CN212330910U

CN212330910U - Pressure head quick change device

Info

Publication number: CN212330910U
Application number: CN202020400310.3U
Authority: CN
Inventors: 周强; 张小龙; 郭龙; 刘海波
Original assignee: Xian Fast Auto Drive Co Ltd
Current assignee: Xian Fast Auto Drive Co Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-01-12
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a pressure head quick-change device, which is used for replacing a pressure head and comprises a positioning seat, wherein the positioning seat comprises a third positioning column and a fourth positioning piece which are coaxially connected and arranged, the third positioning column is sleeved with an elastic piece, the fourth positioning piece is provided with a movable clamping pin along the radial direction, the fourth positioning piece is sleeved with a rotating sleeve, the pressure head is inserted in the fourth positioning piece, and the fourth positioning piece, the rotating sleeve and the pressure head are coaxially arranged; the elastic component provides the revolving force of rotating the cover, the rotating cover and the clamping pin jointly realize the fixation and the disassembly of the pressure head. The utility model provides a pressure head quick change device utilizes the rotation of commentaries on classics cover on the positioning seat, extrudees oval round pin, makes it compress tightly, loose and puts and change the frock, and it changes efficiently, easy operation, longe-lived, reduction intensity of labour that can be by a wide margin improves work efficiency, has good security performance.

Description

Pressure head quick change device

Technical Field

The utility model relates to a press equipment technical field relates to a pressure head quick change device.

Background

At present, press-fitting equipment is used in many places in the mechanical industry, the equipment is generally used for press-fitting parts such as bearings, bushings and oil seals, the application is very wide, the variety of tools used by the press-fitting equipment is large, and along with the diversification of products, the times for replacing the tools are greatly increased. The existing tool quick change is realized by connecting a pressure head by a bolt or tightly jacking the pressure head by a dividing pin, and the dividing pin has limited pressing force, so that the pressing head which is heavier and is in the vertical direction is pressed, the tool is easy to slide, low in reliability, easy to damage and even injure an operator by smashing, and certain installation hidden trouble exists; the bolt connection is safe, but the replacement is troublesome, and especially when diversified production and frequent replacement of the tool are needed, the efficiency is low and the labor intensity is high.

The press fitting equipment precision of parts such as traditional bearing, bush and oil blanket is low, and spacing mode is unreliable, reserves has very big sliding gap, and relative slip number of times is many and the friction is big during the work, and long-term running-in makes equipment and frock clearance grow, influences the assembly precision greatly, and it is askew to press the bias voltage even, and traditional bolted connection one-way top tightly leads to the frock eccentric, and the axis is skew, causes the precision to descend, crushes by pressure bearing, bush and oil blanket, makes the quality descend to freezing point.

Disclosure of Invention

An object of the utility model is to provide a pressure head quick change device for current frock quick change among the solution prior art leans on the bolted connection pressure head or adopts the problem that faces when the tight pressure head in index pin top.

In order to realize the task, the utility model discloses a following technical scheme:

a quick-change device for a pressure head is used for replacing the pressure head and comprises a positioning seat, wherein the positioning seat comprises a third positioning column and a fourth positioning piece which are coaxially connected, an elastic piece is sleeved outside the third positioning column, a movable clamping pin is radially arranged on the fourth positioning piece, a rotating sleeve is sleeved outside the fourth positioning piece, the pressure head is inserted into the fourth positioning piece, and the fourth positioning piece, the rotating sleeve and the pressure head are coaxially arranged;

the elastic component provides the revolving force of rotating the cover, the rotating cover and the clamping pin jointly realize the fixation and the disassembly of the pressure head.

Furthermore, the rotating sleeve is internally provided with a limiting pin along the radial direction, a first groove and a sliding groove are formed in the rotating sleeve, the limiting pin rotates around the fourth positioning piece in the axial direction to limit the rotating sleeve, the clamping pin slides in the first groove, and the sliding groove is used for fixing the clamping pin.

Furthermore, a second pin hole and a second groove are formed in the outer portion of the fourth positioning piece, the clamping pin is radially inserted into the second pin hole, and the limiting pin is arranged in the second groove in a sliding mode.

Preferably, the number of the first grooves and the number of the sliding grooves are 4, the number of the second pin holes and the number of the second grooves are 4, and the number of the position clamping pins is 4.

Specifically, the positioning seat is axially arranged at the upper end of the third positioning column, a first positioning body and a second positioning table are sequentially arranged at the upper end of the third positioning column, the first positioning body is fixedly connected with the press, and the second positioning table is provided with a bolt hole fixed with the press and a second connecting hole fixedly connected with one end of the elastic piece.

Furthermore, still set up the exhaust hole on the lateral wall of third reference column and the bottom, prevent to produce the vacuum, the quantity of exhaust hole be 2 at least.

Furthermore, the rotating sleeve is also provided with a first connecting hole connected with the other end of the elastic piece.

