CN211589154U

CN211589154U - Floating pressure head device

Info

Publication number: CN211589154U
Application number: CN202020056222.6U
Authority: CN
Inventors: 潘郁雷; 余迪超; 汪震; 吴海生
Original assignee: Upton Automation Systems Guangzhou Co ltd
Current assignee: Upton Automation Systems Guangzhou Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-09-29
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a floating pressure head device, which is used for pressing a part to be pressed into a pressing space of the pressed part; the utility model relates to a part assembly technical field, it includes pressure head body, gland, mounting panel and revision mechanism, and the hollow trench has been seted up to the axial of gland, and the upper and lower both ends of hollow trench extend to the upper and lower terminal surface of gland respectively, and mounting panel fixed connection is in the up end of gland, and the up end of pressure head body stretches into in the hollow trench, and revision mechanism is arranged in connecting pressure head body and mounting panel to make pressure head body and pressure equipment space concentric. The utility model discloses a revision mechanism makes when waiting to impress the part and touching the pressure equipment space, revises the clearance between the two, guarantees to wait to impress the part and is impressed the concentric setting of part, and the part of impressing is treated in the assembly of being convenient for.

Description

Floating pressure head device

Technical Field

The utility model relates to a part assembly technical field, concretely relates to pressure head device floats.

Background

The parts assembly such as a bearing or a shaft sleeve can be pressed by a press in the assembly process, and can also be manually installed by an assembly sleeve and a small hammer. The manual installation efficiency is low, and the labor intensity is high; the press fitting by adopting the press machine needs a special press head for press fitting. The traditional pressure head can only realize pure press fitting work, a bearing or a shaft sleeve needs to be manually positioned in a bearing hole of a shell needing press fitting in the press fitting process, automatic assembly is difficult to realize, the efficiency is low, and the press fitting precision is difficult to guarantee.

At present, although the floating indenter disclosed in the market can reduce the gap between two mounting workpieces (a part to be pressed in and a part to be pressed in) and improve the press-fitting precision, the floating indenter has the following problems: the floating amount is very small, and only the fit clearance can be achieved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a pressure head device floats, it makes when waiting to impress the part and touching the pressure equipment space through correction mechanism, revises the clearance between the two, guarantees to treat to impress the part and is impressed the part and set up with one heart, and the part of impressing is treated in the assembly of being convenient for.

The purpose of the utility model is realized by adopting the following technical scheme:

a floating pressure head device is used for pressing a part to be pressed into a pressing space of the pressed part; it includes pressure head body, gland, mounting panel and revision mechanism, the hollow trench has been seted up to the axial of gland, the upper and lower both ends of hollow trench extend to the upper and lower terminal surface of gland respectively, mounting panel fixed connection is in the up end of gland, the up end of pressure head body stretches into in the hollow trench, revision mechanism is used for connecting pressure head body and mounting panel to make the pressure head body with the pressure equipment space is concentric.

Furthermore, the hollow slot position comprises a circular truncated cone slot position, and the radius of the upper end surface of the circular truncated cone slot position is larger than that of the lower end surface of the circular truncated cone slot position; the upper end of the pressure head body is provided with a circular truncated cone structure matched with the circular truncated cone groove position, the radius of the upper end face of the circular truncated cone structure is smaller than that of the upper end face of the circular truncated cone groove position and larger than that of the lower end face of the circular truncated cone groove position, and the radius of the lower end face of the circular truncated cone structure is smaller than that of the lower end face of the circular truncated cone groove position.

Further, the correcting mechanism comprises a ball head, a spacer bush and a spring, the spacer bush is fixedly installed on the upper end face of the pressure head body, the spacer bush is of a hollow structure, the spacer bush and the pressure head body are arranged concentrically, the ball head is fixedly installed on the lower end face of the installing plate, the lower end portion of the ball head extends into the hollow structure, and the spring is arranged in the hollow structure.

Further, a cylindrical groove is formed in the middle of the upper end face of the pressure head body in the axial direction, the lower end of the spacer bush is fixedly connected to the bottom of the cylindrical groove, and the upper end of the spacer bush extends to the outer side of the cylindrical groove.

