CN211256024U

CN211256024U - Motorcycle sprocket quenching equipment

Info

Publication number: CN211256024U
Application number: CN201922445587.8U
Authority: CN
Inventors: 戴乃春
Original assignee: Wenzhou Yurun Vehicle Industry Parts Co ltd
Current assignee: Wenzhou Yurun Automobile Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-14
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a motorcycle sprocket quenching equipment. The quenching equipment for the motorcycle chain wheel comprises a base, wherein the base comprises a longitudinal support column, a transverse support arm, an operating box and a fixed seat, an electric induction heating head and a cooling spray pipe are arranged at the bottom of the operating box, the electric induction heating head comprises a chain tooth sleeve, an induction heating coil and a temperature inductor, the induction heating coil and the temperature inductor are both located inside the chain tooth sleeve, a clamping hand is arranged on the fixed seat, a limiting clamping hand is arranged below one side of the clamping hand, and the limiting clamping hand is in transmission connection with a lifting power source driving the limiting clamping hand to move up and down. The quenching equipment for the motorcycle sprocket quenches the sprocket through the induction heating coil in the sprocket sleeve, so that the uniformity of the heating surface of the sprocket is improved, and the depth of a quenching layer is consistent.

Description

Motorcycle sprocket quenching equipment

Technical Field

The utility model belongs to the quenching equipment field especially relates to motorcycle sprocket quenching equipment.

Background

The sprocket is the important part that the industry conveying equipment used a large amount of such as building materials, metallurgy, steel, chemical industry, and the like used, and the motorcycle sprocket mainly is used on motorcycle transmission part, in order to improve life, need carry out heat treatment to the teeth of a cogwheel surface to improve its hardness, increase its wearability, but current sprocket quenching equipment has the shortcoming, for example: the heating surface is not uniform due to the flame heating quenching mode, the depth of a quenching layer of the sprocket teeth is easily inconsistent, the resolution is not accurate when the positioning and transposition are carried out in the induction heating mode, the quenching surface of the sprocket teeth is easily lost or repeatedly quenched, the surface quality is unbalanced and unstable, and the service life of the sprocket is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the utility model discloses the innovation provides motorcycle sprocket quenching equipment.

The quenching equipment for the motorcycle chain wheel comprises a base, wherein the base comprises a longitudinal support column, a transverse support arm, an operating box and a fixed seat, an electric induction heating head and a cooling spray pipe are arranged at the bottom of the operating box, the electric induction heating head comprises a chain tooth sleeve, an induction heating coil and a temperature inductor, the induction heating coil and the temperature inductor are both located inside the chain tooth sleeve, a clamping hand is arranged on the fixed seat, a limiting clamping hand is arranged below one side of the clamping hand, and the limiting clamping hand is in transmission connection with a lifting power source driving the limiting clamping hand to move up and down.

The chain tooth sleeve is M-shaped, the chain tooth sleeve is matched with two adjacent chain teeth of the chain wheel, the induction heating coils are distributed on the inner surface of the chain tooth sleeve, positive and negative connecting ends are arranged at included angles of two sides of the chain tooth sleeve, and a socket end of a temperature sensor is arranged on a V-shaped angle of the chain tooth sleeve.

The limiting clamp comprises a left clamping rod and a right clamping rod, a reset spring is arranged at the hinged end of the left clamping rod and the hinged end of the right clamping rod, pulleys are arranged at the clamping head end of the left clamping rod and the clamping head end of the right clamping rod, a pressure spring is arranged between the limiting clamp and a lifting power source, a sleeve is sleeved outside the pressure spring, and a limiting ring for limiting the separation of the sleeve is arranged at the bottom of the limiting clamp.

And a heat insulation layer is arranged between the chain tooth sleeve and the induction heating coil.

The clamping head end of the left clamping rod and the clamping head end of the right clamping rod are provided with inclined planes which are inclined towards two sides.

The tong is the level setting, the tong comprises base and clamping jaw, be equipped with the rank groove on the lateral wall of clamping jaw, the clamping jaw is connected with the translation power supply transmission that the drive clamping jaw removed inside and outside on the base, the base is connected with the rotation power supply transmission of drive base.

According to the utility model provides a motorcycle sprocket quenching equipment quenches the sprocket through induction heating coil in the sprocket cover, and it is even to have improved the heating surface of sprocket, and the degree of depth on quenching layer is unanimous, and the spacing of below is cut somebody's turn to do and is simply effectual spacing live the sprocket, and the cooperation that has improved location, when transposition degree accuracy and both these subassemblies can be suitable for not unidimensional sprocket and quench.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

FIG. 2 is a schematic illustration of sprocket quench.

