CN112981086A

CN112981086A - Quenching device for bearing ring production

Info

Publication number: CN112981086A
Application number: CN202110194733.3A
Authority: CN
Inventors: 岳厚铁
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-21
Filing date: 2021-02-21
Publication date: 2021-06-18

Abstract

The invention discloses a quenching device for bearing ring production, and relates to the technical field of heat treatment; the problem of low clamping efficiency is solved; the novel quenching machine comprises a machine base, wherein a main moving mechanism is arranged on the outer wall of the top of the machine base, a rotating mechanism is arranged on the outer wall of the top of the main moving mechanism, a clamping mechanism is arranged on the outer wall of the top of the rotating mechanism, a quenching box body is fixed on the outer wall of the top of the machine base through bolts, a quenching box cover is connected to the inner wall of the quenching box body in a sliding mode, the clamping mechanism comprises a rotary base, an L-shaped clamping arm and a clamping jaw, two multi-sinking hinged plates are fixed on the outer wall of each rotary base through bolts, the outer wall of the bottom of each L-shaped clamping arm is connected to the outer wall of each hinged plate in a rotating mode, the outer wall of the top of each L-. The invention does not need manual additional clamping, is convenient and quick and has higher use efficiency.

Description

Quenching device for bearing ring production

Technical Field

The invention relates to the technical field of heat treatment, in particular to a quenching device for producing a bearing ring.

Background

The Bearing (Bearing) is an important part in the modern mechanical equipment, the main function of the Bearing is to support a mechanical rotating body, reduce the friction coefficient in the motion process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, and the rolling Bearing generally consists of an outer ring, an inner ring, a rolling body and a retainer. Rolling bearings are classified into ball bearings and roller bearings according to the shape of the rolling elements, and when the bearings are machined, a quenching device is required to be used for quenching so as to improve the strength of the bearings.

Through the retrieval, chinese patent publication is CN 211006510U's patent discloses a guenching unit for bearing ring production, including quenching case, servo motor and first conical gear, the montant is installed to the top of quenching case, and has seted up vertical groove on montant and the quenching case, the top fixed mounting of montant has the diaphragm, the left side of drive belt is provided with the second drive wheel, and just first drive wheel passes through drive belt and second drive wheel interconnect to first drive wheel and second drive wheel all are located the inside of diaphragm, install the vertical axis on the second conical gear, and the outside of vertical axis is provided with the sleeve to fixed mounting has the roof on the sleeve.

The above patents suffer from the following disadvantages: when the bearing is quenched, in order to ensure the heating uniformity of the bearing, the bearing needs to be rotated, and the bearing needs to be fixed in a rotating mode.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a quenching device for producing a bearing ring.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a guenching unit for bearing ring production, includes the frame, the top outer wall of frame is provided with main moving mechanism, and main moving mechanism top outer wall is provided with rotary mechanism, and rotary mechanism's top outer wall is provided with fixture, and the top outer wall of frame has the quenching box through the bolt fastening, and the inner wall sliding connection of quenching box has the quenching case lid, fixture includes roating seat, "L" type arm lock and clamping jaw, the top outer wall of roating seat has two heavy articulated slab through the bolt fastening, and the bottom outer wall of "L" type arm lock rotates to be connected on the outer wall of articulated slab, "L" type arm lock's top outer wall rotates to be connected on the outer wall of clamping jaw, the middle inner wall sliding connection of roating seat has the slide bar, and the top outer wall of slide bar has a supporting bench through the bolt fastening, and the top outer wall welding of supporting bench has spacing boss, and the bottom outer wall And (5) blocking.

Preferably: the sum of the mass of the top of the L-shaped clamping arm at the hinge joint of the L-shaped clamping arm and the hinged plate and the mass of the clamping jaw is less than that of the bottom of the L-shaped clamping arm.

Further: two the relative one side outer wall of clamping jaw all is provided with "V" type opening.

On the basis of the scheme: and a limiting plate is fixed on the outer wall of the bottom of the sliding rod through a bolt.

The better scheme in the scheme is as follows: and a supporting spring is arranged on the outer wall of the bottom of the rotary connection part of the clamping jaw and the L-shaped clamping arm.

As a further scheme of the invention: the outer walls of two sides of the sliding seat on the hinged plate are fixedly provided with a reset plate through bolts, and a reset spring is welded between the reset plate and the L-shaped clamping arm.

Meanwhile, the initial state of the return spring is a compressed state.

