CN219234452U - Frock of pressure equipment water pump locating sleeve - Google Patents

Abstract

The utility model relates to the technical field of positioning sleeve press fitting, in particular to a fixture for press fitting a water pump positioning sleeve, which comprises a press head, wherein a press head conversion device is fixedly arranged on the lower surface of the press head, a first press column and a second press column are arranged on the lower surface of the press head conversion device, a fixture device is arranged below the press head conversion device, the fixture device comprises a lower fixture body, a plurality of sliding guide columns, a fixing ring and an upper fixture body, and a positioning sleeve mounting block and a limiting column are fixedly arranged on the upper surface of the lower fixture body. The utility model has simple structure, can ensure that the pump seat is uniformly pressed, is not influenced by the height difference of the press-fitting surface of the pump seat, reduces the processing precision of the press-fitting surface of the pump seat, saves the manufacturing cost and can also improve the stability of the assembly dimension.

Description

Frock of pressure equipment water pump locating sleeve

Technical Field

The utility model relates to the technical field of positioning sleeve press fitting, in particular to a tool for press fitting a water pump positioning sleeve.

Background

The assembly of the water pump positioning sleeve generally adopts the principle that the back support and the positioning sleeve are placed in an upper pressure head to be pressed from the upper side; in order to ensure that the height of the end face of the positioning sleeve relative to the reference face is 5.5 plus or minus 0.5mm and the perpendicularity is less than or equal to phi 0.15mm, the parallelism of the reference face and the end face of the pressure head in the press mounting process is required to be controlled to be less than or equal to 0.02mm, and the height difference of the two supporting faces of the pump seat is controlled to be plus or minus 0.2mm at present due to the influence of processing precision and processing cost.

The application number is "CN2019219125204" chinese patent discloses "an automobile engine cooling water pump location cover pressure equipment device, including bottom plate, deflector, supporting seat, location dabber and depression bar subassembly, the deflector with the bottom plate rotates to be connected, set up on the deflector the location dabber support seat and two the guiding seat corresponds with two locating hole positions on the pump body, the position cover is set for to the depression bar subassembly on the cover, the depression bar subassembly passes the locating hole gets into in the guiding seat" this technical scheme has guaranteed the pressure equipment precision of position cover to a certain extent, has improved pressure equipment efficiency, still has following defect: the guide holder of this technical scheme sets firmly on the rotor plate, because the difference in height of pressure equipment face is unstable, consequently high to the pressure equipment face machining precision requirement of pump seat, improved manufacturing cost, secondly, the pump seat is placed on the guide holder, consequently needs frequent adjustment guide holder height, reduces work efficiency, reduces the stability of assembly size.

Disclosure of Invention

The utility model aims to provide a fixture for pressing a water pump positioning sleeve, which can ensure that a pump seat is uniformly pressed, is not influenced by the height difference of a pressing surface of the pump seat, reduces the processing precision of the pressing surface of the pump seat, saves the manufacturing cost, can improve the stability of the assembly size and solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a frock of pressure equipment water pump spacer sleeve, includes the pressure head, pressure head conversion equipment has been set firmly to pressure head lower surface, pressure head conversion equipment lower surface is provided with first pressure post and second pressure post, pressure head conversion equipment below is provided with fixture device to be used for the pump seat benchmark to place down in fixture device's upper surface, fixture device includes the lower anchor clamps body, sets firmly a plurality of slip type guide pillars, sets firmly the solid fixed ring in a plurality of slip type guide pillars upper ends respectively, with the slide fixed connection's of slip type guide pillar last anchor clamps body, go up the anchor clamps body on correspond first pressure post department and seted up the through-hole that corresponds on the pump seat, lower anchor clamps body upper surface corresponds through-hole department and sets firmly the spacer sleeve installation piece, lower anchor clamps body upper surface still is provided with the spacing post for the travel distance that the restriction pump seat was pushed down, the height of spacing post is less than the height of spacer sleeve installation piece.

Further, the pressure head conversion device comprises a conversion plate fixedly connected with the pressure head, two connecting lugs symmetrically arranged along the transverse axis of the conversion plate, connecting pins respectively connected with the two connecting lugs, an adjusting plate rotationally connected with the connecting pins and a compression spring arranged between the conversion plate and the adjusting plate, and the first pressure column and the second pressure column are vertically and fixedly arranged on the lower surface of the adjusting plate.

Further, a spiral spring corresponding to the sliding guide post is arranged below the upper clamp body, and the spiral spring is sleeved on the sliding guide post and is used for resetting the upper clamp body through elastic deformation force of the spiral spring.

Further, the locating sleeve mounting block consists of a block base and a locating column, and a locating sleeve mounting sleeve is arranged on the upper portion of the locating column and used for placing the locating sleeve to be pressed and mounted to the corresponding position of the pump seat.