Furthermore, a fifth positioning part is arranged at the lower end of the fourth positioning part, an axial groove is formed between the fourth positioning part and the fifth positioning part, and the axial groove is used for placing a clamp spring for preventing the part of the pressure head quick-change device from moving axially.

Specifically, the elastic member includes a torsion spring.

Specifically, the shape of the position clamping pin is an oval.

Compared with the prior art, the utility model following technological effect has:

the utility model provides a pressure head quick change device utilizes the rotation of commentaries on classics cover on the positioning seat, extrudees oval round pin, makes it compress tightly, loose and puts and change the frock, and it changes efficiently, easy operation, longe-lived, reduction intensity of labour that can be by a wide margin improves work efficiency, has good security performance. The precision of the whole device is greatly improved, and the working efficiency is improved and the labor intensity is greatly reduced when the tool needs to be frequently switched in the mass production.

Drawings

Fig. 1 is a sectional view of the quick-change device for a pressure head of the present invention;

fig. 2 is a front view of the quick-change device for pressing head of the present invention;

fig. 3 is a sectional view along the G-G plane of the quick-change device for a pressing head of the present invention;

fig. 4 is a schematic view of a rotating sleeve structure of the quick-change device for the pressure head of the present invention;

fig. 5 is a schematic view of the positioning seat structure of the quick-change device for pressure head of the present invention;

FIG. 6 is a schematic structural view of an elastic member according to an embodiment;

the reference numbers in the figures represent:

1. a pressure head; 2. a position clamping pin; 3. rotating the sleeve; 31. a spacing pin; 32. a first groove; 33. a chute; 34. a first connection hole; 4. an elastic member; 5. a bolt; 6. positioning seats; 61. a first positioning body; 62. a second positioning table; 62-1, bolt holes; 62-2, a second connecting hole; 63. a third positioning column; 63-1, exhaust holes; 64. a fourth positioning member; 64-1, a second pin hole; 64-2, a second groove; 65. a fifth positioning member; 7. and a clamp spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, when describing the present invention in terms of orientation, the terms "upper end", "lower end", "top", "bottom", and the like, are used for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and "inner" and "outer" refer to the outer portion of the inner core of the corresponding component profile, and the terms should not be construed as limiting the present invention. If the particular gesture changes, the directional indication changes accordingly. In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically limited otherwise. In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1

In order to solve the problems existing in the original tooling scheme, the utility model discloses a quick-change device for a pressure head 1, which is used for quickly and efficiently changing the pressure head 1, and as shown in fig. 1, comprises a positioning seat 6, wherein the positioning seat 6 comprises a third positioning column 63 and a fourth positioning element 64 which are coaxially connected, an elastic element 4 is sleeved outside the third positioning column 63, a movable clamping pin 2 is radially arranged on the fourth positioning element 64, a rotating sleeve 3 is sleeved outside the fourth positioning element 64, the pressure head 1 is inserted in the fourth positioning element 64, and the fourth positioning element 64, the rotating sleeve 3 and the pressure head 1 are coaxially arranged; the elastic piece 4 provides the revolving force of the rotating sleeve 3, and the rotating sleeve 3 and the clamping pin 2 jointly realize the fixing and the dismounting of the pressure head 1.

In this embodiment, referring to fig. 4, a limiting pin 31 is disposed in the rotating sleeve 3 along the radial direction, a first groove 32 and a sliding groove 33 are disposed in the rotating sleeve 3, when the limiting pin 31 axially rotates around the fourth positioning element 64, the rotating sleeve 3 is limited, the detent pin 2 slides in the first groove 32, and the sliding groove 33 fixes the detent pin 2.

Referring to fig. 5, the fourth positioning member 64 is provided with a second pin hole 64-1 and a second groove 64-2 on the outside, the locking pin 2 is radially inserted into the second pin hole 64-1, and the stopper pin 31 slides in the second groove 64-2.

Preferably, the number of the first grooves 32 and the number of the sliding grooves 33 are 4, the number of the second pin holes 64-1 and the number of the second grooves 64-2 are 4, and the number of the locking pins 2 is 4. The 4 clamping pins 2 are used for positioning, and the 4 clamping pins 2 are symmetrically locked, so that the precision of the whole device is greatly improved.

The positioning seat 6 is further sequentially provided with a first positioning body 61 and a second positioning table 62 at the upper end of the third positioning column 63 along the axial direction, the first positioning body 61 is fixedly connected with the press, and the second positioning table 62 is provided with a bolt 5 hole fixed with the press and a second connecting hole 62-2 fixedly connected with one end of the elastic piece 4. Air vents 63-1 are further formed in the side wall and the bottom of the third positioning column 63 to prevent vacuum from being generated.

Furthermore, the rotating sleeve 3 is further provided with a first connecting hole 34 connected with the other end of the elastic element 4, and at this time, the elastic element 4 is fixed outside the third positioning column 63.

