CN211924750U

CN211924750U - Retainer pressing device of CAM eccentric bearing

Info

Publication number: CN211924750U
Application number: CN201922469915.8U
Authority: CN
Inventors: 徐建冲; 胡国孟; 邹松波
Original assignee: Ningbo Cixing Bearing Co Ltd
Current assignee: Ningbo Cixing Bearing Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-13
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a pressing holder device of CAM eccentric bearing, which comprises a frame, wherein a movable die base sleeve base is arranged on the frame, and a collecting die, a ball separating die, a ball checking die, a pressing holding die and a checking and protecting die are sequentially arranged on the frame according to the moving direction of the die base sleeve base; a die holder sleeve mandrel is arranged in the die holder sleeve base and used for fixing a bearing outer ring; a vibration disc for loading the raw material of the retainer is arranged on one side of the pressing and holding die, a positioning station base for placing the raw material of the retainer is arranged on one side of the pressing and holding die, and the positioning station base is connected with a motor; and an infrared sensor for positioning the cage pocket is arranged at a position opposite to the positioning station base and is connected with a controller, and the controller is connected with the motor. The utility model discloses need not the fixed inner circle of hole plug, adopt the fixed outer lane of die holder cover dabber in the die holder cover base, fixed effectual.

Description

Retainer pressing device of CAM eccentric bearing

Technical Field

The utility model relates to a bearing processing technology field especially relates to CAM eccentric bearing's pressure holder device.

Background

The retainer pressing device on the market at present uses an inner hole mandrel to position an inner hole, then processes such as gathering, separating and pressing the retainer are carried out, for a CAM eccentric bearing, the inner hole is not in the center of the bearing, the height difference of the inner ring and the outer ring is large, if a conventional retainer pressing device is adopted, the inner hole cannot be positioned, and the bearing cannot be fixed. Therefore, there is a need for a retainer pressing device for an eccentric bearing to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to not enough among the prior art, provide CAM eccentric bearing's pressure holder device, need not hole plug fixing bearing inner circle, adopt die holder cover fixing bearing outer lane, realize that the bearing is fixed, the holder of being convenient for impresses.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the pressing retainer device of the CAM eccentric bearing comprises a rack, wherein a movable die seat sleeve base is arranged on the rack, and a gathering die, a ball separating die, a ball checking die, a pressing retaining die and a checking and protecting die are sequentially arranged on the rack according to the moving direction of the die seat sleeve base; a die holder sleeve mandrel is arranged in the die holder sleeve base and used for fixing a bearing outer ring; a vibration disc for loading the raw material of the retainer is arranged on one side of the pressing and holding die, a positioning station base for placing the raw material of the retainer is arranged on one side of the pressing and holding die, and the positioning station base is connected with a motor; and an infrared sensor for positioning the cage pocket is arranged at a position opposite to the positioning station base and is connected with a controller, and the controller is connected with the motor.

Further optimize, still include the bottom plate, be connected with first spring between bottom plate and the die holder cover base.

Further optimize, press and keep mould sliding connection in the frame, press and keep the mould including the telescopic link, the second spring, the suppression head is cavity setting.

Further optimize, ball inspection mould bottom is equipped with proximity switch, proximity switch with the controller is connected, and the controller is connected with alarm indicator.

Further optimize, it still is equipped with the transport board to examine one side of guarantor's mould, be equipped with the recess that the unqualified bearing was got to the hook on the transport board, be provided with the cylinder with the recess relative position, one side of cylinder is equipped with unqualified case.

Further optimizing, when the checking and protecting die detects that the height of the retainer is unqualified, the groove on the carrying plate hooks the unqualified bearing and is driven to an unqualified box by the cylinder; and when the checking and protecting die detects that the height of the retainer is qualified, the carrying plate conveys the bearing in the die seat sleeve mandrel to the next procedure.