As a preferable aspect of the present invention: the main moving mechanism comprises a sliding seat and a sliding rail, the sliding rail is fixed on the outer wall of the top of the machine base through a bolt, the outer wall of the bottom of the sliding seat is fixedly provided with a sliding block matched with the sliding rail through a bolt, inner walls of two symmetrical sides of the machine base are rotatably connected with worm-type screw rods through supporting plates, and the worm-type screw rods are in threaded connection with the worm-type screw rods through connecting plates arranged at the bottoms of the worm-type screw rods.

Simultaneously, the middle part inner wall of frame is fixed with the motor through the bolt, and the output shaft of motor all has the band pulley through the key-type connection with the outer wall of worm formula screw rod, and two band pulleys pass through the hold-in range and establish the transmission cooperation.

As a more preferable scheme of the invention: the rotating mechanism comprises a worm wheel and a first rotating shaft, a hollow sleeve is welded on the outer wall of the top of the first rotating shaft, the outer wall of the top of the hollow sleeve is fixed on the outer wall of the bottom of the rotating seat through a bolt, the outer wall of the bottom of the first rotating shaft is rotatably connected to the inner wall of the sliding seat, the inner wall of the worm wheel is connected to the outer wall of the bottom of the first rotating shaft through a key, and the outer wall of the worm wheel is meshed with the outer wall of the worm.

The invention has the beneficial effects that:

1. this a guenching unit for bearing ring production, when using, puts into bearing ring cover on spacing boss, because the gravity that the bearing ring receives this moment, pushes down the brace table, and the brace table drives the inclined plane kicking block and moves down together, and its inclined plane of inclined plane kicking block can make the lower extreme of "L" type arm lock expand outward to make two clamping jaws on its end draw close each other, press from both sides the bearing tight, need not artifical clamping in addition and tightly convenient and fast, the availability factor is higher.

2. Due to the weight design of the top and the bottom of the L-shaped clamping arm, when the rotary mechanism drives the rotary seat to rotate, the whole clamping mechanism rotates, the L-shaped clamping arm and the clamping jaw are subjected to the action of centrifugal force when rotating, the sum of the mass of the top of the hinged part of the L-shaped clamping arm and the mass of the clamping jaw is smaller than that of the bottom of the L-shaped clamping arm, so that the centrifugal force applied to the bottom of the L-shaped clamping arm is larger, and after the centrifugal force at the top of the L-shaped clamping arm is balanced, clamping pressure can still be applied to the clamping jaw, and the clamping reliability is ensured.

3. This a guenching unit for bearing ring production, set up to rotate with "L" type arm lock through the clamping jaw and be connected, and set up supporting spring and tentatively support the clamping jaw, because "V" type open-ended design on the clamping jaw, can make this device can the not unidimensional bearing ring of centre gripping, but during the not unidimensional bearing ring centre gripping, the volume of moving down of brace table is different, thereby the displacement volume that leads to the clamping jaw is different, during the clamping jaw centre gripping, can not laminate with the bearing ring surface, the condition of point contact appears, stress concentration, damage the bearing ring easily, and the clamping jaw is connected with the rotation of "L" type arm lock, cooperation supporting spring effect, make bearing ring initial position can keep the level basically, can prevent because bearing ring size difference or installation appear the deviation, the stress concentration condition appears, thereby can prevent that the bearing ring is impaired at the centre gripping.

4. This a guenching unit for bearing ring production, when the motor starts, it drives the connecting plate and rotates, drives the worm wheel through the meshing effect this moment and rotates to it is rotatory with hollow sleeve drive bearing ring through pivot one, and in the quenching treatment process, the motor can frequently just reverse, drives whole rotary mechanism, fixture and bearing and quenches the internal swing back and forth of box, the homogeneity that has improved the bearing ring quenching that can very big degree.

5. This a guenching unit for bearing ring production through being provided with worm wheel and worm screw rod, its intermeshing's form comes to provide drive power for the rotation of bearing for the displacement of bearing and rotatory power supply are integrated into one, have avoided on the one hand for rotatory independent design power supply, and it is lower problem of life-span along with sliding the seat entering high temperature quenching box in, and on the other hand has also reduced the cost.

Drawings

FIG. 1 is a schematic overall structure diagram of a quenching device for bearing ring production according to the invention;

FIG. 2 is a schematic cross-sectional structural view of a main moving mechanism of a quenching device for producing a bearing ring, which is provided by the invention;

FIG. 3 is a schematic structural diagram of a rotating mechanism of a quenching device for producing a bearing ring according to the present invention;

FIG. 4 is a front view structural diagram of a clamping mechanism of a quenching device for bearing ring production according to the present invention;

fig. 5 is a schematic cross-sectional structural diagram of a clamping mechanism of a quenching device for producing a bearing ring, which is provided by the invention.