Furthermore, a fifth positioning member 65 is arranged at the lower end of the fourth positioning member 64, and a shaft groove is formed between the fourth positioning member 64 and the fifth positioning member 65 and used for placing a snap spring 7 for preventing axial movement of a part of the quick-change device of the pressure head 1. The clamp spring 7 plays a fastening role.

As a preferable example of this embodiment, the elastic member 4 is a torsion spring, as shown in fig. 6. The capture pin 2 is oval in shape.

To sum up, combine as in fig. 5, the utility model discloses a pressure head 1 quick change device's use operation process as follows:

1) the installation process comprises the following steps: according to clockwise rotation commentaries on classics cover 3, screens round pin 2 slides in first recess 32, move in spout 33, carry out the locking of pressure head 1, even do not move into spout 33 automatically, when installation pressure head 1, slight extrusion alright with remove spout 33, because be the closed chamber, for avoiding producing the vacuum difficult dress and unload, exhaust hole 63-1 can avoid this type of phenomenon to take place, after the installation targets in place, loosen and change cover 3, under the effort of torsional spring, produce anticlockwise power, push four screens round pin 2 back to in second pinhole 64-1, the inside compresses tightly pressure head 1, accomplishes the installation.

2) The disassembling process comprises the following steps: according to clockwise rotation commentaries on classics cover 3, screens round pin 2 reverse slip in first recess 32, moves to the spout 33 in, at this moment, takes out pressure head 1, loosens commentaries on classics cover 3, under the effort of torsional spring, the reconversion.

The utility model discloses, utilize the rotation of commentaries on classics cover 3 on positioning seat 6, extrude screens round pin 2, make it compress tightly, loose and put and change the frock, its change is efficient. In mass production and when the tool needs to be frequently switched, the working efficiency is improved, the labor intensity is greatly reduced, the problems of labor waste and low efficiency of thread clamping are solved, the fact that the index pin is not firmly locked is also solved, and the whole process is reliable and efficient.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention; various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-change device for a pressure head is used for replacing the pressure head and comprises a positioning seat (6) and is characterized in that the positioning seat (6) comprises a third positioning column (63) and a fourth positioning piece (64) which are coaxially connected, an elastic piece (4) is sleeved outside the third positioning column (63), a movable clamping pin (2) is radially arranged on the fourth positioning piece (64), a rotating sleeve (3) is sleeved outside the fourth positioning piece (64), the pressure head (1) is inserted into the fourth positioning piece (64), and the fourth positioning piece (64), the rotating sleeve (3) and the pressure head (1) are coaxially arranged;

elastic component (4) provide the revolving force of commentaries on classics cover (3), commentaries on classics cover (3) and screens round pin (2) realize the fixed of pressure head (1) and dismantle jointly.

2. The quick-change device for the indenter according to claim 1, characterized in that a limit pin (31) is arranged in the rotary sleeve (3) along the radial direction, a first groove (32) and a sliding groove (33) are arranged in the rotary sleeve (3), the limit pin (31) can limit the rotary sleeve (3) when the rotary sleeve (3) rotates axially around the fourth positioning element (64), the position-locking pin (2) slides in the first groove (32), and the sliding groove (33) can fix the position-locking pin (2).

3. The quick-change device for the indenter as claimed in claim 2, wherein a second pin hole (64-1) and a second groove (64-2) are formed in the outer portion of the fourth positioning member (64), the retaining pin (2) is radially inserted into the second pin hole (64-1), and the limiting pin (31) slides in the second groove (64-2).

4. The quick-change device for the indenter according to claim 3, characterized in that the number of the first grooves (32) and the sliding grooves (33) is 4, the number of the second pin holes (64-1) and the second grooves (64-2) is 4, and the number of the position-locking pins (2) is 4.

5. The quick-change device for the indenter according to claim 2, characterized in that the positioning seat (6) is further provided with a first positioning body (61) and a second positioning table (62) sequentially at the upper end of the third positioning column (63) along the axial direction, the first positioning body (61) is fixedly connected with the press, and the second positioning table (62) is provided with a bolt hole (62-1) fixed with the press and a second connecting hole (62-2) fixedly connected with one end of the elastic member (4).

6. The quick-change device for the pressure head as claimed in claim 2, characterized in that the side wall and the bottom of the third positioning column (63) are further provided with vent holes (63-1) for preventing vacuum generation, and the number of the vent holes (63-1) is at least 2.

7. A quick-change device for indenters, according to claim 2, characterized in that said rotating sleeve (3) is further provided with a first connecting hole (34) connected to the other end of said elastic element (4).

8. The quick-change device of the pressure head as claimed in claim 2, characterized in that a fifth positioning member (65) is arranged at the lower end of the fourth positioning member (64), and a shaft groove is arranged between the fourth positioning member (64) and the fifth positioning member (65), and is used for placing a snap spring (7) for preventing the axial movement of the parts of the quick-change device of the pressure head.

9. A quick-change device according to claim 1, characterized in that said elastic element (4) comprises a torsion spring.

10. The quick-change device of the indenter as claimed in claim 2, characterized in that said blocking pin (2) has an oval shape.