CN111250961A - In-place floating mechanism in bushing press fitting - Google Patents

Abstract

The application discloses relocation mechanism that targets in place in bush pressure equipment, including the cylinder that is fixed in the lathe and the relocation mechanism who is fixed in the pincers body, cylinder and the coaxial setting of relocation mechanism, relocation mechanism including connect in the mount pad of the pincers body with through the elastic component slide set up in the stud of mount pad. This application simple structure utilizes the cylinder to make the pincers body arrive the pressure equipment position after, through the relocation mechanism that slides and set up, under the effect of elastic component, makes the pincers body trace float, has satisfied welding error, improves the pressure equipment precision, avoids appearing local gnawing phenomenon.

Description

In-position float mechanism in bushing press fit

technical field

The present application relates to the field of automated machinery, and in particular, to a position-floating mechanism in bushing press-fitting.

Background technique

In the process of installing the positioning bushing, the method of manual hammer pressing or direct pressing by a press is usually used. Although the method of direct pressing by a press can improve the pressing efficiency of the positioning bushing, after the clamp body reaches the designated position, Micro-floating cannot be achieved, the pressing force is unbalanced, and there is a local gnawing phenomenon. Along with the processing, the quality requirements of the parts are getting higher and higher, and it is required that the outer surface of the parts should not be deformed during assembly. Improvements are therefore required.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an in-position floating mechanism in the press-fitting of a bushing, so as to overcome the deficiencies in the prior art.

To achieve the above object, the present invention provides the following technical solutions:

The embodiment of the present application discloses an in-position floating mechanism in bushing press-fitting, including a cylinder fixed to a machine tool and a floating mechanism fixed to a caliper body, the cylinder and the floating mechanism are coaxially arranged, and the floating mechanism includes a The mounting seat of the caliper body and the stud bolts slidably arranged on the mounting seat through the elastic piece.

Preferably, in the above-mentioned floating mechanism in the press-fitting of the bushing, one end of the stud bolt close to the cylinder is connected with a floating joint through a connecting head, and the end of the piston rod of the cylinder is connected with the floating joint Correspondingly set pressure head.

Preferably, in the above-mentioned in-position floating mechanism in the press-fitting of the bushing, the mounting seat is a T-shaped structure, including a detachable and detachable base plate of the clamp body and a workbench perpendicular to the base plate, and the bottom plate is recessed with A long waist-shaped installation hole, a through hole is recessed in the worktable, and the stud bolt slides through the through hole.

Preferably, in the above-mentioned in-position floating mechanism in the press-fitting of the bushing, the elastic members are two springs, which are respectively disposed on both sides of the worktable and sleeved on the stud bolts.

Preferably, in the above-mentioned in-position floating mechanism in the press-fitting of the bushing, pressing blocks are respectively provided on the sides of the two springs facing away from the worktable.

Preferably, in the above-mentioned in-position floating mechanism in the press-fitting of the bushing, the pressing block is connected to the stud bolt through a thread, and the pressing block is sleeved on the end corresponding to the spring corresponding to the spring.

Preferably, in the above-mentioned in-position floating mechanism in the press-fitting of the bushing, a locking nut is provided on the end of the pressing block facing away from the corresponding spring, and the side of the one end of the pressing block facing away from the corresponding spring is processed with a side surface. Clamping surface.

Preferably, in the above-mentioned in-position floating mechanism in the press-fitting of the bushing, a clamping table protrudes from one end of the stud bolt facing away from the cylinder.

Compared with the prior art, the present invention has the advantages that the structure of the in-position floating mechanism in the press-fitting of the bushing is simple, and after the caliper body reaches the press-fitting position by using the cylinder, the floating mechanism provided by sliding is used under the action of the elastic member. , so that the clamp body floats in a small amount, which can meet the welding error, improve the precision of pressing, and avoid the phenomenon of local gnawing.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments described in this application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of the in-position floating mechanism in the bushing press-fitting according to a specific embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to Figure 1, a floating mechanism in place in the press-fitting of a bushing includes a cylinder 1 fixed to the machine tool and a floating mechanism 2 fixed to the caliper body. The cylinder 1 and the floating mechanism 2 are coaxially arranged, and the floating mechanism 2 includes a connection. The mounting seat 21 of the caliper body and the stud bolt 23 slidably arranged on the mounting seat 21 through the elastic member 22 .

In this technical solution, the stud bolts and the piston rod of the cylinder are coaxially arranged, the cylinder is controlled by an external magnetic switch and a solenoid valve, etc., the cylinder piston extends, squeezes the stud bolt, and then the solenoid valve exhausts, in the role of the elastic member Force, the clamp body returns through the linear guide, and stops after reaching the balance of the elastic parts. During the press-fitting process, the relative position can float slightly, the press-fitting force is relatively balanced, and there will be no local gnawing phenomenon. The bushing is in place during press-fitting. The structure of the floating mechanism is simple. After the cylinder is used to make the clamp body reach the press-fitting position, the floating mechanism set by sliding is used to make the clamp body float slightly under the action of the elastic member, which can meet the welding error, improve the press-fitting accuracy, and avoid local gnawing. edge phenomenon.