In the figure: 1-machine base, 2-main moving mechanism, 3-rotating mechanism, 4-clamping mechanism, 5-quenching box cover, 6-quenching box body, 7-motor, 8-belt wheel, 9-synchronous belt, 10-supporting plate, 11-connecting plate, 12-sliding seat, 13-worm screw, 14-slide block, 15-slide rail and 16-worm wheel, 17-a first rotating shaft, 18-a hollow sleeve, 19-a rotating seat, 20-a hinged plate, 21-a reset plate, 22-a reset spring, 23- "L" -shaped clamping arms, 24-a supporting spring, 25-a clamping jaw, 26- "V" -shaped openings, 27-a limiting boss, 28-a supporting platform, 29-an inclined plane top block, 30-a sliding rod and 31-a limiting plate.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

A quenching device for bearing ring production is disclosed, as shown in figures 1, 4 and 5, and comprises a machine base 1, wherein the outer wall of the top of the machine base 1 is provided with a main moving mechanism 2, the outer wall of the top of the main moving mechanism 2 is provided with a rotating mechanism 3, the outer wall of the top of the rotating mechanism 3 is provided with a clamping mechanism 4, the outer wall of the top of the machine base 1 is fixed with a quenching box body 6 through bolts, the inner wall of the quenching box body 6 is connected with a quenching box cover 5 in a sliding way, the clamping mechanism 4 comprises a rotating base 19, an 'L' -shaped clamping arm 23 and a clamping jaw 25, the outer wall of the top of the rotating base 19 is fixed with two multi-sunk hinged plates 20 through bolts, the outer wall of the bottom of the 'L' -shaped clamping arm 23 is connected on the outer wall of the clamping jaw 20 in a rotating way, the outer wall of the top of the 'L' -shaped, the outer wall of the top of the supporting platform 28 is welded with a limiting boss 27, the outer wall of the bottom of the supporting platform 28 is fixed with an inclined plane jacking block 29 matched with one side of the L-shaped clamping arm 23 through a bolt, the sum of the mass of the top of the L-shaped clamping arm 23 at the hinged position of the L-shaped clamping arm 23 and the mass of the clamping jaw 25 is smaller than the mass of the bottom of the L-shaped clamping arm, the outer wall of one side of the L-shaped clamping arm 23 opposite to the hinged plate 20 is provided with a V-shaped opening 26, and the outer wall of the bottom of the sliding rod; in the embodiment, when the bearing ring is put in the limiting boss 27, at this time, the supporting table 28 is pressed downwards due to the gravity borne by the bearing ring, the supporting table 28 drives the inclined plane ejecting block 29 to move downwards together, the inclined plane of the inclined plane ejecting block 29 can cause the lower end of the L-shaped clamping arm 23 to expand outwards, so that the two clamping jaws 25 at the upper end of the L-shaped clamping arm are closed to clamp the bearing, manual clamping is not needed, the bearing is convenient and quick, the use efficiency is high, and due to the weight design of the top and the bottom of the L-shaped clamping arm 23, when the rotating mechanism 3 drives the rotating seat 19 to rotate, the whole clamping mechanism 4 rotates, the L-shaped clamping arm 23 and the clamping jaw 25 both receive the centrifugal force action when rotating, the sum of the mass of the top of the L-shaped clamping arm 23 at the hinged position with the hinged plate 20 and the mass of the clamping jaw 25 is smaller than the mass at the bottom of, after balancing the centrifugal force at the top, a clamping pressure can still be applied to the clamping jaw 25, thereby ensuring the reliability of clamping.

In order to solve the clamping problem; as shown in fig. 4, a support spring 24 is arranged on the outer wall of the bottom of the clamping jaw 25 at the rotary connection part with the L-shaped clamping arm 23; because the design of "V" type opening 26 on the clamping jaw 25, can make this device can the not unidimensional bearing ring of centre gripping, but during the not unidimensional bearing ring centre gripping, the volume of moving down of brace table 28 is different, thereby lead to the displacement volume difference of clamping jaw 25, during the clamping of clamping jaw 25, can not laminate with the bearing ring surface, the condition of point contact appears, stress concentration, damage the bearing ring easily, and this device sets up clamping jaw 25 and "L" type arm lock 23 into rotation and is connected, and set up supporting spring 24 and tentatively support clamping jaw 25, make its initial position can keep the level basically, can prevent because the bearing ring size is different or the installation deviation appears, stress concentration's condition appears, thereby can prevent that the bearing ring is impaired in the centre gripping.

