阅读说明：本技术 一种深沟球轴承用保持器的生产方法 (Production method of retainer for deep groove ball bearing ) 是由 郑广会 于 2020-12-30 设计创作，主要内容包括：本发明涉及轴承保持架生产技术领域,解决了现有技术中深沟球轴承保持架生产步骤繁琐的问题。一种深沟球轴承用保持器的生产方法,包括以下步骤,步骤一,使用冲压切料设备对板材进行冲压切料,取得环形片材；步骤二,使用整形冲孔设备对环形片材进行整形冲孔,得到轴承保持架组件；步骤三,使用转盘穿钉机向轴承保持架组件进行穿钉,完成穿钉后进行冲压,使铆钉紧连接在轴承保持架组件上；步骤四,将轴承保持架组件设置在冲洗架上,连同冲洗架一起进入浸油设备进行浸油；步骤五,将轴承保持架组件连同冲洗架一起进入冲洗机进行冲洗。生产步骤中取消了对环形片材的压环处理,简化了生产工艺,缩短了生产工时,节省人工,降低了生产成本。(The invention relates to the technical field of bearing retainer production, and solves the problem that in the prior art, a deep groove ball bearing retainer is complex in production steps. A production method of a retainer for a deep groove ball bearing comprises the following steps of firstly, punching and cutting a plate by using punching and cutting equipment to obtain an annular sheet; shaping and punching the annular sheet by using shaping and punching equipment to obtain a bearing retainer assembly; thirdly, using a rotary disc nailing machine to nail the bearing retainer assembly, punching after the nail is penetrated, and tightly connecting the rivet on the bearing retainer assembly; step four, arranging the bearing retainer assembly on a flushing frame, and entering oil immersion equipment together with the flushing frame for oil immersion; and step five, putting the bearing retainer assembly and the washing frame into a washing machine for washing. In the production steps, the compression ring treatment of the annular sheet is cancelled, the production process is simplified, the production working hours are shortened, the labor is saved, and the production cost is reduced.)

1. A production method of a retainer for a deep groove ball bearing is characterized by comprising the following steps,

firstly, punching and cutting a plate by using punching and cutting equipment to obtain an annular sheet;

shaping and punching the annular sheet by using shaping and punching equipment to obtain a bearing retainer assembly;

the press ring shaping and punching equipment comprises a rack, wherein a hydraulic system is arranged in the rack, a punching seat is arranged at the lower end of a vertical hydraulic cylinder piston rod of the hydraulic system, a primary shaping upper die, a shaping upper die and a punching upper die are arranged at the bottom of the punching seat, a primary shaping lower die, a shaping lower die and a punching lower die are arranged on the rack, and a press ring-free feeding mechanism is arranged on the rack;

the compression-ring-free feeding mechanism comprises a bottom plate (1), a driving mechanism is arranged on the bottom plate (1), the bottom plate (1) is connected with a transverse moving seat (2) through a transverse sliding rail (17), the transverse moving seat (2) is connected with an output end of the driving mechanism, the transverse moving seat (2) is connected with two longitudinal moving seats (3) through a longitudinal sliding rail (18), the bottom plate (1) is provided with an annular sheet frame (4), a limiting seat (5) of the annular sheet frame (4) is fixedly connected on the bottom plate (1), a supporting strip (13) is arranged on the upper end face of the bottom plate (1), the upper end face of the supporting strip (13) is an arc-shaped face, a transverse groove is arranged on the upper end face of the supporting strip (13), a limiting strip (14) is arranged on the lower end face of the limiting seat (5), the lower end face of the limiting strip (14) is an arc-shaped face, a transverse pushing piece (6), the longitudinal moving seat (3) is provided with a driving plate (7) which is used for enabling the transverse pushing piece (6) to rotate upwards.

Thirdly, using a rotary disc nailing machine to nail the bearing retainer assembly, punching after the nail is penetrated, and tightly connecting the rivet on the bearing retainer assembly;

step four, arranging the bearing retainer assembly on a flushing frame, and entering oil immersion equipment together with the flushing frame for oil immersion;

and step five, putting the bearing retainer assembly and the washing frame into a washing machine for washing.