Further, the lower end surfaces of the first pressing column and the second pressing column are respectively provided with a pressing foot so as to be used for avoiding damaging the surface of the pump seat in the press fitting process.

Further, a mandrel is fixedly arranged at the center of the lower end face of the lower clamp body and used for fixing the clamp device on the electronic press equipment.

The beneficial effects of the utility model are as follows: according to the utility model, the pressure head is fixedly connected with the pressure head conversion device, the first pressure column and the second pressure column are arranged on the lower surface of the pressure head conversion device, and even if the height difference of two pressed surfaces is unstable, the floating pressure head can be automatically adjusted in the pressing process, so that all four pressure feet are tightly attached to the pressed surfaces, the pressure head conversion device is not influenced by the height difference of the pressed surfaces of the pump seat, the processing precision of the pressed surfaces of the pump seat is reduced, and the manufacturing cost is saved; the upper surface of the lower fixture body is fixedly provided with the locating sleeve mounting block and the limiting column, the height of the locating sleeve relative to the reference surface after assembly can be ensured only by ensuring the height difference of the upper surface of the tool limiting column relative to the upper surface of the locating sleeve mounting block, and the stability of the assembly size is improved.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a fixture for press-fitting a water pump positioning sleeve provided by the utility model;

FIG. 2 is a front view of a fixture for pressing a water pump positioning sleeve provided by the utility model;

FIG. 3 is a cross-sectional view of FIG. 2 A-A;

fig. 4 is a schematic diagram of a press-fitting structure of a tooling for press-fitting a water pump positioning sleeve provided by the utility model.

The reference numerals in the drawings indicate: 100. a pressure head; 110. a conversion plate; 120. a connecting lug; 130. a connecting pin; 140. an adjustment plate; 150. a compression spring; 200. a first press column; 300. a second press column; 400. a lower clamp body; 410. a positioning sleeve mounting block; 411. a block base; 412. positioning columns; 420. a limit column; 500. sliding guide posts; 510. a coil spring; 600. a fixing ring; 700. an upper clamp body; 710. a through hole; 800. a presser foot; 900. and (5) a mandrel.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples are as follows:

the fixture for pressing the positioning sleeve of the water pump as shown in fig. 1 to 3 comprises a pressing head 100, wherein the lower surface of the pressing head 100 is connected with a pressing head conversion device through threads, the lower surface of the pressing head conversion device is respectively connected with two first pressing columns 200 and two second pressing columns 300 through threads, a fixture device is arranged below the pressing head conversion device and used for limiting the stroke distance of the pump seat downwards when the pump seat is arranged on the upper surface of the fixture device, the fixture device comprises a lower fixture body 400, two sliding guide columns 500 fixedly arranged on the upper surface of the lower fixture body 400 through bolts, fixing rings 600 respectively fixedly arranged at the upper ends of the two sliding guide columns 500, an upper fixture body 700 fixedly connected with a sliding seat of the sliding guide column 500, through holes 710 corresponding to the positioning holes on the pump seat are formed in the upper fixture body 700, a positioning sleeve mounting block 410 is fixedly arranged on the upper surface of the lower fixture body 400 corresponding to the through holes 710, a limiting column 420 is further arranged on the upper surface of the lower fixture body 400 and used for limiting the stroke distance of the pump seat downwards, the height of the limiting column 420 is lower than the height of the positioning sleeve mounting block 410, a fixing ring 600 is fixedly arranged on the upper end of the lower fixture body 400 through bolts, a spiral guide column 500 is fixedly arranged on the upper fixture body 700 corresponding to the upper end of the sliding guide column 500, and is in a spiral guide column 500, and is in a sliding mode, corresponding to the upper fixture body 700 is arranged on the spiral guide body 500.

Further, the lower end surfaces of the first pressing post 200 and the second pressing post 300 are provided with pressing feet 800, so as to avoid damage to the surface of the pump seat in the press fitting process.

In addition, the ram switching device includes a switching plate 110 screw-coupled with the ram 100, two coupling lugs 120 symmetrically disposed along a lateral axis of the switching plate 110, coupling pins 130 screw-coupled with the two coupling lugs 120, an adjusting plate 140 rotatably coupled with the coupling pins 130, and a compression spring 150 disposed between the switching plate 110 and the adjusting plate 140, and the first and second press columns 200 and 300 are vertically screw-coupled on a lower surface of the adjusting plate 140, wherein the two coupling lugs 120 are symmetrically fixed at both sides of the switching plate 110 by bolts.

The positioning sleeve mounting block 410 is composed of a block base 411 and a positioning column 412, and a positioning sleeve mounting sleeve 413 is arranged on the upper portion of the positioning column 412 and used for placing the positioning sleeve to be pressed and mounted at a corresponding position of the pump seat.