Further, the bulb includes connecting piece and cylindricality arch, connecting piece fixed mounting is in the lower terminal surface of mounting panel, cylindricality arch fixed mounting is on the lower terminal surface of connecting piece, the cylindricality arch stretches into in the hollow structure, the upper end cover of spring is in on the cylindricality arch.

Furthermore, the upper end of the spring is fixedly connected to the cylindrical protrusion or the lower end face of the connecting piece, and the lower end face of the spring is fixedly connected to the bottom of the hollow structure.

Furthermore, an accommodating groove is axially formed in the upper end face of the pressure head body, the accommodating groove is located on the outer side of the spacer sleeve and is distributed in an annular mode, a plurality of spheres are placed in the accommodating groove, and the diameter of each sphere is larger than the depth of the accommodating groove.

Furthermore, the accommodating groove is communicated with a cylindrical groove, the cylindrical groove is formed in the bottom surface of the accommodating groove, the accommodating groove and the cylindrical groove are separated by the spacer bush, and the height of the spacer bush extending out of the cylindrical groove part is smaller than the diameter of the sphere.

Further, the lower tip downwardly extending of pressure head body has the cylindricality piece, the cylindricality piece is used for the cover to connect the part of waiting to impress, cylindricality piece, pressure head body and the part of waiting to impress set up with one heart.

The utility model provides a pressure head device floats compares prior art, the beneficial effects of the utility model reside in that:

1. the utility model corrects the clearance between the part to be pressed and the pressed part when the part to be pressed touches the press-fitting space through the correction mechanism, thereby ensuring that the part to be pressed and the pressed part are concentrically arranged and being convenient for assembly;

2. through the cooperation mode of spring and round platform for after the pressure equipment was accomplished, the pressure head body automatic re-setting is to initial axle center position, the assembly of the follow-up product of being convenient for.

Drawings

Fig. 1 is a block diagram of a floating ram assembly according to an embodiment of the present invention;

fig. 2 is a structural diagram of a ram body according to an embodiment of the present invention;

FIG. 3 is a structural diagram of the gland of the embodiment of the present invention;

fig. 4 shows a first state of the fit between the part to be pressed and the part to be pressed according to the embodiment of the present invention;

fig. 5 is a second state of the fitting between the part to be pressed in and the part to be pressed in according to the embodiment of the present invention.

In the figure: 10. a ram body; 11. a cylindrical block; 12. a circular truncated cone structure; 13. a containing groove; 20. a gland; 21. a hollow slot position; 22. a circular truncated cone slot position; 30. mounting a plate; 40. a spacer sleeve; 41. a hollow structure; 50. a ball head; 60. a spring; 70. a sphere; 80. pressing the part into the die; 90. pressed into the part; 91. and (5) pressing and assembling the space.

Detailed description of the preferred embodiments

The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available.

Example (b):

referring to fig. 1 to 5, a floating ram device includes a ram body 10, a gland 20, a mounting plate 30 and a correcting mechanism, wherein a hollow slot 21 is axially formed in the gland 20, upper and lower ends of the hollow slot 21 respectively extend to upper and lower end surfaces of the gland 20, the mounting plate 30 is fixedly connected to an upper end surface of the gland 20, the upper end surface of the ram body 10 extends into the hollow slot 21, the correcting mechanism is used for connecting the ram body 10 and the mounting plate 30, the ram body 10 is concentric with a press-fitting space 91 of a pressed part 90, and the press-fitting space 91 of the pressed part 90 is used for press-fitting a part 80 to be pressed. The lower tip downwardly extending of pressure head body 10 has cylindricality piece 11, and cylindricality piece 11 is used for cup jointing the part 80 of waiting to impress, and cylindricality piece 11, pressure head body 10 and the part 80 of waiting to impress set up with the heart.

