CN217493292U

CN217493292U - Tool for press mounting of shaft parts

Info

Publication number: CN217493292U
Application number: CN202220772331.7U
Authority: CN
Inventors: 吕伟伟
Original assignee: Ningbo Jiangchen Dema Automation Equipment Co ltd
Current assignee: Ningbo Jiangchen Dema Automation Equipment Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-09-27
Anticipated expiration: 2032-03-31

Abstract

A tool for press mounting of shaft parts comprises a press mounting rod and a press mounting head connected to the bottom of the press mounting rod, wherein a fixing groove for fixing the shaft parts is further formed in the press mounting head, and a first fixing assembly and a second fixing assembly are arranged in the fixing groove; the first fixing component and the second fixing component act on the shaft parts and respectively complete circumferential and axial fixing of the shaft parts; the first fixing component is arranged on the side wall of the fixing groove and can abut against the periphery of the shaft part; the second fixing component comprises an air suction channel, wherein one end opening of the air suction channel is communicated with the fixing groove, and the other end opening of the air suction channel is communicated with an external vacuum generator; the utility model discloses be provided with the fixed subassembly of first fixed subassembly and second to realize counter shaft class part circumference and axial fixed respectively, make the connection between axle type part and the pressure equipment head more stable, ensure that axle type part can not produce the deflection at pressure equipment in-process.

Description

Tool for press mounting of shaft parts

Technical Field

The utility model relates to a frock clamp field, concretely relates to frock is used in axle type part pressure equipment.

Background

In the prior art, for the installation of shaft parts such as a positioning pin and a central shaft, the shaft parts are generally clamped on a press mounting head, the press mounting head can be connected to a press mounting rod of a hydraulic machine, the shaft parts are pressed into a workpiece to be installed by pressing down the press mounting rod, and finally the shaft parts are loosened by the press mounting head, so that the installation of the shaft parts can be completed;

however, the existing press-fitting heads are generally clamped on the peripheral sides of the shaft parts, so that only the circumferential fixation of the shaft parts can be completed, but the axial fixation of the shaft parts is lacked, and when certain press-fitting conditions are met, the shaft parts lacked axial fixation may move in the axial direction, and further the press-fitting structure may be influenced;

the existing press-fitting head does not have the function of detecting the installation condition of the shaft parts, so that whether the shaft parts are connected in place or not can be judged only by naked eyes roughly, and the connection condition of the shaft parts and the installation head cannot be shown visually.

Disclosure of Invention

In order to overcome the unable completion counter shaft class part axial fixity's of the pressure equipment head of prior art counter shaft class part not enough, the utility model provides a frock is used in axle class part pressure equipment.

The technical proposal of the utility model for solving the technical problem is that: a tool for press mounting of shaft parts comprises a press mounting rod and a press mounting head connected to the bottom of the press mounting rod, wherein a fixing groove for fixing the shaft parts is further formed in the press mounting head, and a first fixing assembly and a second fixing assembly are arranged in the fixing groove; the first fixing component and the second fixing component act on the shaft parts and respectively complete circumferential and axial fixing of the shaft parts;

the first fixing component is arranged on the side wall of the fixing groove and can abut against the periphery of the shaft part;

the second fixing component comprises an air suction channel, wherein one end opening of the air suction channel is communicated with the fixing groove, and the other end opening of the air suction channel is communicated with an external vacuum generator.

The detection device is communicated with the fixing groove and can detect the fixing condition of shaft parts in the fixing groove.

Further, the detection device comprises a pressure switch, and the pressure switch is communicated with the air suction channel to realize communication with the fixing groove.

Still further, pressure switch can detect out the atmospheric pressure intensity in the vacuum passage to embody it on pressure switch's display screen with the form of reading, thereby can embody directly perceivedly that axle type part has or not fixed the fixed slot in and whether axle type part targets in place for the fixed slot installation.

Further, the pressure switch is arranged on a pipeline of the air suction channel communicated with the vacuum generator.

Furthermore, one end opening of the air suction channel is arranged at the bottom of the fixed groove, the other end opening of the air suction channel is arranged on the side wall of the press-fitting head, the opening of the air suction channel, which is positioned on the side wall of the press-fitting head, is communicated with an electromagnetic valve, and the air suction channel is connected with a vacuum generator through the electromagnetic valve.

Further, first fixed subassembly includes that a plurality of is fixed to be set up fixed pin on the fixed slot lateral wall, just the head of fixed pin is followed stretch out on the lateral wall of fixed slot to realize the butt on the week side of axle type part.

Still further, the fixed pins are all at the same height and are distributed on the side wall of the fixed groove in a circumferential array manner.

Further, a cavity has been seted up in the fixed pin, the cavity has a through-hole, the through-hole sets up the head department of fixed pin, just wear to be equipped with a butt steel ball on the through-hole, still wear to be equipped with a butt spring in the cavity, the butt spring action in the butt steel ball to make the butt steel ball have one all the time and keep away from the motion trend of cavity.

