CN217291214U

CN217291214U - Two-end bearing or bush pressing device

Info

Publication number: CN217291214U
Application number: CN202122724993.5U
Authority: CN
Inventors: 程庚; 李玲; 李质
Original assignee: Wuhan Zhonghang Fine Blanking Technology Branch Of Hubei Zhonghang Fine Blanking Technology Co ltd
Current assignee: Wuhan Zhonghang Fine Blanking Technology Branch Of Hubei Zhonghang Fine Blanking Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-08-26
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to a both ends bearing or bush equipment of impressing. The invention makes the booster cylinder provide the boosting pressing force which generates two directions by switching the rigid connection position of the booster cylinder. Specifically, through the switching cooperation of first bolt and second bolt, make the pressurized cylinder that only can provide one-way pressure boost accomplish the bearing of both ends and impress, realize providing the power of impressing by single pressurized cylinder, the purpose that the bearing of both ends was impressed can be accomplished to a part clamping.

Description

Two-end bearing or bush pressing-in equipment

Technical Field

The utility model belongs to the machining field, concretely relates to both ends bearing or bush equipment of impressing.

Background

In the current shifting fork product design, there are many product designs which need self-lubricating sleeves or bearings with two ends pressed. If the force required by press mounting is small, the selection range of the corresponding cylinder is wide, the volume is relatively small, and the mechanical design can be flexibly carried out. However, when the pressing force requirement is large, a booster cylinder is needed. The booster cylinder has the characteristics of large cylinder body volume, large boosting output and small return force. If the two ends of the product need to be pressed, the pressurizing cylinders need to be arranged on the two sides according to the conventional thought, and the solution can cause high cost and large equipment volume. If the parts are clamped twice and the bearing press-fitting at the two ends is carried out respectively, the efficiency is obviously reduced, and the risk of neglected installation or multi-installation exists. In this case from cost and efficiency considerations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a both ends bearing or bush equipment of impressing to prior art not enough.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

a bearing or bush pressing-in device with two ends comprises a bottom plate, a pressurizing cylinder, a box-shaped frame base, a headstock and a slide rail, wherein the box-shaped frame base is arranged on the bottom plate, is connected with the bottom plate through the slide rail and can slide on the slide rail, the headstock and a clamp are arranged in the box-shaped frame base, a second bearing or bush pressing head is arranged at the tail end of the box-shaped frame base, and the clamp is located between the headstock and the second bearing or bush pressing head and is fixedly arranged on the bottom plate; the cylinder barrel of the booster cylinder is fixed with the head end of the box-shaped frame base, a piston rod of the booster cylinder is connected with the head seat, and a first bearing or bushing pressure head is arranged at the front end of the piston rod of the booster cylinder; a first inserting hole corresponding to the first bolt is formed in the box-shaped frame base, and the corresponding position on the bottom plate is correspondingly provided with the first bolt; a second inserting hole corresponding to the second bolt is formed in the head seat, and the second bolt is arranged at the corresponding position on the bottom plate; when a first bolt at the base of the box-shaped frame is inserted into the first insertion hole, the pressurizing cylinder pressurizes, the headstock moves forwards, and the first bearing is pressed in; when the second bolt at the head seat is inserted into the second insertion hole, the pressurizing cylinder pressurizes, and the box-shaped frame base seat integrally moves backwards and is pressed into the second bearing.

In the above scheme, the first bolt and the second bolt cannot be in the inserting state at the same time.

In the scheme, the reset cylinder is arranged between the box-shaped frame base and the head seat, the cylinder body of the reset cylinder is connected with the box-shaped frame base, and the piston rod end of the reset cylinder is connected with the head seat.

Furthermore, a box-shaped frame base contact induction switch is arranged on the bottom plate and close to the box-shaped frame base, a headstock contact induction switch is arranged on the box-shaped frame base and close to the headstock, and the box-shaped frame base contact induction switch and the headstock contact induction switch respectively control the reset cylinder to reset the box-shaped frame base and reset the headstock, so that the bolt can be accurately inserted into the bolt hole.