The utility model discloses a concrete operating procedure as follows: the inner ring and the outer ring of the bearing are rotated firstly, so that the distribution positions and the quantity of the steel balls are convenient to detect, then the bearing is placed into a die holder sleeve mandrel in a die holder sleeve base, and then the outer ring of the bearing is fixed. Then sliding the base of the die sleeve to the position below the collecting die, collecting the steel balls in the bearing by the operation of the collecting die, continuously sliding the base of the die sleeve forward to the position below the ball separating die, and uniformly distributing the steel balls between the outer ring of the bearing and the inner ring of the bearing by the ball separating die; continuously sliding the base of the die seat sleeve forward to the position below the ball checking die, enabling the number of the proximity switches at the bottom of the ball checking die to be exactly the same as that of the steel balls, and enabling the proximity switches to contact the steel balls and then retract, so that whether the steel balls are lacked or not is checked, and therefore the lack of the steel balls due to various reasons can be detected; and then continuously sliding the base of the die sleeve forward to the position below the pressing and holding die, conveying the raw material of the retainer on the vibration disc, conveying the raw material of the retainer to the base of the positioning station through the vibration disc, detecting the position of the pocket of the retainer by the infrared sensor and feeding the position back to the controller, and driving the motor to rotate by a proper angle by the controller and to be positioned corresponding to the steel ball in the bearing. Then the pressing and holding die slides to take away the raw material of the retainer, slides to the upper part of the base of the sliding die holder sleeve again, then the pressing and holding die presses downwards, the lower surface of the base of the sliding die holder sleeve is synchronously dropped due to the connection of the first spring, and flows out of the space where the retainer slides into the steel ball, so that the retainer slides into the bearing smoothly. Continuously sliding the base of the die seat sleeve to the inspection and protection die, and inspecting whether the height of the retainer meets the requirements of the product or not by the falling of the inspection and protection die, if so, transporting the bearing in the mandrel of the die seat sleeve to the next procedure by the carrying plate; if the bearing does not conform to the requirement, the bearing in the die holder sleeve mandrel is hooked by the groove in the carrying plate, and the unqualified bearing is pushed into an unqualified box through the operation of the air cylinder. Thus, a process of pressing the retainer of the eccentric bearing is completed.

The utility model has the advantages that: 1. the inner ring is not required to be fixed by the inner hole core rod, the outer ring is fixed by the die holder sleeve core shaft in the die holder sleeve base, and the fixing effect is good. 2. The structure is simpler and convenient to operate, the cost is lower, the repeatability is good, and the product percent of pass is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will discuss the drawings required to be used in the description of the embodiments or the prior art, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of a schematic structural diagram of a retainer pressing device of a CAM eccentric bearing according to the present invention.

Fig. 2 is a schematic structural diagram of a middle mold base sleeve base of the present invention.

Fig. 3 is a schematic diagram of a top view of a middle mold base sleeve base according to the present invention.

Fig. 4 is a schematic structural view of the middle pressure maintaining mold of the present invention.

In the figure: the device comprises a die holder sleeve base 1, a gathering die 2, a ball separating die 3, a ball checking die 4, a pressing and maintaining die 5, a checking and maintaining die 6, a die holder sleeve mandrel 7, a vibration disc 8, a positioning station base 9, an infrared sensor 10, a bottom plate 11, a first spring 12, a telescopic rod 13, a second spring 14, a pressing head 15, a carrying plate 16, a groove 17, an air cylinder 18 and an unqualified box 19.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.

The embodiment of the utility model provides a press holder device of CAM eccentric bearing, as shown in fig. 1-4, including the frame, be equipped with mobilizable die holder cover base 1 in the frame, according to the moving direction of die holder cover base 1 be equipped with in proper order in the frame and put together mould 2, divide ball mould 3, examine ball mould 4, press and keep mould 5, examine and protect mould 6; a die base sleeve mandrel 7 is arranged in the die base sleeve base 1 and used for fixing a bearing outer ring; a vibration disc 8 for loading the raw material of the retainer is arranged on one side of the pressing and holding die 5, a positioning station base 9 for placing the raw material of the retainer is arranged on one side of the pressing and holding die 5, and the positioning station base 9 is connected with a motor; and an infrared sensor 10 for positioning the cage pocket is arranged at a position opposite to the positioning station base 9, the infrared sensor 10 is connected with a controller, and the controller is connected with the motor.

The die holder is characterized by further comprising a bottom plate 11, and a first spring 12 is connected between the bottom plate 11 and the die holder sleeve base 1.

The pressing and holding die 5 is connected to the rack in a sliding mode, the pressing and holding die 5 comprises an expansion rod 13, a second spring 14 and a pressing head 15, and the pressing head 15 is arranged in a hollow mode.

The bottom of the ball checking die 4 is provided with a proximity switch, the proximity switch is connected with the controller, and the controller is connected with an alarm indicating lamp. The alarm indicating lamp can prompt that when the proximity switch detects that the number of the steel balls is reduced, the alarm indicating lamp can timely remind a worker to check the steel balls.

One side of the checking and protecting die 6 is further provided with a carrying plate 16, a groove 17 for hooking the unqualified bearing is formed in the carrying plate 16, an air cylinder 18 is arranged at the position opposite to the groove 17, and an unqualified box 19 is arranged on one side of the air cylinder 18.

When the checking and protecting die 6 detects that the height of the retainer is unqualified, the groove 17 on the carrying plate 16 hooks an unqualified bearing and is driven to an unqualified box 19 by the cylinder 18; when the checking and protecting die 6 detects that the height of the retainer is qualified, the carrying plate 16 transports the bearing in the die holder sleeve mandrel 7 to the next procedure.