Mounting panel 30 is used for with press fitting actuating mechanism for example fixed connection such as pressure equipment machine for drive the utility model discloses pressure head device's motion floats to make and cup joint in the pressure equipment space 91 that the part 80 pressure equipment of waiting to impress on pressure head body 10 was gone into by the part 90 of impressing, of course, also can artifical direct press mounting panel 30 realize the pressure equipment. The part 80 to be pressed and the pressure head body 10 are arranged concentrically, when the part 80 to be pressed and the press-fitting space 91 are not concentric, the correcting mechanism adjusts the position of the pressure head body 10, so that the pressure head body 10 and the press-fitting space 91 of the part 90 to be pressed are concentric, and the part 80 to be pressed is guaranteed to be assembled into the press-fitting space 91. Here, press fitting also includes the assembly of a sealing mechanism, for example, a sealing ring (corresponding to a part to be pressed) is fitted in a region to be sealed (corresponding to a press fitting space).

Specifically, the correcting mechanism comprises a ball head 50, a spacer 40 and a spring 60, wherein the spacer 40 is fixedly installed on the upper end face of the pressure head body 10, the spacer 40 is a hollow structure 41, the spacer 40 and the pressure head body 10 are concentrically arranged, the ball head 50 is fixedly installed on the lower end face of the mounting plate 30, the lower end part of the ball head 50 extends into the hollow structure 41, and the spring 60 is arranged in the hollow structure 41. The hollow slot 21 comprises a circular truncated cone slot 22, and the radius of the upper end face of the circular truncated cone slot 22 is larger than that of the lower end face of the circular truncated cone slot 22; the upper end of the pressure head body 10 is provided with a circular truncated cone structure 12 matched with the circular truncated cone groove position 22, the radius of the upper end face of the circular truncated cone structure 12 is smaller than that of the upper end face of the circular truncated cone groove position 22 and larger than that of the lower end face of the circular truncated cone groove position 22, the radius of the lower end face of the circular truncated cone structure 12 is smaller than that of the lower end face of the circular truncated cone groove position 22, and the specific size relation is set according to a threshold value with deviation. The axial on the upper end face of the pressure head body 10 is provided with a containing groove 13, the containing groove 13 is located outside the spacer 40 and is distributed annularly, a plurality of spheres 70 are placed in the containing groove 13, and the diameter of each sphere 70 is greater than the depth of the containing groove 13.

The pressure head body 10 is installed by the upper end face of the gland 20, the installation plate 30 is fixed to the upper end face of the gland 20 after the pressure head body 10 is installed, the circular truncated cone structure 12 of the pressure head body 10 is matched with the circular truncated cone groove 22 of the gland 20, so that the pressure head body 10 cannot slide out of the gland 20, the circular truncated cone structure 12 and the circular truncated cone groove 22 are concentric with the pressure head body 10 in an initial state, similarly, the cylindrical protrusion of the ball head 50 is concentric with the spacer sleeve 40, except that the pressure head body 10 and the press-fitting space 91 are concentric in the press-fitting process, and the rest conditions are concentric matching kept by the pressure head body 10 in the initial state. The ball 70 may be made of a material having a small elastic coefficient, such as a steel ball.

Referring to fig. 4 and 5, when the position of the part 80 to be pressed and the part 90 to be pressed deviates, that is, the parts are not concentric, when the part 80 to be pressed is moved to the upper end of the press-fitting space 91 by the press-fitting machine, the ram body 10 is forced by the axial force of the mounting plate 30 and the radial force of the part 90 to be pressed, the ram body 10 is firstly separated from the circular table (the matching position of the circular table slot 22 and the circular table structure 12) and compresses the spring 60, and the ball 70 slides on the mounting plate 30 to adjust the ram body 10 to the position concentric with the press-fitting space 91.

After the pressure equipment that the deviation appears in position between foretell part 80 of waiting to impress and the part 90 of being impressed is accomplished, the pressure equipment machine drives the utility model discloses pressure head device upward movement floats, and pressure head body 10 receives axial force and radial force and removes, and under the combined action of spring 60 and table surface, pressure head body 10 resets to positive central point and puts, and pressure head body 10 replies initial condition promptly, is convenient for the next installation of waiting to impress the part.