In order to solve the reset problem; as shown in fig. 4 and 5, the sliding seat 12 is located on the outer walls of two sides of the hinge plate 20, and is fixed with a return plate 21 through bolts, a return spring 22 is welded between the return plate 21 and an "L" shaped clamping arm 23, and the initial state of the return spring 22 is a compressed state; after the bearing ring is taken out, the reset spring 22 resets each part by means of the elastic force.

To solve the shifting and quenching problems; as shown in fig. 2 and 3, the main moving mechanism 2 includes a sliding seat 12 and a sliding rail 15, the sliding rail 15 is fixed on the outer wall of the top of the machine base 1 through a bolt, a sliding block 14 matched with the sliding rail 15 for use is fixed on the outer wall of the bottom of the sliding seat 12 through a bolt, the inner walls of two symmetrical sides of the machine base 1 are rotatably connected with a worm screw 13 through a supporting plate 10, the worm screw 13 is in threaded connection with the worm screw 13 through a connecting plate 11 arranged at the bottom of the worm screw 13, a motor 7 is fixed on the inner wall of the middle of the machine base 1 through a bolt, the output shaft of the motor 7 and the outer wall of the worm screw 13 are both connected with belt pulleys 8 through keys; when the motor 7 is started, the connecting plate 11 can be driven to rotate by the belt wheel 8 and the synchronous belt 9, so that the sliding seat 12 is driven to move through the threaded connection effect, and the bearing ring is driven into the quenching box body 6 to be quenched.

In order to solve the problem of uniform quenching; as shown in fig. 1, the rotating mechanism 3 includes a worm wheel 16 and a first rotating shaft 17, a hollow sleeve 18 is welded on the outer wall of the top of the first rotating shaft 17, the outer wall of the top of the hollow sleeve 18 is fixed on the outer wall of the bottom of the rotating base 19 through a bolt, the outer wall of the bottom of the first rotating shaft 17 is rotatably connected to the inner wall of the sliding base 12, the inner wall of the worm wheel 16 is connected to the outer wall of the bottom of the first rotating shaft 17 through a key, and the outer wall of the worm wheel is meshed with the outer wall of the; when the motor 7 is started, the motor drives the connecting plate 11 to rotate, the worm wheel 16 is driven to rotate through the meshing effect at the moment, the bearing ring is driven to rotate through the first rotating shaft 17 and the hollow sleeve 18, in the quenching treatment process, the motor 7 can frequently rotate forwards and backwards to drive the whole rotating mechanism 3, the clamping mechanism 4 and the bearing to swing back and forth in the quenching box body 6, the quenching uniformity of the bearing ring can be greatly improved, in addition, the device provides driving force for the rotation of the bearing through the worm wheel 16 and the worm screw 13 which are meshed with each other, the displacement of the bearing and the rotating power source are integrated into a whole, on one hand, the problem that the power source is designed for rotation independently and the service life of the bearing enters the high-temperature quenching box body 6 along with the sliding seat 12 is low is solved, and on the other hand.