FIG. 3 is a schematic view of the fixing base and the sprocket.

Detailed Description

The quenching mode in the existing chain wheel quenching equipment is two, one is a flame heating quenching mode which can cause uneven heating surface and easily cause inconsistent depth of a quenching layer of the teeth of the chain wheel, and the other is an induction heating mode which has inaccurate positioning and transposition time division and easily causes the loss or repeated quenching of the quenching surface of the teeth of the chain wheel, so that the surface quality is unbalanced and unstable, and the service life of the chain wheel is seriously influenced; therefore, the utility model relates to a motorcycle sprocket quenching machine tool, the concrete structure is shown in figures 1-3, comprising a machine base 1, the machine base 1 comprises a longitudinal support post 2, a transverse support arm 3, an operation box 4 and a fixed seat 5, the bottom 4 of the operation box is provided with an electric induction heating head 6 and a cooling spray pipe 7 (the inside of the general operation box 4 mainly comprises a control center and circuit boards, but the inside of the operation box 4 is also provided with a water pump and a telescopic rod 41 for stretching the electric induction heating head 6 to lift), the cooling water sprayed by the cooling spray pipe 7 can rapidly cool the quenched sprocket to achieve the purpose of quenching, the electric induction heating head 6 comprises a sprocket sleeve 8, an induction heating coil and a temperature sensor, the temperature sensor detects whether the stability in the sprocket sleeve 8 reaches the quenching temperature value after the induction heating coil is heated, the induction heating coil and the temperature sensor are both positioned in the sprocket sleeve 8, the fixed seat 5 is provided with a clamping hand 9, a limiting clamping hand 10 is arranged below one side of the clamping hand 9, the limiting clamping hand 10 can accurately position and clamp the sprocket teeth of the sprocket, the sprocket does not move in the quenching process, and the limiting clamping hand 10 is in transmission connection with a lifting power source (cylinder) for driving the limiting clamping hand 10 to move up and down.

As is well known, the shape of two adjacent sprockets of the motorcycle sprocket is M-shaped, so in order to enable the sprocket sleeve 8 to be accurately and completely sleeved on the sprockets, the sprocket sleeve 8 is M-shaped, the sprocket sleeve 8 is matched with the two adjacent sprockets of the sprocket, the induction heating coil is distributed on the inner surface of the sprocket sleeve 8, the included angle of two sides of the sprocket sleeve 8 is provided with a positive connecting end and a negative connecting end 12, the positive connecting end and the negative connecting end 12 are connected with the induction heating coil (the principle of induction heating is that a hollow copper pipe with medium-frequency or high-frequency alternating current of 300 and 300000Hz or higher is input to generate an alternating magnetic field to generate induced current with the same frequency in a workpiece, the induced current is non-uniformly distributed on the workpiece, the surface is strong, the inner part is weak, the center part is close to 0, the surface of the workpiece can be rapidly heated by utilizing the skin effect, the temperature, and the temperature rise of the core is small), the V-shaped corner of the sprocket sleeve 8 is provided with a socket end 13 of a temperature sensor.

Spacing tong 10 includes left clamping bar 14 and right clamping bar 15, left clamping bar 14 is equipped with reset spring 16 with the hinged end of right clamping bar 15 (this spacing tong 10 is just similar to the clip), the centre gripping head end of left clamping bar 14 all is equipped with pulley 19 with the centre gripping head end of right clamping bar 15, be equipped with pressure spring 17 between spacing tong 10 and the 11 (cylinders) of lift power supply, pressure spring 17 overcoat is equipped with sleeve 18, spacing tong 10 bottom is equipped with spacing ring 20 that restriction sleeve 18 deviates from, spacing principle is: after the chain wheel rotates for a certain angle, the cylinder drives the sleeve 18 to move upwards, the pressure spring 17 in the sleeve 18 can push the limiting clamp 10 upwards, the upward driving distance of the cylinder is limited, the cylinder cannot completely crush the pressure spring 17, therefore, when the limiting clamp 10 moves upwards, the chain wheel can downwards support the limiting clamp 10, the pressure spring 17 can upwards support the limiting clamp 10, the left clamping rod 14 and the right clamping rod 15 of the limiting clamp 10 can be unfolded due to the action of the pulley 19, and the chain wheel is well limited not to move.

