the fasteners are tumbled and heated evenly, solving the problem of uneven heating, improving quenching efficiency and pass rate, and reducing the maintenance cost of the convex strips.

CN224047438UActive Publication Date: 2026-03-27ANHUI HAIHENG AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing fastener quenching process suffers from uneven heating, resulting in low quenching efficiency and a low pass rate.

Method used

A fastener quenching mechanism was designed. The fastener is conveyed by a conveyor chain driven by a transmission roller. The fastener is tumbled by the impact of the convex strip on the rotating shaft with the conveyor chain. The fastener is then heated evenly by a flame-spraying mechanism and then rapidly cooled in a coolant.

Benefits of technology

It achieves uniform heating of fasteners, improves quenching efficiency and quenching qualification rate, and reduces the cost of replacing and maintaining the convex strip through a detachable disassembly and assembly mechanism.

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Abstract

The utility model discloses a fastener quenching mechanism which comprises racks which are connected through a support. According to the utility model, the first motor drives the transmission roller to rotate, the transmission roller drives the conveying chain belt to rotate, so that the conveying chain belt drives a fastener to pass through the interior of the furnace cover, and the fire spraying mechanism sprays high-temperature flame to carry out heat treatment on the fastener, and meanwhile, the second motor drives the rotating shafts on the two sides to rotate in the same direction; the rotating direction of the rotating shaft is opposite to that of the conveying chain belt, and when the rotating shaft rotates, the rotating shaft impacts the inner side of the conveying chain belt at high frequency through the convex strips, so that when the conveying chain belt passes through the interior of the furnace cover, vibration can be generated, and then the fasteners on the conveying chain belt are driven to roll over, so that the fasteners are uniformly heated; according to the quenching device for the fastening piece, non-uniform heating of the fastening piece is avoided, the quenching effect on the fastening piece is effectively improved, the heated fastening piece falls into cooling liquid, the fastening piece is rapidly cooled, and then quenching machining of the fastening piece is completed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fastener processing technical field, concretely is a fastener quenching mechanism. BACKGROUND

[0002] Fastener is also called as standard part on the market, it is a kind of mechanical element that two or more elements are fixed or bonded together mechanically, when fastener is processed, fastener needs to be quenched.

[0003] The quenching of fastener is divided into heating and cooling treatment, when existing fastener is heat treated, fastener is taken through the inside of heating furnace by conveying belt, fastener is heated by heating furnace, but it is found in use that fastener on conveying belt is in static state when heat treated, part fastener cannot be heated sufficiently, so that the heat treatment efficiency of fastener is poor, further makes the qualified rate of quenching lower, inconvenient to use, therefore we propose a kind of fastener quenching mechanism to solve the problems proposed. UTILITARY MODEL

[0004] The utility model aims at providing a kind of fastener quenching mechanism to solve the problems in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of fastener quenching mechanism, including rack, the rack is connected by support between the rack, the inside two ends of the rack are symmetrically connected with transmission roller, wherein,

[0006] Conveying chain belt is sleeved on the transmission roller, the outside of the rack corresponding transmission roller is equipped with first motor, the shaft end of the first motor is fixedly connected with transmission roller, the upper portion of the rack close to middle portion is equipped with furnace cover, the inside of the furnace cover is provided with the jet mechanism for quenching, the outside of the rack corresponding furnace cover inside is symmetrically connected with rotating shaft;

[0007] The second motor is installed on the outside of the rack corresponding rotating shaft, the shaft end of the second motor is fixedly connected with rotating shaft, the same end of the rotating shaft away from the second motor is all equipped with transmission gear, the transmission gear is connected by toothed belt between the transmission gear, the ring side of the rotating shaft is equidistantly equipped with convex strip, the convex strip is connected with rotating shaft by dismounting mechanism and can be detachably connected.

[0008] Preferably, the jet mechanism includes a fixed tube, the inside top of the furnace cover is equipped with a fixed tube, the top end of the fixed tube is communicated with a gas pipe in the middle, the bottom of the fixed tube is equidistantly communicated with a horizontal pipe, and the bottom of the horizontal pipe is equidistantly provided with a jet hole.

[0009] Preferably, the horizontal pipe and the fixed tube are perpendicular to each other.

[0010] Preferably, the gear pitch of the transmission gear is equal to the gear pitch of the tooth belt, and the transmission gear is engaged with the tooth belt.