As a preferred embodiment, a cylindrical groove is axially formed in the middle of the upper end surface of the indenter body 10, the lower end of the spacer 40 is fixedly connected to the bottom of the cylindrical groove, and the upper end of the spacer 40 extends to the outside of the cylindrical groove. The ball 50 includes a connecting member and a cylindrical protrusion, the connecting member is fixedly mounted on the lower end surface of the mounting plate 30, the cylindrical protrusion is fixedly mounted on the lower end surface of the connecting member, the cylindrical protrusion extends into the hollow structure 41, and the upper end of the spring 60 is sleeved on the cylindrical protrusion. In order to ensure the stability of the spring 60, the upper end of the spring 60 may be fixedly connected to the stud bump or the lower end surface of the connecting member, and the lower end surface of the spring 60 is fixedly connected to the bottom of the hollow structure 41.

As a preferred embodiment, the receiving groove 13 is in communication with a cylindrical recess, which is opened on the bottom surface of the receiving groove 13, the receiving groove 13 and the cylindrical recess being separated by a spacer 40, and in order to ensure the sliding of the ball 70 on the mounting plate 30, it is obvious that the height of the portion of the spacer 40 protruding out of the cylindrical recess is smaller than the diameter of the ball 70.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A floating pressure head device is used for pressing a part to be pressed into a pressing space of the pressed part; the pressure head is characterized by comprising a pressure head body, a gland, a mounting plate and a correcting mechanism, wherein a hollow groove is formed in the axial direction of the gland, the upper end and the lower end of the hollow groove extend to the upper end face and the lower end face of the gland respectively, the mounting plate is fixedly connected to the upper end face of the gland, the upper end face of the pressure head body extends into the hollow groove, and the correcting mechanism is used for connecting the pressure head body and the mounting plate and enabling the pressure head body to be concentric with the press mounting space.

2. The floating ram device of claim 1, wherein the hollow slot comprises a frustoconical slot, wherein the radius of the upper end surface of the frustoconical slot is greater than the radius of the lower end surface of the frustoconical slot; the upper end of the pressure head body is provided with a circular truncated cone structure matched with the circular truncated cone groove position, the radius of the upper end face of the circular truncated cone structure is smaller than that of the upper end face of the circular truncated cone groove position and larger than that of the lower end face of the circular truncated cone groove position, and the radius of the lower end face of the circular truncated cone structure is smaller than that of the lower end face of the circular truncated cone groove position.

3. The floating ram apparatus of claim 2, wherein the correcting mechanism comprises a ball head, a spacer sleeve and a spring, the spacer sleeve is fixedly mounted on the upper end surface of the ram body, the spacer sleeve is of a hollow structure, the spacer sleeve is concentrically arranged with the ram body, the ball head is fixedly mounted on the lower end surface of the mounting plate, the lower end part of the ball head extends into the hollow structure, and the spring is arranged in the hollow structure.

4. The floating head device according to claim 3, wherein a cylindrical groove is axially formed in the middle of the upper end surface of the head body, the lower end of the spacer sleeve is fixedly connected to the bottom of the cylindrical groove, and the upper end of the spacer sleeve extends to the outer side of the cylindrical groove.

5. The floating ram apparatus of claim 4 wherein the ball head comprises a connector fixedly mounted to the lower end surface of the mounting plate and a stud boss fixedly mounted to the lower end surface of the connector, the stud boss extending into the hollow structure, the upper end of the spring fitting over the stud boss.

6. A floating ram assembly as claimed in claim 5 wherein the upper end of the spring is fixedly attached to the stud boss or to the lower end face of the connector, and the lower end face of the spring is fixedly attached to the base of the hollow structure.

7. The floating head assembly of claim 4 wherein the upper end surface of the head body is axially provided with a plurality of receiving slots disposed in an annular arrangement outside the spacer, the receiving slots having a plurality of balls disposed therein for rolling movement therein, the balls having a diameter greater than the depth of the receiving slots.

8. A floating head assembly as claimed in claim 7, wherein said receiving channel communicates with a cylindrical recess formed in the bottom surface of the receiving channel, said receiving channel and cylindrical recess being separated by said spacer, said spacer extending beyond the cylindrical recess portion by a height less than the diameter of said ball.

9. The floating indenter device of claim 1, wherein the indenter body has a lower end portion with a downwardly extending cylindrical block for receiving a part to be pressed in, the cylindrical block, the indenter body, and the part to be pressed in being concentrically disposed.