CN211490374U

CN211490374U - Press-fitting clamp applying hydraulic balance principle

Info

Publication number: CN211490374U
Application number: CN201922380203.9U
Authority: CN
Inventors: 贝科东; 卫海蓉
Original assignee: Jiangsu Mingou Precision Machinery Co ltd
Current assignee: Jiangsu Mingou Precision Machinery Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-15
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses an use pressure equipment anchor clamps of hydraulic balance principle relates to pressure equipment anchor clamps technical field, and when pressing for solving current pressure equipment anchor clamps, if hydraulic pressure force is great, it is unbalanced to lead to the atress easily, causes guide pillar or centering mechanism skew to warp, influences the problem of the yield of pressure equipment. The upper surface of pressure equipment platform is provided with down and presses the seat, the upper surface that presses the seat down is provided with the part and places the face, the inside of pressing the seat down is provided with centering rod, and the one end of centering rod runs through and extends to the part and places the outside of face, reset spring is installed to the other end of centering rod, and reset spring's one end and the inner wall fixed connection who presses the seat down, the side guide arm is all installed to the both sides of centering rod, the inner wall both sides that press the seat down all are provided with the guide ring, rubber buffer post is all installed to the corner of pressure equipment platform.

Description

Press-fitting clamp applying hydraulic balance principle

Technical Field

The utility model relates to a pressure equipment anchor clamps technical field specifically is a pressure equipment anchor clamps of applied hydraulic balance principle.

Background

The press-mounting machine is a novel mechanical and electrical integration precision machine tool and is widely used for press-mounting and assembling various part products; the system can calculate pressure signals and displacement signals at a speed of five hundred times per second to make various alarms and draw curves. The digital press-fitting machine can be used for press-fitting of an insert of an engine rocker arm assembly and a rocker arm in an interference fit manner, combination of a gasoline engine piston and a piston pin, press-fitting of a bearing and a shaft sleeve in an interference fit manner, press-fitting of a motor rotor and a rotating shaft, and use in various interference fittings of the automobile industry, the motor industry and the like, and is high-performance, high-precision and high-efficiency press-fitting detection equipment.

However, when the existing press-fitting clamp is pressed, if the hydraulic pressure is large, the stress is unbalanced easily, so that the guide pillar or the centering mechanism is deflected and deformed, and the press-fitting yield is influenced; therefore, the existing requirements are not met, and a press-fitting clamp applying a hydraulic balance principle is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an use pressure equipment anchor clamps of hydraulic balance principle to when solving the current pressure equipment anchor clamps pressfitting that provides in the above-mentioned background art, if hydraulic pressure force is great, lead to the atress unbalance easily, cause guide pillar or centering mechanism skew to warp, influence the problem of the yield of pressure equipment.

In order to achieve the above object, the utility model provides a following technical scheme: a press fitting clamp applying a hydraulic balance principle comprises a press fitting table, wherein a lower press seat is arranged on the upper surface of the press fitting table, a part placing surface is arranged on the upper surface of the lower press seat, a centering rod is arranged inside the lower press seat, one end of the centering rod penetrates through and extends to the outside of the part placing surface, a return spring is arranged at the other end of the centering rod, one end of the return spring is fixedly connected with the inner wall of the lower press seat, side guide rods are arranged on two sides of the centering rod, guide rings are arranged on two sides of the inner wall of the lower press seat, rubber buffer columns are arranged at corners of the press fitting table, a press fitting plate is arranged above the press fitting table, two guide columns are arranged between the press fitting table and the press fitting plate, one end of each guide column is fixedly connected with the press fitting table, and the other end of each guide column penetrates through and extends to the outside of the press fitting plate, and install linear bearing with the junction of pressed close board, the lower surface of pressed close board is provided with the pressure head, the upper surface of pressed close board is provided with the pneumatic cylinder connecting rod.

Preferably, the lower end of the rubber buffer column is provided with a screw rod mechanism, and the rubber buffer column is in threaded connection with the press mounting table through the screw rod mechanism.

