A thrust needle cage window positioning mechanism

The mechanical positioning mechanism enables the window hole positioning of the thrust needle roller cage, solving the problem of inaccurate window hole positioning in the existing technology. This achieves efficient and reliable automated assembly and is suitable for thrust bearing assembly machines.

CN112855784BActive Publication Date: 2025-12-12SUZHOU DONGWU NEEDLE BEARING
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202110206153.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-24
Publication Date
2025-12-12
Estimated Expiration
2041-02-24

AI Technical Summary

Technical Problem

In existing technologies, it is difficult to achieve efficient and reliable automated assembly of the window hole positioning of the thrust needle roller cage, especially since the photoelectric sensing point finding method is prone to errors.

Method used

A mechanical point-finding mechanism is adopted. The cylinder drives the pressure rod to rise and press the retainer. The spring makes the rotating positioning sleeve flexibly press against the retainer. The boss on the rotating positioning sleeve matches the retainer. The tension spring drives the rotating positioning sleeve to rotate, rotating the window of the retainer to the needle hole position.

Benefits of technology

It achieves efficient and reliable positioning of the cage, reduces the failure rate, and is suitable for automated assembly of various thrust bearing assembly machines.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN112855784B_ABST
    Figure CN112855784B_ABST
Patent Text Reader

Abstract

The application discloses a thrust needle retainer window positioning mechanism, which comprises a base plate, a bottom plate, a rotating positioning sleeve and a pressing rod. The base plate is vertically arranged. The bottom plate is horizontally arranged. The bottom plate is movably arranged on the base plate. A supporting plate is fixedly arranged on the base plate. A fixed plate is movably arranged on the base plate. The bottom plate is below the supporting plate. A transverse feeding air cylinder and a positioning seat are arranged on the bottom plate. The piston rod of the transverse feeding air cylinder points to the positioning seat. The rotating positioning sleeve is inserted into the bottom plate. One end of the pressing rod is fixed to the fixed plate, and the other end of the pressing rod extends out through the supporting plate and the rotating positioning sleeve in sequence. A pull spring is arranged on each side of the rotating positioning sleeve. The two pull springs are connected with the base plate and the positioning seat respectively. The application can be used on various thrust bearing assembling machines to realize the positioning of the retainer window.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of needle bearing processing and manufacturing device, in particular to a kind of thrust needle retainer window positioning mechanism. BACKGROUND

[0002] Thrust needle retainer assembly needs to be realized automatic assembly, needs a variety of tooling mechanism combination together, such as needle device, feeding device, positioning device etc., and the window positioning of retainer feeding to needle part is a key mechanism, it is directly related to the success or failure of retainer needle machine, window positioning has mechanical point finding and photoelectric sensing point finding etc..Photoelectric point finding is more strict to product, environment etc., and is easy to produce interference error, the present application adopts mechanical point finding mechanism to realize retainer window positioning. SUMMARY

[0003] The present application provides a kind of thrust needle retainer window positioning mechanism, for various thrust bearing assembly machine, realizes retainer window positioning.

[0004] The working principle of the present application: a kind of thrust needle retainer window positioning mechanism, including base plate, bottom plate, rotating positioning sleeve and pressing bar;The base plate is vertically arranged;The bottom plate is horizontally arranged;The bottom plate is movably arranged on the base plate;The base plate is fixedly provided with support plate;The base plate is movably provided with fixed plate;The bottom plate is below the support plate;The bottom plate is provided with transverse feed cylinder and positioning seat;The piston rod of the transverse feed cylinder is directed to the positioning seat;The rotating positioning sleeve is inserted in the bottom plate;The pressing bar one end is fixed on the fixed plate, and the other end is sequentially inserted through support plate and rotating positioning sleeve and then extends;Rotating positioning sleeve is provided with a spring on each side;The two springs are connected with base plate and positioning seat respectively.

[0005] Further, the base plate is provided with pressing cylinder;The fixed plate is installed on the base plate by vertically arranged pressing guide rail and sliding block;The pressing cylinder drives fixed plate to move up and down along pressing guide rail.

[0006] Further, the bottom plate is installed on the base plate by vertically arranged bottom plate lifting guide rail and sliding block;The bottom plate is connected with bottom plate lifting cylinder;The bottom plate lifting cylinder drives bottom plate to move up and down along bottom plate lifting guide rail.

[0007] Further, the piston rod of the transverse feed cylinder is provided with push rod.