Furthermore, a displacement sensor is arranged between the box-shaped frame base and the head seat, and the displacement sensor acquires a distance value between the box-shaped frame base and the head seat.

Furthermore, the device also comprises a press-in force detection device which is arranged on the head seat to complete the press-in force detection of the two ends.

The utility model discloses a core is the rigid connection position who switches supercharge cylinder, makes supercharge cylinder provide the pressure boost pressfit power that produces two directions. Specifically, through the switching cooperation of first bolt and second bolt, make the pressurized cylinder that only can provide one-way pressure boost accomplish the bearing of both ends and impress, realize providing the power of impressing by single pressurized cylinder, the purpose that the bearing of both ends was impressed can be accomplished to a part clamping.

The utility model has the advantages that:

1. the assembly of the two ends of the part with the bearing or bushing is completed in one cycle of action. The production efficiency can be effectively improved, and the problem that the bearing is assembled less or repeatedly in the twice assembly scheme is solved.

2. The press-in action of the bearings at the two ends can be completed only by adopting one pressurizing cylinder, so that the equipment space and the equipment cost are saved.

3. And the press-in force detection and displacement sensing system is further matched, so that the monitoring error of the press-in forces at two ends is reduced.

Drawings

Fig. 1 is a schematic structural view of the two-end bearing or bushing pressing device of the present invention.

Fig. 2 is a schematic diagram of the piston rod of the two-end bearing or bushing pressing device according to the present invention for releasing the pressing-in end a.

Fig. 3 is a schematic view of the piston rod retraction of the two-end bearing or bushing pressing device of the present invention.

Fig. 4 is the schematic diagram of the two-end bearing or bush pressing-in device according to the present invention, which is pushed out of the pressing-in B end after the piston rod is retracted.

In the figure: 1 pressurized cylinder, 2 box frame bases, 3 sliding rails, 4 reset cylinders, 5 headstock, 6 bottom plate, 7 first bolt, 8 second bolt, 9 displacement sensor, 10 contact inductive switch, 11 anchor clamps.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1, a two-end bearing or bushing press-in device comprises a bottom plate 6, a pressurizing cylinder 1, a box-shaped frame base 2, a headstock 5 and a slide rail 3, wherein the box-shaped frame base 2 is arranged on the bottom plate, is connected with the bottom plate 6 through the slide rail 3 and can slide on the slide rail, the headstock 5 and a clamp 11 are arranged in the box-shaped frame base, a second bearing or bushing press head is arranged at the tail end of the box-shaped frame base, and the clamp 11 is positioned between the headstock and the second bearing or bushing press head and is fixedly arranged on the bottom plate; the cylinder barrel of the booster cylinder is fixed with the head end of the box-shaped frame base, the piston rod of the booster cylinder is connected with the head seat, and the front end of the piston rod of the booster cylinder is provided with a first bearing or a lining pressure head; a first insertion hole corresponding to the first bolt 7 is formed in the box-shaped frame base, and the first bolt 7 is correspondingly arranged at the corresponding position on the bottom plate; a second insertion hole corresponding to the second bolt 8 is formed in the head seat, and the second bolt 8 is arranged at the corresponding position on the bottom plate; when a first bolt at the base of the box-shaped frame is inserted into the first insertion hole, the pressurizing cylinder pressurizes, the headstock moves forwards, and the first bearing A is pressed in; when the second bolt at the head seat is inserted into the second insertion hole, the pressurizing cylinder pressurizes, and the box-shaped frame base integrally moves backwards and is pressed into the second bearing B.

Further, preferably, a reset cylinder 4 is arranged between the box-shaped frame base and the head seat, the front end of a cylinder body of the reset cylinder is connected with the box-shaped frame base, and a piston rod end of the reset cylinder is connected with the head seat. Furthermore, a box-shaped frame base contact induction switch is arranged on the bottom plate and close to the box-shaped frame base, a headstock contact induction switch is arranged on the box-shaped frame base and close to the headstock, and the box-shaped frame base contact induction switch and the headstock contact induction switch respectively control the reset cylinder to reset the box-shaped frame base and reset the headstock, so that the bolt can be accurately inserted into the bolt hole.