2. The method for producing a retainer for deep groove ball bearings according to claim 1, wherein after the washing in the fifth step, the bearing retainer assembly is detached from the washing frame, rust-proof packed and placed in a transport box.

3. The production method of the retainer for the deep groove ball bearing according to claim 1, wherein in the second step, the transverse pushing member (6) comprises a front end portion (8) located at the front side of the rotating shaft and a rear end portion (9) located at the rear side of the rotating shaft, the driving plate (7) is located above the rear end portion (9), the longitudinal moving seat (3) is slidably connected with a driving rod (10) capable of moving along the vertical direction, the lower end of the driving rod (10) abuts against the rear end portion (9), when the two longitudinal moving seats (3) move towards each other, the driving plate (7) pushes the driving rod (10) downwards, so that the transverse pushing member (6) rotates around the rotating shaft thereof, and the front end portion (8) ascends.

4. Method for producing a cage for deep groove ball bearings according to claim 3, characterized in that a spring (19) is arranged between the rear end (9) and the laterally movable seat (2), the rear end (9) being raised by the spring force of the spring (19).

5. The production method of a retainer for deep groove ball bearings according to claim 4, characterized in that the top end of the driving rod (10) is rotatably connected with a roller (12), and one end of the driving plate (7) close to the roller (12) is provided with a bevel.

6. The production method of a cage for deep groove ball bearings according to claim 5, characterized in that the drive mechanism comprises a drive motor (15), a screw (16) arranged on the motor shaft and a nut seat (11) cooperating with the screw (16), the nut seat (11) being connected with the laterally moving seat (2) by means of a bolt.

7. The production method of a retainer for deep groove ball bearings according to any one of claims 1 to 6, wherein the preliminary shaping upper die, the shaping upper die, and the punching upper die are arranged at equal intervals in a direction of advancement of the endless sheet.

8. The method for producing a retainer for a deep groove ball bearing according to claim 1, wherein the rinsing in the fifth step includes two times of rinsing.

9. The method of claim 2, wherein the rust-preventive packaging comprises applying rust-preventive oil to the individual bearing cage assemblies, stacking, and packaging the individual bearing cage assemblies in a single package.

Technical Field

The invention relates to the technical field of bearing retainer production, in particular to a production method of a retainer for a deep groove ball bearing.

Background

Bearing cages (also called bearing retainers) refer to bearing parts that partially encase and move with all or part of the rolling elements to isolate them and generally guide them and retain them within the bearing. The existing production method of the deep groove ball bearing retainer usually comprises the processes of stamping and cutting, ring pressing, shaping, punching, nail penetrating, stamping and the like, the steps are complex, the production time and labor are prolonged, and the time cost is increased due to the fact that intermediate materials are transferred among different devices, so that the production cost of the bearing retainer is increased.

Disclosure of Invention

The invention provides a production method of a retainer for a deep groove ball bearing, which solves the problem that the production steps of a deep groove ball bearing retainer in the prior art are complicated.

A production method of a retainer for a deep groove ball bearing comprises the following steps,

firstly, punching and cutting a plate by using punching and cutting equipment to obtain an annular sheet;

shaping and punching the annular sheet by using shaping and punching equipment to obtain a bearing retainer assembly;

the press ring shaping and punching equipment comprises a rack, wherein a hydraulic system is arranged in the rack, a punching seat is arranged at the lower end of a vertical hydraulic cylinder piston rod of the hydraulic system, a primary shaping upper die, a shaping upper die and a punching upper die are arranged at the bottom of the punching seat, a primary shaping lower die, a shaping lower die and a punching lower die are arranged on the rack, and a press ring-free feeding mechanism is arranged on the rack;