[0008] Further, the spring connected with the base plate is located between the push rod and the positioning seat.

[0009] Further, the side of the positioning seat towards the transverse feed cylinder is provided with positioning adjusting screw.

[0010] Further, the lower part of the rotating positioning sleeve extends out after penetrating the bottom plate; and the bottom of the rotating positioning sleeve is provided with a boss.

[0011] Further, a spring is sleeved on the pressing rod, and the spring is located between the supporting plate and the rotating positioning sleeve.

[0012] The present application has the following advantages: the pressing rod is driven by the air cylinder to press and hold the cage; the rotating positioning sleeve is flexibly pressed against the cage by the spring; the boss on the rotating positioning sleeve is matched with the cage; the tension spring drives the rotating positioning sleeve to rotate, thereby driving the cage to rotate, and rotating the window hole of the cage to the needle hole position. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 Fig. 1 is a structural schematic view of a thrust needle cage window positioning mechanism.

[0014] Figure 2 Fig. 4 is a schematic view of the position of the tension spring.

[0015] Figure 3 Fig. 5 is a structural schematic view of the rotating positioning sleeve.

[0016] In the figure, 1 is a base plate; 2 is a bottom plate lifting guide rail; 3 is a pressing air cylinder; 4 is a pressing guide rail; 5 is a supporting plate; 6 is a transverse feeding air cylinder; 7 is a bottom plate; 8 is a push rod; 9 is a bottom plate lifting air cylinder; 10 is a tension spring; 11 is a rotating positioning sleeve; 111 is a boss; 12 is a pressing rod; 13 is a positioning adjusting screw; 14 is a positioning seat; 15 is a spring; and 16 is a fixed plate. DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the present application, the present application will be further described in detail below in combination with the drawings and examples, which are only used to explain the present application and do not limit the protection scope of the present application.

[0018] As Figure 1 and Figure 2As shown in the figure, a thrust needle cage window positioning mechanism includes a base plate 1, a bottom plate 7, a rotating positioning sleeve 11 and a pressing rod 12; the base plate 1 is vertically arranged; the bottom plate 7 is horizontally arranged; the bottom plate 7 is movably arranged on the base plate 1; a supporting plate 5 is fixedly arranged on the base plate 1; a fixed plate 16 is movably arranged on the base plate 1; the bottom plate 7 is located below the supporting plate 5; a transverse feeding cylinder 6 and a positioning seat 14 are arranged on the bottom plate 7; the piston rod of the transverse feeding cylinder 6 points to the positioning seat 14; the rotating positioning sleeve 11 is inserted on the bottom plate 7; one end of the pressing rod 12 is fixed on the fixed plate 16, and the other end extends out after sequentially penetrating through the supporting plate 5 and the rotating positioning sleeve 11; one pull spring 10 is arranged on each side of the rotating positioning sleeve 11; the two pull springs 10 are connected with the base plate 1 and the positioning seat 14 respectively.

[0019] On the basis of the above, the base plate 1 is provided with a pressing cylinder 3; the fixed plate 16 is installed on the base plate 1 through a vertically arranged pressing guide rail 4 and a sliding block; the pressing cylinder 3 drives the fixed plate 16 to move up and down along the pressing guide rail 4.

[0020] On the basis of the above, the bottom plate 7 is installed on the base plate 1 through a vertically arranged bottom plate lifting guide rail 2 and a sliding block; the bottom plate 7 is connected with a bottom plate lifting cylinder 9 at the bottom; the bottom plate lifting cylinder 9 drives the bottom plate 7 to move up and down along the bottom plate lifting guide rail 2.

[0021] On the basis of the above, a push rod 8 is arranged on the piston rod of the transverse feeding cylinder 6.

[0022] On the basis of the above, the pull spring 10 connected with the base plate 1 is located between the push rod 8 and the positioning seat 14.

[0023] On the basis of the above, a positioning adjusting screw 13 is arranged on the side of the positioning seat 14 facing the transverse feeding cylinder 6.

[0024] As shown in the figure, Figure 1 and Figure 3 As shown in the figure, the lower part of the rotating positioning sleeve 11 extends out after penetrating through the bottom plate 7; a boss 111 is arranged at the bottom of the rotating positioning sleeve 11.

[0025] On the basis of the above, a spring 15 is sleeved on the pressing rod 12; the spring 15 is located between the supporting plate 5 and the rotating positioning sleeve 11.