[0011] Preferably, the dismounting mechanism comprises a mounting groove, the rotating shaft is symmetrically provided with the mounting groove near both sides of the convex strip, the convex strip is fixedly connected with a mounting rod on one side of the mounting groove, the inner wall of the rotating shaft corresponding to the mounting groove is provided with a lock rod groove, the mounting rod is provided with a lock groove on one side of the lock rod groove, the lock rod groove is provided with a lock rod, and the lock rod is provided with a screw hole on one end away from the mounting groove.

[0012] Preferably, the lock rod is a rectangular column, and the outer dimension of the lock rod is consistent with the inner dimension of the lock rod groove and the lock groove.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a first motor drives transmission roller to rotate, drives the conveyer chain belt to rotate through transmission roller, makes the conveyer chain belt with fastener pass through the inside of furnace cover, and the high-temperature flame is spouted to fastener through the spouting mechanism and carries out heat treatment, and simultaneously, second motor drives both sides rotating shafts to rotate in the same direction, and the rotating direction of rotating shaft is opposite with the rotating direction of conveyer chain belt, when rotating shaft rotates, through the high-frequency impact of convex strip inside conveyer chain belt through rotating shaft, when passing through the inside of furnace cover, the conveyer chain belt can vibrate, and then drives the fastener on it to tumble, so as to uniformly heat fastener, avoid uneven heating of fastener, effectively improve the quenching effect of fastener, and the fastener after heating falls into cooling liquid, carries out rapid cooling to fastener, and then completes the quenching processing of fastener.

[0015] When the convex strip needs to be replaced, the conveyer chain belt is first disassembled, the lock rod is moved out of the lock groove through the screw rod, the mounting rod is moved out of the inside of the mounting groove, the disassembly of the convex strip is completed, the convex strip is taken out and installed, the mounting rod is inserted into the inside of the mounting groove, the lock rod groove and the lock groove are matched, the screw rod is rotated in reverse, the lock rod is inserted into the lock groove through the threaded connection, the fixing of the convex strip is completed, the dismounting mechanism is arranged, the convex strip on the rotating shaft can be replaced alone, and the maintenance cost of the worn convex strip is effectively saved. ACCURACY OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a partial sectional view structural schematic diagram of the utility model;

[0018] Figure 3 It is a rack three-dimensional structural schematic diagram of the utility model;

[0019] Figure 4 For the utility model Figure 2 Local amplification structure schematic view of A in the middle.

[0020] In the figure: 1, rack; 2, support; 3, transmission roller; 4, conveying chain belt; 5, first motor; 6, furnace cover; 7, fixed tube; 8, gas pipe; 9, transverse pipe; 10, injection hole; 11, rotating shaft; 12, second motor; 13, transmission gear; 14, toothed belt; 15, convex strip; 16, mounting groove; 17, mounting rod; 18, lock rod slot; 19, lock slot; 20, lock rod; 21, screw hole; 22, screw rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a fastener quenching mechanism, including rack 1, rack 1 is connected by support 2 between, rack 1 inner side both ends are symmetrically rotatably connected with transmission roller 3, wherein,

[0023] Transmission roller 3 is sleeved with conveying chain belt 4, first motor 5 is installed on the outside of rack 1 corresponding transmission roller 3, the shaft end of first motor 5 is fixedly connected with transmission roller 3, furnace cover 6 is installed on the upper side of the proximal middle of rack 1, spraying mechanism for quenching is arranged in the inner side of furnace cover 6, rotating shaft 11 is rotatably connected between the inner side of furnace cover 6 corresponding rack 1 symmetrically;

[0024] Second motor 12 is installed on the outside of rack 1 corresponding rotating shaft 11, the shaft end of second motor 12 is fixedly connected with rotating shaft 11, transmission gear 13 is installed on the same end of rotating shaft 11 away from second motor 12, transmission gear 13 is connected by toothed belt 14 between, equidistantly installing convex strip 15 on the ring side of rotating shaft 11, and convex strip 15 and rotating shaft 11 form detachable connection by dismounting mechanism;