exempt from clamping ring feeding mechanism and include the bottom plate, be equipped with actuating mechanism on the bottom plate and have the lateral shifting seat through transverse sliding rail connection, the lateral shifting seat is connected with actuating mechanism's output, there are two longitudinal shifting seats through longitudinal sliding rail connection on the lateral shifting seat, be equipped with annular sheet frame on the bottom plate, the spacing seat fixed connection of annular sheet frame is on the bottom plate, be equipped with the support bar on the bottom plate up end, the up end of support bar is the arcwall face, be equipped with horizontal recess on the up end of support bar, be equipped with spacing on the lower terminal surface of spacing seat, the lower terminal surface of spacing is the arcwall face, it is connected with horizontal pushing part to rotate on the lateral shifting seat, horizontal pushing part is located horizontal recess, be equipped with on the longitudinal shifting seat and be used.

Thirdly, using a rotary disc nailing machine to nail the bearing retainer assembly, punching after the nail is penetrated, and tightly connecting the rivet on the bearing retainer assembly;

step four, arranging the bearing retainer assembly on a flushing frame, and entering oil immersion equipment together with the flushing frame for oil immersion;

and step five, putting the bearing retainer assembly and the washing frame into a washing machine for washing.

In the invention, the ring pressing and shaping punching equipment used in the second step is provided with a ring pressing-free feeding mechanism and is suitable for the annular sheet which is not subjected to ring pressing treatment, so that the ring pressing treatment on the annular sheet is cancelled in the production step, the transfer of the annular sheet between the ring pressing equipment and other equipment is omitted, the production process is simplified, the production working hour is shortened, the labor is saved, and the production cost is reduced.

Further, after the washing in the fifth step is completed, the bearing retainer assembly is detached from the washing frame, and is placed into a transport box after being subjected to rust-proof packaging. Because the oil layer produced in the oil immersion step is damaged by flushing, rust prevention treatment is required before packaging, and rusting in the transportation and storage processes is avoided.

Further, horizontal pushing equipment in step two is including the preceding tip that is located the axis of rotation front side and the rear end portion that is located the axis of rotation rear side, the drive plate is located the rear end portion top, sliding connection has the actuating lever that can follow vertical direction and remove on the longitudinal movement seat, and the actuating lever lower extreme supports to lean on the rear end portion, and when two longitudinal movement seats removed in opposite directions, the drive plate promoted the actuating lever downwards, made horizontal pushing equipment rotate around its axis of rotation, and the preceding tip rises. The feeding pusher dogs of the traditional feeding mechanism and the feeding mechanism of the invention are both arranged on two pusher dog driving rods, and the pusher dog driving rods are arranged on the longitudinal moving seat. When the feeding mechanism works, the two pusher dog driving rods move oppositely along the longitudinal direction to enable the feeding pusher dogs to clamp an annular sheet, and then the two pusher dog driving rods move along the transverse direction to send the annular sheet to the next die. The pusher dog actuating lever moves in opposite directions along the longitudinal direction and is realized by two longitudinal movement seats moving in opposite directions, when two longitudinal movement seats move in opposite directions, the actuating lever contacts with the upper end of the actuating lever and pushes the actuating lever downwards, the actuating lever pushes the rear end part downwards, so that the front end part rises, when the front end part rises to the highest position, the foremost end of the front end part is higher than the transverse supporting part, the height difference between the two is smaller than or equal to the thickness of an annular sheet, and the front end part abuts against the inner ring of the annular sheet. When the driving mechanism drives the transverse moving seat to move forwards, the front end part pushes the annular sheet to move forwards to reach the die. Then the two longitudinal moving seats move away from each other, and the annular sheet is separated from the feeding pusher dog.

Further, a spring is arranged between the rear end part and the transverse moving seat, and the rear end part is lifted by the elastic force of the spring. So that the front end portion is lowered below the lateral support portion to avoid pushing the loop sheet in the process of retreating in the lateral direction.

Furthermore, the top end of the driving rod is rotatably connected with a roller, and an inclined plane is arranged at one end, close to the roller, of the driving plate. The roller is convenient to push downwards when the driving plate is contacted with the roller.