The utility model discloses a fixed mode: when the shaft parts need to be pressed, firstly, the pressing rod drives the pressing head to move horizontally to a material tray provided with the shaft parts, and then the pressing rod drives the pressing head to press downwards, so that the shaft parts are inserted into the fixing grooves of the pressing head;

in the process that the shaft part enters the fixed groove, the periphery of the shaft part is attached to the side wall of the fixed groove to slide relatively, so that the abutting steel balls extending out of the side wall of the fixed groove are extruded, the abutting steel balls retract and press the abutting spring, and the abutting spring acts on the abutting steel balls to abut against the periphery of the shaft part, so that the shaft part is fixed in the peripheral direction;

then the electromagnetic valve is opened, so that the vacuum generator is communicated with the vacuum channel, and the vacuum generator is used for vacuumizing the vacuum channel, so that the axial upper part of the shaft part positioned in the fixed groove is in a vacuum state, and then the shaft part is extruded into the fixed groove by external air pressure, so that the shaft part is fixed in the axial direction;

and finally, the press-mounting head drives the shaft part fixed on the press-mounting head to move to the position above a workpiece to be assembled, and the armor head presses down to press the shaft part on the workpiece.

The beneficial effects of the utility model reside in that:

1. the first fixing assembly and the second fixing assembly are arranged, so that the shaft parts are fixed in the circumferential direction and the axial direction respectively, the connection between the shaft parts and the press-fitting head is more stable, and the shaft parts are prevented from deflecting in the press-fitting process;

2. the axial fixing of shaft parts is completed by using a vacuumizing mode, and compared with other fixing modes, the structure is relatively simplified and the fixing process is quicker;

3. the pressure switch is also arranged, and the air pressure in the vacuum channel is detected through the pressure switch, so that whether the reaction shaft part is installed in the fixed groove or not and whether the reaction shaft part and the fixed groove are installed in place or not are reflected;

4. utilize the mode of butt steel ball and butt spring, realize the fixed of counter shaft class part circumference, be unlikely to again to the circumference of counter shaft class part to produce excessive extrusion when accomplishing fixed, can effectively prevent pressure equipment in-process axle class part circumference hand and produce the deformation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the assembly state of the press-fitting head and the shaft parts of the present invention.

Fig. 3 is a cross-sectional view of the press-fitting head and the shaft part of the present invention.

Fig. 4 is an enlarged schematic view at a in fig. 3.

Fig. 5 is a cross-sectional view of the press-fitting head and the shaft part of the present invention at another angle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any direction or order of limitation.

Example 1

With reference to fig. 1 to 5, the tool for press mounting of shaft parts includes a press mounting rod 1 and a press mounting head 2 connected to the bottom of the press mounting rod 1, the press mounting head 2 is further provided with a fixing groove 3 for fixing the shaft part 20, and a first fixing assembly and a second fixing assembly are arranged in the fixing groove 3; the first fixing component and the second fixing component act on the shaft part 20 and respectively complete circumferential and axial fixing of the shaft part 20; the first fixing component is arranged on the side wall of the fixing groove 3 and can abut against the periphery side of the shaft part 20; the second fixing component comprises an air suction channel 4, wherein one end of the air suction channel 4 is communicated with the fixing groove 3, and the other end of the air suction channel 4 is communicated with an external vacuum generator.

In this embodiment, the device further includes a detecting device 5, and the detecting device 5 is communicated with the fixing groove 3 and can detect the fixing condition of the shaft part 20 in the fixing groove 3.

In this embodiment, the detecting device 5 includes a pressure switch, and the pressure switch is communicated with the air suction passage 4 to achieve communication with the fixing groove 3.

In this embodiment, the pressure switch can detect the air pressure intensity in the vacuum channel and display the air pressure intensity on the display screen of the pressure switch in the form of reading, so as to visually represent whether the shaft-like part 20 is fixed in the fixing groove 3 or not and whether the shaft-like part 20 is installed in place relative to the fixing groove 3 or not.

In this embodiment, the pressure switch is provided on a line connecting the suction passage 4 and the vacuum generator.

In this embodiment, one end opening of the air suction channel 4 is arranged at the bottom of the fixing groove 3, the other end opening is arranged at the side wall of the press-fitting head 2, the opening of the air suction channel 4 located on the side wall of the press-fitting head 2 is communicated with an electromagnetic valve 6, and the air suction channel is connected with a vacuum generator through the electromagnetic valve 6.

In this embodiment, the suction passage 4 and the solenoid valve 6 are connected by a tee 7, and the remaining port of the tee 7 is communicated with the pressure switch.

In this embodiment, the first fixing component includes a plurality of fixing pins 8 fixedly disposed on the side walls of the fixing groove 3, and the head portions of the fixing pins 8 extend out from the side walls of the fixing groove 3 to abut on the peripheral side of the shaft part 20.