In order to prevent the chain tooth sleeve 8 from being affected by the high temperature generated by the induction heating coil, a heat insulation layer is arranged between the chain tooth sleeve 8 and the induction heating coil.

The clamping head end of the left clamping rod 14 and the clamping head end of the right clamping rod 15 are provided with inclined planes 21 which incline towards two sides, so that the limiting clamp 10 can clamp the chain teeth and can also be positioned in a tooth groove between adjacent chain teeth to play a limiting role.

As shown in fig. 3, the gripper 9 is horizontally disposed, the gripper 9 is composed of a base 91 and a clamping jaw 92, a step groove 22 is disposed on an outer side wall of the clamping jaw 92, the clamping jaw 92 is connected with a translation power source (cylinder or screw) for driving the clamping jaw 92 to move inside and outside the base 91, and the base 91 is connected with a rotation power source (cylinder) for driving the base 91.

The transverse support arm 3 can be connected to the longitudinal support column 2 in a vertically movable manner (in a manual mode, the whole transverse support arm 3 can be vertically moved only by rotating the first handle 23, the connection relationship between the two is the prior art, and the principle of a jack can also be the principle of a coupler), and the operation box 4 can be connected to the transverse support arm 3 in a horizontally movable manner (in a manual mode, the operation box 4 can be horizontally moved on the slide rail 25 only by rotating the second handle 24, and the connection relationship between the two is also the prior art).

From above, this quenching machine tool can be suitable for quenching not unidimensional sprocket, when the sprocket of sprocket was too close, can pull down sprocket cover 8, change suitable sprocket cover 8 aim at positive negative pole link 12 and temperature-sensing ware spigot end 13 can, and spacing tong 10 of below can adapt to not unidimensional sprocket owing to pulley 19's setting, as long as left clamping bar 14 and right clamping bar 15 can open the back of withstanding through pulley 19, can both play a spacing effect.

Claims

1. Motorcycle sprocket quenching equipment, including frame (1), including longitudinal support post (2), horizontal support arm (3), control box (4) and fixing base (5), its characterized in that on frame (1): operation box (4) bottom is equipped with electric induction heating head (6) and cooling jet (7), electric induction heating head (6) are including sprocket cover (8), induction heating coil and temperature-sensing ware all are located inside sprocket cover (8), be equipped with tong (9) on fixing base (5), one side below of tong (9) is equipped with spacing tong (10), spacing tong (10) are connected with lift power supply (11) transmission that drive spacing tong (10) reciprocated.

2. The motorcycle sprocket quenching apparatus as set forth in claim 1, wherein: chain tooth cover (8) are the M type, chain tooth cover (8) and the two adjacent sprocket phase-matchs of sprocket, induction heating coil distributes on chain tooth cover (8) internal surface, the both sides contained angle department of chain tooth cover (8) is equipped with positive negative pole link (12), be equipped with socket end (13) of temperature-sensing ware on the V-arrangement angle of chain tooth cover (8).

3. The motorcycle sprocket quenching apparatus as set forth in claim 1, wherein: spacing tong (10) are including left clamping bar (14) and right clamping bar (15), left side clamping bar (14) are equipped with reset spring (16) with the hinged end of right clamping bar (15), the centre gripping head end of left side clamping bar (14) and the centre gripping head end of right clamping bar (15) all are equipped with pulley (19), be equipped with pressure spring (17) between spacing tong (10) and lift power supply (11), pressure spring (17) overcoat is equipped with sleeve (18), spacing tong (10) bottom is equipped with spacing ring (20) that restriction sleeve (18) deviate from.

4. The motorcycle sprocket quenching apparatus as set forth in claim 2, wherein: and a heat insulation layer is arranged between the sprocket sleeve (8) and the induction heating coil.

5. The motorcycle sprocket quenching apparatus as set forth in claim 3, wherein: the clamping head end of the left clamping rod (14) and the clamping head end of the right clamping rod (15) are both provided with inclined planes (21) which incline towards two sides.

6. The motorcycle sprocket quenching apparatus as set forth in claim 1, wherein: tong (9) are the level setting, tong (9) comprise base (91) and clamping jaw (92), be equipped with on the lateral wall of clamping jaw (92) and step groove (22), clamping jaw (92) are connected with the translation power supply transmission that drive clamping jaw (92) removed inside and outside on base (91), base (91) are connected with the rotation power supply transmission of drive base (91).