Preferably, the centering rod is connected with a guide ring on the inner wall of the lower pressing seat in a sliding mode through a side guide rod.

Preferably, the lower end of the side guide rod is provided with a rubber head.

Preferably, the joint of the centering rod and the part placing surface is provided with a wear-resistant ring.

Preferably, the lower pressing seat is in threaded connection with the pressing table through screws, and the number of the screws is four.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an installation rubber buffering post in the corner of pressure equipment platform, and the height of rubber buffering post is higher than the best height of pressfitting slightly, and it can play the effect of supporting the buffering when hydraulic pressure force is set value too big, avoids it to continue to move down, leads to the work piece to excessively receive the pressure to damage to shorten because of the pressure equipment distance, so reduced the guide pillar atress inequality, the condition of taking place to warp takes place.

2. Through the both sides installation side guide arm at the centering rod, and side guide rod and the guide ring sliding connection who pushes down the seat inner wall for the flexible process of centering rod is more steady, has reduced its condition emergence that takes place the skew deformation at the in-process that moves down, and the rubber head of its lower extreme can move down the time with the interior bottom surface contact who pushes down the seat, plays spacing effect, avoids reset spring excessively to be pressed deformation, and the condition that leads to unable reseing takes place.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the pressing base of the present invention;

fig. 3 is a schematic top view of the press-fitting table of the present invention;

in the figure: 1. a press mounting table; 2. a rubber cushion column; 3. a screw mechanism; 4. pressing down the base; 5. a part placement surface; 6. a centering rod; 7. a guide post; 8. pressing the plywood; 9. a linear bearing; 10. a hydraulic cylinder connecting rod; 11. an upper pressure head; 12. a wear ring; 13. a return spring; 14. a side guide bar; 15. a guide ring; 16. a rubber head; 17. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a press fitting clamp applying a hydraulic balance principle comprises a press fitting table 1, wherein a lower pressing seat 4 is arranged on the upper surface of the press fitting table 1, a part placing surface 5 is arranged on the upper surface of the lower pressing seat 4, a centering rod 6 is arranged inside the lower pressing seat 4, one end of the centering rod 6 penetrates through and extends to the outside of the part placing surface 5, a reset spring 13 is arranged at the other end of the centering rod 6, one end of the reset spring 13 is fixedly connected with the inner wall of the lower pressing seat 4, side guide rods 14 are arranged on two sides of the centering rod 6, guide rings 15 are arranged on two sides of the inner wall of the lower pressing seat 4, rubber buffer columns 2 are arranged at corners of the press fitting table 1, a press fitting plate 8 is arranged above the press fitting table 1, guide columns 7 are arranged between the press fitting table 1 and the press fitting plate 8, two guide columns 7 are arranged on the guide columns 7, one ends of the guide columns 7 are fixedly connected with the press fitting table 1, and the, and the junction with pressfitting board 8 installs linear bearing 9, and pressfitting board 8's lower surface is provided with pressure head 11, and pressfitting board 8's upper surface is provided with pneumatic cylinder connecting rod 10.

Further, the lower extreme of rubber cushion post 2 is provided with screw mechanism 3, and rubber cushion post 2 passes through screw mechanism 3 and 1 threaded connection of pressure equipment platform, and rubber cushion post 2 can play the effect of supporting the buffering when pressure equipment board 8 excessively extrudees under the hydraulic pressure effect, avoids it to move down continuously, leads to the work piece to excessively receive the pressure to damage to shorten because of the pressure equipment distance, so reduced the guide pillar 7 atress inequality, the condition of taking place to warp takes place.

Furthermore, the centering rod 6 is slidably connected with the guide ring 15 on the inner wall of the lower pressing seat 4 through the side guide rod 14, so that the telescopic process of the centering rod 6 is more stable, and the occurrence of the condition that the centering rod is deviated and deformed in the downward moving process is reduced.

Further, rubber head 16 is installed to the lower extreme of side guide 14 for side guide 14 can rely on rubber head 16 and the interior bottom surface contact of pushing down seat 4 when moving down the in-process, avoids reset spring 13 excessive compression deformation, leads to the condition emergence that can't reset.