In this embodiment, the fixing pins 8 have two and are symmetrically disposed on the sidewalls of the fixing groove 3.

In this embodiment, a cavity 9 is opened in the fixed pin 8, the cavity 9 has a through-hole 10, the through-hole 10 sets up the head department of fixed pin 8, just wear to be equipped with a butt steel ball 11 on the through-hole 10, still wear to be equipped with a butt spring 12 in the cavity 9, butt spring 12 act on butt steel ball 11 to make butt steel ball 11 have one throughout and keep away from the motion trend of cavity 9.

The utility model discloses a fixed mode: when the shaft parts 20 need to be pressed, firstly, the pressing rod 1 drives the pressing head 2 to translate to a material tray provided with the shaft parts 20, and then the pressing rod 1 drives the pressing head 2 to press downwards, so that the shaft parts 20 are inserted into the fixing grooves 3 of the pressing head 2;

in the process that the shaft part 20 enters the fixing groove 3, the periphery of the shaft part 20 is attached to the side wall of the fixing groove 3 to slide relatively, so that the abutting steel balls 11 extending out of the side wall of the fixing groove 3 are extruded, the abutting steel balls retract and press the abutting spring 12, the abutting spring 12 acts on the abutting steel balls 11 to abut against the periphery of the shaft part 20, and the shaft part 20 is fixed in the peripheral direction;

then the electromagnetic valve 6 is opened to enable the vacuum generator to be communicated with the vacuum channel, and the vacuum generator is used for vacuumizing the vacuum channel, so that the axial upper part of the shaft part 20 positioned in the fixing groove 3 is in a vacuum state, and then the shaft part 20 is extruded into the fixing groove 3 by external air pressure, so that the shaft part 20 is fixed in the axial direction;

finally, the press-fitting head 2 brings the shaft part 20 fixed on the press-fitting head to the upper part of the workpiece to be assembled, and the armor head presses down to press-fit the shaft part 20 on the workpiece.

The advantages of this embodiment are: the shaft parts are fixed in the circumferential direction and the axial direction respectively, and the connection strength between the shaft parts and the press-fitting head is enhanced; and whether the shaft parts are installed in place can be observed through the pressure switch.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a frock is used in pressure equipment of axle type part, includes pressure equipment pole (1) and connects pressure equipment head (2) in pressure equipment pole (1) bottom, its characterized in that: the press-fitting head (2) is also provided with a fixing groove (3) for fixing the shaft part (20), and a first fixing assembly and a second fixing assembly are arranged in the fixing groove (3); the first fixing component and the second fixing component act on the shaft part (20) and respectively complete circumferential and axial fixing of the shaft part (20);

the first fixing component is arranged on the side wall of the fixing groove (3) and can abut against the periphery side of the shaft part (20);

the second fixing component comprises an air suction channel (4), wherein one end of the air suction channel (4) is communicated with the fixing groove (3) in an opening mode, and the other end of the air suction channel (4) is communicated with an external vacuum generator in an opening mode.

2. The tool for press fitting of the shaft parts as claimed in claim 1, wherein: the detection device (5) is communicated with the fixing groove (3) and can detect the fixing condition of the shaft part (20) in the fixing groove (3).

3. The tool for press fitting of the shaft parts as claimed in claim 2, wherein: the detection device (5) comprises a pressure switch, and the pressure switch is communicated with the air suction channel (4) to realize communication with the fixing groove (3).

4. The tool for press fitting of the shaft parts as claimed in claim 3, wherein: the pressure switch is arranged on a pipeline of the air suction channel (4) communicated with the vacuum generator.

5. The tool for press fitting of the shaft parts as claimed in claim 1, wherein: one end opening of the air suction channel (4) is arranged at the groove bottom of the fixing groove (3), the other end opening is arranged at the side wall of the press-fitting head (2), the air suction channel (4) is located on the side wall of the press-fitting head (2), and is communicated with an electromagnetic valve (6) through the opening of the electromagnetic valve (6) to be connected with a vacuum generator.

6. The tool for press fitting of the shaft parts as claimed in claim 1, wherein: the first fixing assembly comprises a plurality of fixing pins (8) fixedly arranged on the side walls of the fixing grooves (3), and the heads of the fixing pins (8) extend out of the side walls of the fixing grooves (3) to abut against the side walls of the shaft parts (20).

7. The tool for press fitting of the shaft parts as claimed in claim 6, wherein: seted up a cavity (9) in fixed pin (8), cavity (9) have a through-hole (10), through-hole (10) set up the head department of fixed pin (8), just wear to be equipped with a butt steel ball (11) on through-hole (10), still wear to be equipped with a butt spring (12) in cavity (9), butt spring (12) act on butt steel ball (11) to make butt steel ball (11) have one all the time and keep away from the motion trend of cavity (9).