The utility model discloses a concrete operating procedure as follows: the inner ring and the outer ring of the bearing are rotated firstly, so that the distribution positions and the quantity of the steel balls are convenient to detect, then the bearing is placed into a die holder sleeve mandrel 7 in a die holder sleeve base 1, and then the bearing outer ring is fixed. Then sliding the base 1 of the die sleeve to the position below the closing die 2, operating the closing die 2 to close the steel balls in the bearing, continuously sliding the base 1 of the die sleeve forward to the position below the ball separating die 3, and uniformly distributing the steel balls between the outer ring of the bearing and the inner ring of the bearing by the ball separating die 3; continuously sliding the die seat cover base 1 forwards to the position below the ball checking die 4, enabling the number of the proximity switches at the bottom of the ball checking die 4 to be exactly the same as that of the steel balls, and enabling the proximity switches to contact the steel balls and then retract, so that whether the steel balls are lacked or not is checked, and therefore the fact that the steel balls are lacked due to various reasons can be detected; and then continuously sliding the die sleeve base 1 forwards to the position below the pressing and holding die 5, conveying the raw material of the retainer on the vibration disc 8 at the moment, conveying the raw material of the retainer to the positioning station base 9 through the vibration disc 8, detecting the position of the pocket hole of the retainer by the infrared sensor 10 and feeding back the position to the controller, and driving the motor to rotate by a proper angle by the controller and positioning the motor corresponding to the steel ball in the bearing. Then the pressing and holding die 5 slides to take away the raw material of the retainer, slides to the upper part of the sliding die holder sleeve base 1 again, then the pressing and holding die 5 is pressed downwards, the lower surface of the sliding die holder sleeve base 1 is synchronously dropped due to the connection of the first spring 12, and flows out of the space where the retainer slides into the steel ball, so that the retainer smoothly slides into the bearing. Continuously sliding the die holder sleeve base 1 to the inspection and protection die 6, enabling the inspection and protection die 6 to fall to inspect whether the height of the retainer meets the requirement of a product, and if so, transporting the bearing in the die holder sleeve mandrel 7 to the next procedure by the carrying plate 16; if not, the groove 17 in the carrying plate 16 hooks the bearing in the die holder sleeve mandrel 7 and pushes the unqualified bearing into the unqualified box 19 by the operation of the air cylinder 18. Thus, a process of pressing the retainer of the eccentric bearing is completed.

The utility model provides a slide of die holder cover base 1 can adopt ordinary lead screw to slide with the drive mode of motor, also can adopt gliding drive mode wantonly among the prior art. The utility model provides a put together mould 2, divide ball mould 3, test and protect mould 6 and all adopt the mould on corresponding in the corresponding step of prior art, no longer detail here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

The pressing holder device of the CAM eccentric bearing is characterized in that: the ball sorting machine comprises a rack, wherein a movable die seat sleeve base is arranged on the rack, and a gathering die, a ball separating die, a ball checking die, a pressing and maintaining die and a checking and protecting die are sequentially arranged on the rack according to the moving direction of the die seat sleeve base; a die holder sleeve mandrel is arranged in the die holder sleeve base and used for fixing a bearing outer ring; a vibration disc for loading the raw material of the retainer is arranged on one side of the pressing and holding die, a positioning station base for placing the raw material of the retainer is arranged on one side of the pressing and holding die, and the positioning station base is connected with a motor; and an infrared sensor for positioning the cage pocket is arranged at a position opposite to the positioning station base and is connected with a controller, and the controller is connected with the motor.
2. The CAM eccentric bearing cage assembly of claim 1, wherein: the die holder is characterized by further comprising a bottom plate, and a first spring is connected between the bottom plate and the die holder sleeve base.
3. The CAM eccentric bearing cage assembly of claim 1, wherein: the pressing and holding die is connected to the rack in a sliding mode and comprises a telescopic rod, a second spring and a pressing head, and the pressing head is arranged in a hollow mode.
4. The CAM eccentric bearing cage assembly of claim 1, wherein: the ball inspection die is characterized in that a proximity switch is arranged at the bottom of the ball inspection die and connected with a controller, and the controller is connected with an alarm indicating lamp.
5. The CAM eccentric bearing cage assembly of claim 1, wherein: one side of the checking and protecting die is further provided with a carrying plate, a groove for hooking the unqualified bearing is formed in the carrying plate, an air cylinder is arranged at the position opposite to the groove, and an unqualified box is arranged on one side of the air cylinder.
6. The CAM eccentric bearing cage assembly of claim 5, wherein: when the checking and protecting die detects that the height of the retainer is unqualified, the groove on the carrying plate hooks the unqualified bearing and is driven to an unqualified box by the cylinder; and when the checking and protecting die detects that the height of the retainer is qualified, the carrying plate conveys the bearing in the die seat sleeve mandrel to the next procedure.