Further, the driving mechanism comprises a driving motor, a screw rod arranged on the motor shaft and a nut seat matched with the screw rod, and the nut seat is connected with the transverse moving seat through a bolt.

Further, the primary shaping upper die, the shaping upper die and the punching upper die are arranged at equal intervals along the advancing direction of the annular sheet. The single movement of the transverse moving seat can enable the annular sheet positioned on the die to smoothly enter the next die.

Further, the flushing in the fifth step comprises two flushes.

Further, the rust-proof packaging comprises the steps of coating rust-proof oil on the single bearing retainer assembly, stacking and integrally packaging.

According to the technical scheme, the invention has the following advantages:

in the invention, the ring pressing and shaping punching equipment used in the second step is provided with a ring pressing-free feeding mechanism and is suitable for the annular sheet which is not subjected to ring pressing treatment, so that the ring pressing treatment on the annular sheet is cancelled in the production step, the transfer of the annular sheet between the ring pressing equipment and other equipment is omitted, the production process is simplified, the production working hour is shortened, the labor is saved, and the production cost is reduced.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a flow chart of a production method of the retainer for the deep groove ball bearing of the invention.

Fig. 2 is a schematic structural view of the pressing-ring-free feeding mechanism of the present invention.

Fig. 3 is a bottom view of the ring-pressing-free feeding mechanism of the present invention.

FIG. 4 is a schematic view of the vertical moving seat and the horizontal pushing member of the present invention.

FIG. 5 is a schematic view of the lateral pushing member and the roller according to the present invention.

Fig. 6 is a support strip and its working principle diagram of the present invention.

1. A bottom plate, 2, a transverse moving seat, 3, a longitudinal moving seat, 4, an annular sheet frame, 5 and a limiting seat,

6. the device comprises a transverse pushing piece, 7, a driving plate, 8, a front end portion, 9, a rear end portion, 10, a driving rod, 11, a nut seat, 12, a roller, 13, a supporting strip, 14, a limiting strip, 15, a driving motor, 16, a screw, 17, a transverse sliding rail, 18, a longitudinal sliding rail, 19, a spring, 20 and an annular sheet.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

Example 1

As shown in fig. 1 to 6, a method of producing a retainer for a deep groove ball bearing includes the steps of,

firstly, punching and cutting a plate by using punching and cutting equipment to obtain an annular sheet 20;

step two, shaping and punching the annular sheet 20 by using shaping and punching equipment to obtain a bearing retainer assembly;

the press ring shaping and punching equipment comprises a rack, wherein a hydraulic system is arranged in the rack, a punching seat is arranged at the lower end of a vertical hydraulic cylinder piston rod of the hydraulic system, a primary shaping upper die, a shaping upper die and a punching upper die are arranged at the bottom of the punching seat, a primary shaping lower die, a shaping lower die and a punching lower die are arranged on the rack, and a press ring-free feeding mechanism is arranged on the rack;

exempt from clamping ring feeding mechanism and include bottom plate 1, be equipped with actuating mechanism on bottom plate 1 and be connected with lateral shifting seat 2 through transverse slide rail 17, lateral shifting seat 2 is connected with actuating mechanism's output, be connected with two longitudinal shifting seats 3 through longitudinal slide rail 18 on the lateral shifting seat 2, be equipped with annular sheet frame 4 on the bottom plate 1, spacing seat 5 fixed connection of annular sheet frame 4 is on bottom plate 1, be equipped with support bar 13 on the bottom plate 1 up end, the up end of support bar 13 is the arcwall face, be equipped with horizontal recess on the up end of support bar 13, be equipped with spacing 14 on the lower terminal surface of spacing seat 5, the lower terminal surface of spacing 14 is the arcwall face, it is connected with horizontal material pushing part 6 to rotate on the lateral shifting seat 2, horizontal material pushing part 6 is located horizontal recess, be equipped with on the longitudinal shifting seat 3 and be used for making horizontal material pushing part.