[0025] The first motor 5 drives the transmission roller 3 to rotate, and the transmission roller 3 drives the conveying chain belt 4 to rotate, so that the conveying chain belt 4 carries the fastener through the inside of the furnace cover 6, and the high-temperature flame is sprayed out through the flame spraying mechanism to heat treat the fastener. Meanwhile, the second motor 12 drives the two side shafts 11 to rotate in the same direction, and the rotating direction of the shaft 11 is opposite to the rotating direction of the conveying chain belt 4. When the shaft 11 rotates, the high-frequency impact of the convex strip 15 on the inside of the conveying chain belt 4 is achieved through the shaft 11, so that the conveying chain belt 4 can vibrate when passing through the inside of the furnace cover 6, and the fastener on the conveying chain belt 4 is rolled to uniformly heat the fastener, avoid uneven heating of the fastener, effectively improve the quenching effect of the fastener, and the heated fastener falls into the cooling liquid (the present scheme improves the heat treatment and does not improve the cooling, so the existing cooling equipment is directly used, and the details are not recorded), and the fastener is quickly cooled to complete the quenching of the fastener.

[0026] Please refer to Figures 1 to 4 The flame spraying mechanism includes a fixed pipe 7, and the inside top of the furnace cover 6 is provided with the fixed pipe 7. The top end of the fixed pipe 7 is communicated with a gas pipe 8 in the middle, and the bottom of the fixed pipe 7 is communicated with a transverse pipe 9 at equal intervals. The bottom of the transverse pipe 9 is provided with a spray hole 10 at equal intervals, and the transverse pipe 9 is perpendicular to the fixed pipe 7. The combustible gas enters the fixed pipe 7 through the gas pipe 8, and then is sprayed out through the spray hole 10 of the transverse pipe 9. After the sprayed gas is ignited, the uniform high-temperature flame can be formed through the uniformly distributed spray hole 10, so as to conveniently heat the fastener uniformly.

[0027] Please refer to Figures 1 to 4The pitch of the transmission gear 13 is equal to the pitch of the toothed belt 14, and the transmission gear 13 is engaged with the toothed belt 14, the dismounting mechanism comprises a mounting groove 16, the rotating shaft 11 is symmetrically provided with the mounting groove 16 near both sides of the convex strip 15, the convex strip 15 is fixedly connected with a mounting rod 17 on one side corresponding to the mounting groove 16, the rotating shaft 11 is provided with a lock rod groove 18 on the inner wall corresponding to the mounting groove 16, the mounting rod 17 is provided with a lock groove 19 on one side corresponding to the lock rod groove 18, the lock rod groove 18 is provided with a lock rod 20, the lock rod 20 is provided with a threaded hole 21 on one end away from the mounting groove 16, the threaded hole 21 is threadedly connected with a screw rod 22, one end of the screw rod 22 away from the lock rod 20 penetrates through the inside of the rotating shaft 11 and extends to the outside, the lock rod 20 is a rectangular column, and the outer dimension of the lock rod 20 is consistent with the inner dimension of the lock rod groove 18 and the lock groove 19, when the convex strip 15 needs to be replaced due to wear, the conveying chain belt 4 is first dismounted, the lock rod 20 is driven out of the lock groove 19 through the screw rod 22, so that the mounting rod 17 is moved out of the inside of the mounting groove 16, the convex strip 15 is dismounted, the convex strip 15 is taken out and mounted, the mounting rod 17 is inserted into the inside of the mounting groove 16, and the convex strip 15 is driven, the lock rod groove 18 and the lock groove 19 are opposite to each other, and the screw rod 22 is reversely rotated, so that the screw rod 22 is driven into the lock groove 19 through the threaded connection, and the convex strip 15 is fixed. Through the dismounting mechanism, the convex strip 15 on the rotating shaft 11 can be replaced alone, and the maintenance cost of the convex strip 15 after wear is effectively saved.

[0028] Working principle: the fastener quenching mechanism, the first motor 5 drives the transmission roller 3 to rotate, the conveying chain belt 4 is driven to rotate through the transmission roller 3, the conveying chain belt 4 carries the fastener through the inside of the furnace cover 6, high-temperature flame is sprayed through the flame spraying mechanism to heat treat the fastener, at the same time, the second motor 12 drives the two rotating shafts 11 to rotate in the same direction, and the rotating direction of the rotating shaft 11 is opposite to the rotating direction of the conveying chain belt 4, when the rotating shaft 11 rotates, the convex strip 15 on the rotating shaft 11 high-frequency impacts the inside of the conveying chain belt 4, so that the conveying chain belt 4 can vibrate when passing through the inside of the furnace cover 6, and the fastener on the conveying chain belt 4 is rolled to uniformly heat the fastener, avoid uneven heating of the fastener, effectively improve the quenching effect of the fastener, and the heated fastener falls into the cooling liquid (the present scheme improves the heat treatment, and does not improve the cooling, so the existing cooling equipment is directly used, and is not described in detail), the fastener is rapidly cooled, and the quenching of the fastener is completed;