In the embodiment, when the bearing ring is used, the bearing ring is sleeved on the limit boss 27 and placed, at this time, due to the gravity borne by the bearing ring, the support table 28 is pressed downwards, the support table 28 drives the inclined plane top block 29 to move downwards together, the inclined plane of the inclined plane top block 29 enables the lower end of the L-shaped clamping arm 23 to expand outwards, so that the two clamping jaws 25 at the upper end of the L-shaped clamping arm are closed to each other, when the motor 7 is started, the connecting plate 11 is driven to rotate by the belt pulley 8 and the synchronous belt 9, so that the sliding seat 12 is driven to move through the threaded connection effect, so that the bearing ring is driven into the quenching box body 6 for quenching treatment, when the motor 7 is started, the connecting plate 11 is driven to rotate, at this time, the worm wheel 16 is driven to rotate through the meshing effect, so that the bearing ring is driven to rotate by the first rotating shaft, The clamping mechanism 4 and the bearing swing back and forth in the quenching box 6, and due to the weight design of the top and the bottom of the L-shaped clamping arm 23, when the rotating mechanism 3 drives the rotating seat 19 to rotate, the whole clamping mechanism 4 rotates, the L-shaped clamping arm 23 and the clamping jaw 25 are under the action of centrifugal force when rotating, the sum of the mass of the top of the L-shaped clamping arm 23 at the hinged part of the L-shaped clamping arm 23 and the hinged plate 20 and the mass of the clamping jaw 25 is less than the mass of the bottom of the L-shaped clamping arm, so the centrifugal force applied to the bottom of the L-shaped clamping arm is larger, and after the centrifugal force applied to the top of the L-shaped clamping arm.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A quenching device for bearing ring production comprises a machine base (1), wherein a main moving mechanism (2) is arranged on the outer wall of the top of the machine base (1), a rotating mechanism (3) is arranged on the outer wall of the top of the main moving mechanism (2), a clamping mechanism (4) is arranged on the outer wall of the top of the rotating mechanism (3), a quenching box body (6) is fixed on the outer wall of the top of the machine base (1) through bolts, and a quenching box cover (5) is connected on the inner wall of the quenching box body (6) in a sliding manner, the quenching device is characterized in that the clamping mechanism (4) comprises a rotating base (19), an L-shaped clamping arm (23) and a clamping jaw (25), two multi-sunk hinged plate (20) are fixed on the outer wall of the top of the rotating base (19) through bolts, the outer wall of the bottom of the L-shaped clamping arm (23) is rotatably connected on the outer wall of the hinged plate (20), the middle inner wall sliding connection of roating seat (19) has slide bar (30), and the top outer wall of slide bar (30) has brace table (28) through the bolt fastening, and the welding of the top outer wall of brace table (28) has spacing boss (27), and the bottom outer wall of brace table (28) has inclined plane kicking block (29) of mutually supporting with one side of "L" type arm lock (23) through the bolt fastening.

2. Quenching device for the production of bearing rings according to claim 1, characterized in that the sum of the mass of the "L" shaped clamping arms (23) at the top where they are hinged to the hinge plate (20) plus the mass of the clamping jaws (25) is less than the mass at the bottom.

3. Quenching device for the production of bearing rings according to claim 1, characterized in that the outer wall of the two jaws (25) on the opposite side is provided with a "V" shaped opening (26).

4. The quenching device for the production of bearing rings according to claim 1, characterized in that the bottom outer wall of the slide bar (30) is fixed with a limit plate (31) by bolts.

5. Quenching device for the production of bearing rings according to claim 1, characterized in that the outer wall of the jaw (25) at the bottom where it is pivotally connected to the "L" shaped clamping arm (23) is provided with a support spring (24).

6. The quenching device for producing the bearing ring according to claim 1, wherein the sliding seat (12) is positioned on the outer walls of two sides of the hinged plate (20) and is fixed with a reset plate (21) through bolts, and a reset spring (22) is welded between the reset plate (21) and the L-shaped clamping arm (23).

7. A quenching device for the production of bearing rings according to claim 6 characterized in that the initial state of the return spring (22) is the compressed state.

8. The quenching device for producing the bearing ring according to claim 1, wherein the main moving mechanism (2) comprises a sliding seat (12) and a sliding rail (15), the sliding rail (15) is fixed on the outer wall of the top of the machine base (1) through a bolt, the outer wall of the bottom of the sliding seat (12) is fixed with a sliding block (14) matched with the sliding rail (15) through a bolt, the inner walls of two symmetrical sides of the machine base (1) are rotatably connected with a worm screw (13) through a support plate (10), and the worm screw (13) is in threaded connection with the worm screw (13) through a connecting plate (11) arranged at the bottom of the worm screw.

9. The quenching device for producing the bearing ring as claimed in claim 8, wherein the motor (7) is fixed on the inner wall of the middle part of the machine base (1) through a bolt, the output shaft of the motor (7) and the outer wall of the worm screw (13) are connected with the belt wheels (8) through a key, and the two belt wheels (8) are in transmission fit through the synchronous belt (9).

10. The quenching device for producing the bearing ring as claimed in claim 1, wherein the rotating mechanism (3) comprises a worm wheel (16) and a first rotating shaft (17), the outer wall of the top of the first rotating shaft (17) is welded with a hollow sleeve (18), the outer wall of the top of the hollow sleeve (18) is fixed on the outer wall of the bottom of the rotating seat (19) through a bolt, the outer wall of the bottom of the first rotating shaft (17) is rotatably connected to the inner wall of the sliding seat (12), the inner wall of the worm wheel (16) is connected to the outer wall of the bottom of the first rotating shaft (17) through a key, and the outer wall of the worm wheel is meshed with the outer wall of the worm screw (13).