A mandrel 900 is fixedly arranged at the center of the lower end surface of the lower fixture body 400 for fixing the fixture device on the electronic press device.

When the positioning sleeve is pressed, the press head 100 and the clamp device are fixed on the electronic press device respectively, then the two positioning sleeves are placed in the positioning sleeve mounting sleeve 413 respectively, the reference surface of the pump seat is placed on the upper surface of the clamp device downwards, the pressing hole corresponds to the through hole 710 of the upper clamp body 700, the electronic press device is started according to the height difference between the positioning sleeve mounting block 410 and the limiting column 420, the press head 100 starts to press down, the press foot 800 contacts the pump seat to drive the upper clamp body 700, the lower surface of the upper clamp body 700 is pressed down to contact the upper surface of the limiting column 420, the press head returns, and the upper clamp body 700 moves upwards along the guide column along with the sliding seat of the sliding guide column 500 under the elastic deformation force of the spiral spring 510, so that the pressing operation of the positioning sleeve is completed.

The pressure head is provided with the floating device, even if the height difference of the two pressed surfaces is unstable, the floating pressure head can be automatically adjusted in the pressing process, so that all four pressure feet are tightly attached to the pressed surfaces, the service life of the pressure head cannot be influenced due to the fact that a certain pressure foot is not tightly attached to the pressed surfaces, the processing precision requirement of the two pressed surfaces of a pump seat is reduced, the manufacturing cost is saved, the reference surface of the pump seat is used as a supporting surface, the process supporting reference is consistent with the design reference, the perpendicularity of the tool positioning sleeve mounting sleeve relative to the upper surface of the tool clamping body is ensured, the perpendicularity of the assembled positioning sleeve relative to the reference surface is ensured, and the height mounting size of the assembled positioning sleeve relative to the reference surface is ensured only by ensuring the height difference of the upper surface of the limiting post 420 relative to the upper surface of the positioning sleeve mounting block 410, so that the assembly size stability is improved.

To sum up: the utility model has simple structure, can ensure that the pump seat is uniformly pressed, is not influenced by the height difference of the press-fitting surface of the pump seat, reduces the processing precision of the press-fitting surface of the pump seat, saves the manufacturing cost and can also improve the stability of the assembly dimension.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims (6)

1. The utility model provides a frock of pressure equipment water pump spacer sleeve, includes the pressure head, its characterized in that, pressure head conversion equipment has been set firmly to pressure head lower surface, pressure head conversion equipment lower surface is provided with first pressure post and second pressure post, pressure head conversion equipment below is provided with fixture device to be used for the pump seat benchmark to place down in fixture device's upper surface, fixture device includes the lower anchor clamps body, sets firmly a plurality of slip type guide pillars at lower anchor clamps body upper surface, sets firmly the solid fixed ring in a plurality of slip type guide pillar upper ends respectively, with the slide fixed connection's of slip type guide pillar last anchor clamps body, go up the anchor clamps body on correspond first pressure post department and seted up the through-hole that corresponds with the locating hole on the pump seat, lower anchor clamps body upper surface corresponds through-hole department and sets firmly the spacer sleeve installation piece, lower anchor clamps body upper surface still is provided with spacing post for limiting pump seat down the travel distance of pushing down, the height of spacer sleeve installation piece is less than the height.

2. The tooling for pressing the water pump positioning sleeve according to claim 1, wherein: the pressure head conversion device comprises a conversion plate fixedly connected with the pressure head, two connecting lugs symmetrically arranged along the transverse axis of the conversion plate, connecting pins respectively connected with the two connecting lugs, an adjusting plate rotationally connected with the connecting pins and a compression spring arranged between the conversion plate and the adjusting plate, and the first pressure column and the second pressure column are vertically and fixedly arranged on the lower surface of the adjusting plate.

3. The tooling for pressing the water pump positioning sleeve according to claim 2, wherein: the lower part of the upper clamp body is provided with a spiral spring corresponding to the sliding guide post, and the spiral spring is sleeved on the sliding guide post and is used for resetting the upper clamp body through elastic deformation force of the spiral spring.

4. The tooling for pressing the water pump positioning sleeve according to claim 1, wherein: the locating sleeve mounting block consists of a block base and a locating column, and a locating sleeve mounting sleeve is arranged on the upper portion of the locating column and used for placing the locating sleeve to be pressed and mounted at a position corresponding to the pump seat.

5. The tooling for pressing the water pump positioning sleeve according to claim 1, wherein: the first pressure column and the lower end face of the second pressure column are respectively provided with a presser foot, so that damage to the surface of the pump seat is avoided in the press fitting process.

6. The tooling for pressing the water pump positioning sleeve according to claim 1, wherein: and a mandrel is fixedly arranged at the center of the lower end face of the lower clamp body and used for fixing the clamp device on electronic press equipment.

Images