[0026] In actual production, when the holder is sent to the needle loading station, the holder is located directly below the pressure rod 12, the pressure cylinder 3 drives the pressure rod 12 to press down, the pressure rod 12 first presses the holder; then the bottom plate lifting cylinder 9 drives the bottom plate 7 to descend, the spring 15 extrudes the rotating positioning sleeve 11 to descend, so that the rotating positioning sleeve 11 is flexibly pressed against the end face of the holder; the transverse feeding cylinder 6 pushes the push rod 8 to one of the tension springs 10, the tension spring 10 drives the rotating positioning sleeve 11 to rotate, in this process, the boss 111 of the rotating positioning sleeve 11 is automatically guided into the window hole of the holder, and the holder is driven to rotate together, until the push rod 8 abuts against the positioning adjusting screw, at this time, the window hole of the holder just reaches the needle loading hole position, and the holder point positioning operation is completed.

[0027] After the above-mentioned actions are completed, each cylinder is reset to drive the rotating positioning sleeve 11 and the pressure rod 12 to reset. In the resetting process, the bottom plate lifting cylinder 9 first drives the bottom plate 7 to rise, so that the rotating positioning sleeve 11 is separated from the holder, and then the transverse feeding cylinder 6 drives the push rod 8 to retreat.

[0028] The above-mentioned embodiments should not limit the present application in any way, and any technical solutions obtained by equivalent replacement or equivalent conversion fall within the protection scope of the present application.

Claims

1. A thrust needle cage window positioning mechanism characterized by: It includes base plate (1), bottom plate (7), rotating positioning sleeve (11) and pressure bar (12);The base plate (1) is vertically arranged;The bottom plate (7) is horizontally arranged;The bottom plate (7) is movably arranged on the base plate (1);The base plate (1) is fixedly provided with a support plate (5);The base plate (1) is movably provided with a fixed plate (16);The bottom plate (7) is below the support plate (5);The bottom plate (7) is provided with a transverse feeding cylinder (6) and a positioning seat (14);The piston rod of the transverse feeding cylinder (6) points to the positioning seat (14);The rotating positioning sleeve (11) is inserted in the bottom plate (7);One end of the pressure bar (12) is fixed on the fixed plate (16), and the other end is sequentially inserted through the support plate (5) and the rotating positioning sleeve (11) and then extends out; The base plate (1) is provided with a pressure cylinder (3);The fixed plate (16) is installed on the base plate (1) through the vertically arranged pressure guide rail (4) and the sliding block;The pressure cylinder (3) drives the fixed plate (16) to move up and down along the pressure guide rail (4); The bottom plate (7) is installed on the base plate (1) through the vertically arranged bottom plate lifting guide rail (2) and the sliding block;The bottom plate (7) is connected with a bottom plate lifting cylinder (9) at the bottom;The bottom plate lifting cylinder (9) drives the bottom plate (7) to move up and down along the bottom plate lifting guide rail (2); Each of the two sides of the rotating positioning sleeve (11) is provided with a tension spring (10);The two tension springs (10) are connected with the base plate (1) and the positioning seat (14) respectively; The rotating positioning sleeve (11) extends out after passing through the bottom plate (7);The rotating positioning sleeve (11) is provided with a boss (111) at the bottom; The transverse feeding cylinder (6) pushes the push rod (8) to one of the tension springs (10), and the tension spring (10) drives the rotating positioning sleeve (11) to rotate, in this process, the boss (111) of the rotating positioning sleeve (11) is automatically guided into the window hole of the retainer, and the retainer is driven to rotate together, until the push rod (8) abuts against the positioning adjusting screw.

2. A thrust roller pin retainer cage window positioning mechanism according to claim 1, characterized in that: The piston rod of the transverse feeding cylinder (6) is provided with a push rod (8).

3. A thrust roller pin retainer cage window positioning mechanism according to claim 1 wherein: The tension spring (10) connected with the base plate (1) is located between the push rod (8) and the positioning seat (14).

4. A thrust roller pin retainer cage window positioning mechanism according to claim 1 wherein: The positioning adjusting screw (13) is arranged on the side of the positioning seat (14) facing the transverse feeding cylinder (6).

5. A thrust roller pin retainer cage window positioning mechanism according to claim 1 wherein: The pressure bar (12) is provided with a spring (15);The spring (15) is located between the support plate (5) and the rotating positioning sleeve (11).

Citation Information

Patent Citations

  • Thrust roller pin retainer window hole positioning mechanism

    CN214424938U