Further, wear-resisting ring 12 is installed to the junction of centering rod 6 and part placing surface 5, and wear-resisting ring 12 has improved the wear resistance of connecting portion, has prolonged the life of centering rod 6.

Further, the lower pressing seat 4 is in threaded connection with the pressing table 1 through four screws 17, and the screws 17 are installed in a threaded connection mode, so that the press-mounting table is convenient to disassemble, assemble and maintain.

The working principle is as follows: when the device is used, the device is mainly used for press fitting of a bearing end cover, firstly, a bearing is inserted on a centering rod 6 for positioning, then, an upper end cover is sleeved on the outer ring of the bearing, the press fitting work can be started, a hydraulic cylinder connecting rod 10 is connected with the output end of a hydraulic cylinder during press fitting, a pressing plate 8 is driven to move downwards, so that an upper pressing head 11 is pressed with a lower pressing seat 4, the press fitting work of the bearing and the end cover is completed, when the pressing plate 8 moves downwards, if a little deviation exists in hydraulic pressure, and when the pressure is set to be larger, rubber buffer columns 2 around a press fitting table 1 can play a role of supporting and buffering, so that the press fitting table can avoid the press fitting table from moving downwards continuously to cause excessive damage to a workpiece, when the upper pressing head 11 is pressed with the lower pressing seat 4, the centering rod 6 can move downwards under the action of a reset spring 13, after the press fitting is completed, the reset is, the situation that the centering rod 6 is subjected to offset deformation in the downward moving process is reduced.

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 being indicated by the appended claims rather than by the foregoing description, and all changes which 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.

Claims

1. The utility model provides an use pressure equipment anchor clamps of hydraulic balance principle, includes pressure equipment platform (1), its characterized in that: the upper surface of the press mounting table (1) is provided with a lower pressing seat (4), the upper surface of the lower pressing seat (4) is provided with a part placing surface (5), a centering rod (6) is arranged inside the lower pressing seat (4), one end of the centering rod (6) penetrates through and extends to the outside of the part placing surface (5), the other end of the centering rod (6) is provided with a reset spring (13), one end of the reset spring (13) is fixedly connected with the inner wall of the lower pressing seat (4), two sides of the centering rod (6) are respectively provided with a side guide rod (14), two sides of the inner wall of the lower pressing seat (4) are respectively provided with a guide ring (15), the corners of the press mounting table (1) are respectively provided with a rubber column (2), a press mounting plate (8) is arranged above the press mounting table (1), a guide column (7) is arranged between the press mounting table (1) and the press mounting plate (8), and guide pillar (7) are provided with two, the one end and the pressure equipment platform (1) fixed connection of guide pillar (7), the other end of guide pillar (7) runs through and extends to the outside of pressfitting board (8), and installs linear bearing (9) with the junction of pressfitting board (8), the lower surface of pressfitting board (8) is provided with pressure head (11), the upper surface of pressfitting board (8) is provided with pneumatic cylinder connecting rod (10).

2. A press-fitting jig using a hydraulic balance principle as set forth in claim 1, wherein: the lower end of the rubber buffer column (2) is provided with a screw rod mechanism (3), and the rubber buffer column (2) is in threaded connection with the press mounting table (1) through the screw rod mechanism (3).

3. A press-fitting jig using a hydraulic balance principle as set forth in claim 1, wherein: the centering rod (6) is connected with a guide ring (15) on the inner wall of the lower pressing seat (4) in a sliding way through a side guide rod (14).

4. A press-fitting jig using a hydraulic balance principle as set forth in claim 1, wherein: the lower end of the side guide rod (14) is provided with a rubber head (16).

5. A press-fitting jig using a hydraulic balance principle as set forth in claim 1, wherein: and a wear-resistant ring (12) is arranged at the joint of the centering rod (6) and the part placing surface (5).

6. A press-fitting jig using a hydraulic balance principle as set forth in claim 1, wherein: the pressing base (4) is in threaded connection with the pressing table (1) through screws (17), and four screws (17) are arranged.