Further, one end of the stud bolt 23 close to the cylinder 1 is connected with the floating joint 4 through the connecting head 3 , and the end of the piston rod of the cylinder 1 is connected with the pressure head 11 corresponding to the floating joint 4 .

In this technical solution, a threaded hole is processed in the center of the connecting head, and the two ends are respectively connected to the floating joint and the stud bolt. By setting the floating joint, the possible "eccentricity" between the stud bolt and the cylinder piston can be absorbed, even if the coaxiality At the same time, it can prevent the damage of the sealing ring caused by the uneven force on the piston rod of the cylinder, and prolong the life of the cylinder.

Further, the mounting seat 21 is a T-shaped structure, including a workbench that can be detachably fixed to the bottom plate of the clamp body and perpendicular to the bottom plate, the bottom plate is concavely provided with a long waist-shaped mounting hole (not shown), and the workbench is concavely provided with a long waist-shaped mounting hole (not shown). Through holes, stud bolts 23 slide through the through holes.

In this technical solution, the bottom plate is installed on the clamp body through its own installation holes and external bolts, and the installation holes are long waist-shaped, which can improve the installation accuracy of the stud bolts

Further, the elastic members 22 are two springs, which are respectively disposed on both sides of the worktable and sleeved on the stud bolts 23 .

In this technical solution, during the press-fitting process, the spring makes the relative position of the clamp body float slightly, the press-fitting force is relatively balanced, and there is no local gnawing phenomenon.

Further, pressing blocks 5 are respectively provided on the sides of the two springs facing away from the worktable.

Further, the pressing block 5 is connected to the stud bolts 23 through threads, and one end of the pressing block 5 close to the corresponding spring is sleeved on the corresponding spring.

In the above two technical solutions, a stepped hole (not shown) is processed in the pressing block, including a threaded section and a pressure cavity, the pressing block is connected to the thread of the stud bolt, and the corresponding spring is compressed and fixed, and the pressing block ensures the spring The force is always not axial.

Further, a locking nut 6 is provided at one end of the pressing block 5 facing away from the corresponding spring, and a clamping surface 51 is processed on the side surface of one end of the pressing block facing away from the corresponding spring.

In this technical solution, the locking nut and the corresponding pressing block are interlocked to avoid the spring failure caused by the loosening of the pressing block.

Further, a clamping table 231 protrudes from one end of the stud bolt 23 away from the cylinder 1 .

In this technical solution, it is convenient to clamp during installation and avoid following rotation.

To sum up, the in-position floating mechanism in the bushing press-fitting is simple in structure. After the cylinder is used to make the clamp body reach the press-fitting position, the floating mechanism set by sliding is used to make the clamp body float slightly under the action of the elastic member. Satisfy the welding error, improve the precision of pressing, and avoid the phenomenon of local gnawing.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article, or device that includes the element.

The above are only specific embodiments of the present application. It should be pointed out that for those skilled in the art, without departing from the principles of the present application, several improvements and modifications can also be made. It should be regarded as the protection scope of this application.

Claims (8)

1. A floating mechanism in place in the press-fitting of a bushing, characterized in that it comprises a cylinder fixed to a machine tool and a floating mechanism fixed to a clamp body, the cylinder and the floating mechanism are coaxially arranged, and the floating mechanism comprises a The mounting seat of the caliper body and the stud bolts slidably arranged on the mounting seat through the elastic piece. 2. The in-position floating mechanism in bushing press-fitting according to claim 1, wherein one end of the stud bolt close to the cylinder is connected with a floating joint through a connecting head, and the end of the piston rod of the cylinder is connected with There is an indenter corresponding to the floating joint. 3. The in-position floating mechanism in bushing press-fitting according to claim 1, characterized in that: the mounting seat is a T-shaped structure, including a detachable and detachable fixed on the bottom plate of the clamp body and a workbench perpendicular to the bottom plate, so A long waist-shaped mounting hole is recessed in the bottom plate, a through hole is recessed in the worktable, and the stud bolt slides through the through hole. 4. The in-position floating mechanism in bushing press-fitting according to claim 3, wherein the elastic member is two springs, which are respectively arranged on both sides of the worktable and are sleeved on the double-heads. bolt. 5. The in-position floating mechanism in the press-fitting of the bushing according to claim 4, wherein a pressing block is respectively provided on the side of the two springs facing away from the working table. 6 . The in-position floating mechanism in bushing press-fitting according to claim 5 , wherein the pressing block is connected to the stud bolt through a thread, and the pressing block is close to one end corresponding to the spring. 7 . is sleeved on the corresponding spring. 7 . The in-position floating mechanism in bushing press-fitting according to claim 6 , wherein a locking nut is provided at one end of the pressing block facing away from the corresponding spring, and the pressing block is facing away from the corresponding spring. 8 . One end side of the spring is machined with a clamping surface. 8 . The in-position floating mechanism in bushing press-fitting according to claim 1 , wherein a clamping table protrudes from one end of the stud bolt facing away from the cylinder. 9 .

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