Thirdly, using a rotary disc nailing machine to nail the bearing retainer assembly, punching after the nail is penetrated, and tightly connecting the rivet on the bearing retainer assembly;

step four, arranging the bearing retainer assembly on a flushing frame, and entering oil immersion equipment together with the flushing frame for oil immersion;

and step five, putting the bearing retainer assembly and the washing frame into a washing machine for washing.

In the invention, the pressure ring shaping and punching equipment used in the second step is provided with a ring pressing-free feeding mechanism and is suitable for the annular sheet 20 which is not subjected to pressure ring treatment, so that the pressure ring treatment on the annular sheet 20 is cancelled in the production step, the transfer of the annular sheet 20 between the pressure ring equipment and other equipment is omitted, the production process is simplified, the production working hour is shortened, the labor is saved, and the production cost is reduced. And fifthly, after the washing is finished, the bearing retainer assembly is detached from the washing frame, and is placed into a transport box after being subjected to rust-proof packaging. Because the oil layer produced in the oil immersion step is damaged by flushing, rust prevention treatment is required before packaging, and rusting in the transportation and storage processes is avoided. In the second step, the transverse pushing part 6 comprises a front end part 8 located on the front side of the rotating shaft and a rear end part 9 located on the rear side of the rotating shaft, the driving plate 7 is located above the rear end part 9, the longitudinal moving seat 3 is connected with a driving rod 10 capable of moving in the vertical direction in a sliding mode, the lower end of the driving rod 10 abuts against the rear end part 9, when the two longitudinal moving seats 3 move in the opposite direction, the driving plate 7 pushes the driving rod 10 downwards, the transverse pushing part 6 rotates around the rotating shaft of the transverse pushing part, and the front end part 8 rises. The feeding pusher dogs of the traditional feeding mechanism and the feeding mechanism of the invention are both arranged on two pusher dog driving rods, and the pusher dog driving rods are arranged on the longitudinal moving seat. When the feeding mechanism works, the two pusher dog driving rods move oppositely along the longitudinal direction to enable the feeding pusher dogs to clamp one annular sheet material 20, and then the two pusher dog driving rods move along the transverse direction to send the annular sheet material 20 to the next die. The pusher dog actuating lever moves in opposite directions along the longitudinal direction and is realized by two longitudinal movement seats moving in opposite directions, when two longitudinal movement seats move in opposite directions, the actuating lever contacts with the upper end of the actuating lever and pushes the actuating lever downwards, the actuating lever pushes the rear end part downwards, so that the front end part rises, when the front end part rises to the highest position, the foremost end of the front end part is higher than the transverse supporting part, the height difference between the two is smaller than or equal to the thickness of one annular sheet 20, so that the front end part is abutted against the inner ring of the annular sheet 20. When the driving mechanism drives the transverse moving seat to move forward, the front end part pushes the annular sheet 20 to move forward to reach the die. The two longitudinal moving seats are then moved away from each other and the annular sheet 20 is disengaged from the feed finger. A spring 19 is provided between the rear end portion 9 and the traverse table 2, and the rear end portion 9 is raised by the elastic force of the spring 19. So that the front end portion is lowered below the transverse support portion, avoiding pushing the annular sheet 20 during the retraction in the transverse direction. The top end of the driving rod 10 is rotatably connected with a roller 12, and one end of the driving plate 7 close to the roller 12 is provided with an inclined surface. The roller is convenient to push downwards when the driving plate is contacted with the roller. The driving mechanism comprises a driving motor 15, a screw 16 arranged on the motor shaft and a nut seat 11 matched with the screw 16, and the nut seat 11 is connected with the transverse moving seat 2 through a bolt. The preliminary shaping upper die, the shaping upper die, and the punching upper die are arranged at equal intervals along the advancing direction of the annular sheet 20. A single movement of the transverse mobile seat allows the annular sheet 20 on the mould to pass smoothly onto the next mould. The washing in the fifth step includes two washing. The rust-proof packaging comprises the steps of coating rust-proof oil on the single bearing retainer assembly, stacking and integrally packaging.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.