[0029] Combustible gas enters into the fixed pipe 7 through the gas pipe 8, then is sprayed out through the spray hole 10 of the transverse pipe 9, after igniting the sprayed gas, through the evenly distributed spray hole 10, a uniform high temperature flame can be formed, and then uniform heating of the fastener is facilitated, and when the convex strip 15 needs to be replaced due to wear, the conveying chain belt 4 is first disassembled, the lock rod 20 is driven to move out of the lock groove 19 through the screw rod 22, the mounting rod 17 can be moved out of the inside of the mounting groove 16, the disassembly of the convex strip 15 is completed, the convex strip 15 is taken out and needs to be installed, the convex strip 15 drives the mounting rod 17 to be inserted into the inside of the mounting groove 16, after the lock rod groove 18 and the lock groove 19 are locked, the screw rod 22 is reversely rotated, the screw rod 22 drives the lock rod 20 to be inserted into the lock groove 19 through the threaded connection, the convex strip 15 can be fixed, through the disassembly and assembly mechanism, the convex strip 15 on the rotating shaft 11 can be replaced alone, the maintenance cost after the wear of the convex strip 15 is effectively saved.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A fastener quenching mechanism comprising a frame (1), characterised in that: The rack (1) is connected by a support (2), the rack (1) is symmetrically rotatably connected with a transmission roller (3) at both ends of the inner side, wherein, The transmission roller (3) is sleeved with a conveying chain belt (4), the rack (1) is provided with a first motor (5) on the outer side corresponding to the transmission roller (3), the shaft end of the first motor (5) is fixedly connected with the transmission roller (3), the rack (1) is provided with a furnace cover (6) on the upper side near the middle part, the inner side of the furnace cover (6) is provided with a fire spraying mechanism for quenching, the rack (1) is symmetrically rotatably connected with a rotating shaft (11) between the inner sides corresponding to the furnace cover (6); The rack (1) is provided with a second motor (12) on the outer side corresponding to the rotating shaft (11), the shaft end of the second motor (12) is fixedly connected with the rotating shaft (11), the same end of the rotating shaft (11) away from the second motor (12) is provided with a transmission gear (13), the transmission gears (13) are connected by a toothed belt (14), the rotating shaft (11) is provided with a convex strip (15) at equal intervals on the ring side, and the convex strip (15) is detachably connected with the rotating shaft (11) through a dismounting mechanism.

2. A fastener quench mechanism according to claim 1 wherein: The fire spraying mechanism comprises a fixed pipe (7), the inner top of the furnace cover (6) is provided with the fixed pipe (7), the top end of the fixed pipe (7) is communicated with a gas pipe (8) in the middle part, the bottom of the fixed pipe (7) is communicated with a transverse pipe (9) at equal intervals, and the bottom of the transverse pipe (9) is provided with a spray hole (10) at equal intervals.

3. A fastener quench mechanism according to claim 2 wherein: The transverse pipe (9) and the fixed pipe (7) are arranged perpendicularly to each other.

4. The fastener quench mechanism of claim 1, wherein: The pitch of the transmission gear (13) is equal to the pitch of the toothed belt (14), and the transmission gear (13) is engaged with the toothed belt (14).

5. The fastener quench mechanism of claim 1, wherein: The dismounting mechanism comprises a mounting groove (16), the rotating shaft (11) is symmetrically provided with the mounting groove (16) on both sides near the convex strip (15), the convex strip (15) is fixedly connected with a mounting rod (17) on one side corresponding to the mounting groove (16), the rotating shaft (11) is provided with a lock rod groove (18) on the inner wall corresponding to the mounting groove (16), the mounting rod (17) is provided with a lock groove (19) on one side corresponding to the lock rod groove (18), the lock rod groove (18) is provided with a lock rod (20), the lock rod (20) is provided with a threaded hole (21) on one end away from the mounting groove (16), the threaded hole (21) is threadedly connected with a screw rod (22), and one end of the screw rod (22) away from the lock rod (20) penetrates the inside of the rotating shaft (11) and extends to the outside.

6. A fastener quenching mechanism according to claim 5 wherein: The lock rod (20) is a rectangular column, and the outer dimension of the lock rod (20) is consistent with the inner dimensions of the lock rod groove (18) and the lock groove (19).