When the A-end bearing is pressed in, the first bolt 1 is inserted, the box-shaped frame base is rigidly connected with the bottom plate through the insertion of the first bolt 1, the A-end bearing is pressed in by pressurization of the pressurization cylinder, and the force detection device arranged on the head seat simultaneously detects real-time pressure in the pressing-in process. After the pressing action is finished, the small reset cylinder and the corresponding displacement sensor are used for monitoring, so that the head seat pin hole corresponds to the second bolt 2. The first pin 1 is withdrawn and the second pin 2 is inserted. When the B-end bearing is pressed in, the headstock is rigidly connected with the bottom plate through the insertion of the second bolt, the pressurizing cylinder pressurizes, and the box-shaped frame base integrally moves backwards to complete the pressing-in action. After the pressing action is finished, the box-shaped frame base is reset through the small resetting cylinder and the monitoring of the corresponding displacement sensor, and the pin hole of the box-shaped frame base corresponds to the first bolt. And finishing the action cycle.

Furthermore, a displacement sensor 9 is arranged between the box-shaped frame base and the head seat, and the displacement sensor is connected with the box-shaped frame base and the head seat; and acquiring a distance value signal between the base and the head seat of the box-shaped frame, taking the distance value as a horizontal axis of a force displacement curve, and taking the pressing-in force as a vertical axis of the force displacement curve to generate the force displacement curve in the pressing-in process. Further, the pressure detection device mounted on the head seat simultaneously detects the real-time pressure in the pressing process. Therefore, the monitoring error of the press-in force at two ends is reduced by matching with the press-in force detection and displacement sensing system.

It will be understood that modifications and variations are possible to those skilled in the art in light of the above teachings and that all such modifications and variations are considered to be within the purview of the invention as set forth in the appended claims.

Claims

1. The two-end bearing or bushing press-in equipment is characterized by comprising a bottom plate, a pressurizing cylinder, a box-shaped frame base, a headstock and a slide rail, wherein the box-shaped frame base is arranged on the bottom plate and is connected with the bottom plate through the slide rail and can slide on the slide rail; the cylinder barrel of the booster cylinder is fixed with the head end of the box-shaped frame base, a piston rod of the booster cylinder is connected with the head seat, and a first bearing or bushing pressure head is arranged at the front end of the piston rod of the booster cylinder; a first inserting hole corresponding to the first bolt is formed in the box-shaped frame base, and the corresponding position on the bottom plate is correspondingly provided with the first bolt; a second inserting hole corresponding to the second bolt is formed in the head seat, and the second bolt is arranged at the corresponding position on the bottom plate; when a first bolt at the base of the box-shaped frame is inserted into the first insertion hole, the pressurizing cylinder pressurizes, the headstock moves forwards, and the first bearing is pressed in; when the second bolt at the head seat is inserted into the second insertion hole, the pressurizing cylinder pressurizes, and the box-shaped frame base integrally moves backwards and is pressed into the second bearing.

2. The two-end bearing or bushing press-in equipment according to claim 1, wherein a reset cylinder is installed between the box-shaped frame base and the head seat, a cylinder body of the reset cylinder is connected with the box-shaped frame base, and a piston rod end of the reset cylinder is connected with the head seat.

3. The two-end bearing or bushing press-in device according to claim 2, wherein the bottom plate is provided with a box frame base contact inductive switch at a position close to the box frame base, the box frame base is provided with a headstock contact inductive switch at a position close to the headstock, and the box frame base contact inductive switch and the headstock contact inductive switch respectively control the reset cylinder to reset the box frame base and reset the headstock so as to accurately insert the pin hole.

4. The two-end bearing or bushing press-in apparatus according to claim 1, wherein a displacement sensor is further installed between the box frame base and the head base, and the displacement sensor obtains a distance value between the box frame base and the head base.

5. The two-end bearing or bushing press-in apparatus according to claim 1, wherein the first pin and the second pin are not simultaneously in the inserted state.

6. The equipment for pressing the bearing or the bush at two ends according to claim 1, further comprising a pressing force detection device, wherein the pressing force detection device is arranged on the pressure boosting cylinder head seat to complete the pressing force detection at two ends.