CN215546961U

CN215546961U - Fixed frock in location of flywheel

Info

Publication number: CN215546961U
Application number: CN202121251866.1U
Authority: CN
Inventors: 路耀飞
Original assignee: Jilin Dahua Machine Manufacturing Co ltd
Current assignee: Jilin Dahua Machine Manufacturing Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-18
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a positioning and fixing tool for a flywheel, which comprises a positioning plate, wherein the positioning plate is provided with a positioning shaft, more than two positioning sizing blocks and an angle positioning mechanism, the positioning shaft is matched with a shaft hole of the flywheel, the positioning sizing blocks are distributed on the periphery of the positioning shaft, the angle positioning mechanism is positioned on one side of the positioning shaft, and the angle positioning mechanism comprises an angle positioning block matched with the angle positioning groove of the flywheel and an angle positioning cylinder used for driving the angle positioning block to lift. When the positioning fixing tool of the flywheel is applied, the positioning shaft is inserted into the shaft hole of the flywheel to radially and axially position the flywheel. And the angular positioning block is driven by the rear angle positioning cylinder to move downwards, so that the angular positioning block is embedded into the angular positioning groove. When the angular positioning cylinder acts, the axial positioning and the angular positioning can be simultaneously carried out, so that the situations of positioning error and positioning leakage are avoided.

Description

Fixed frock in location of flywheel

Technical Field

The utility model relates to the technical field of flywheel manufacturing, in particular to a fixed tooling for flywheel determination.

Background

Due to the particularity of the function and the structure of the flywheel, the surface of the product is provided with a plurality of bolt and thread hole groups for connecting and assembling the flywheel with an engine and a clutch. The hole groups are usually formed by drilling, and meanwhile, avoidance grooves for avoiding the clutch rivets are cast on the flywheel. The structure of the flywheel requires that a hole group needs to have a relatively accurate angle relation with an avoiding groove during machining.

The existing drilling tool usually adopts a split and manual mode. In the machining process, the positioning block and the avoiding groove are manually positioned and locked in an angular direction. And then the air valve is manually communicated, so that the flywheel is compressed by the air cylinder, and the angular positioning and clamping of the flywheel are realized. However, the manual angular positioning has low working efficiency and large error, and once positioning errors and positioning omission occur, workpieces are scrapped due to processing errors of the positions of the workpiece holes, so that enterprise loss is caused.

Therefore, how to avoid the situations of positioning errors and missing positioning is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flywheel positioning and fixing tool, which drives an angular positioning block to be matched with an angular positioning groove of a flywheel through an angular positioning cylinder, so that automatic positioning is realized, and the situations of positioning errors and positioning omission are avoided.

In order to achieve the purpose, the utility model provides a flywheel positioning and fixing tool which comprises a positioning plate, wherein a positioning shaft, two or more positioning sizing blocks and an angle positioning mechanism are arranged on the positioning plate, the positioning shaft is used for being matched with a shaft hole of a flywheel, the two or more positioning sizing blocks are distributed on the periphery of the positioning shaft, the angle positioning mechanism is positioned on one side of the positioning shaft, and the angle positioning mechanism comprises an angle positioning block matched with the angle positioning groove of the flywheel and an angle positioning cylinder used for driving the angle positioning block to ascend and descend.

Preferably, the periphery of the positioning shaft is further provided with a rotary pressing cylinder, and the upper end of a rotating shaft of the rotary pressing cylinder is connected with a pressing sheet for pressing the flywheel.

Preferably, the number of the positioning sizing blocks is 4, all the positioning sizing blocks are uniformly distributed on a first preset circumference, the first preset circumference is positioned in a plane parallel to the positioning plate, and the circle center is positioned on the axis of the positioning shaft.

Preferably, the number of the rotary compression cylinders is more than two, all the rotary compression cylinders are uniformly distributed on a second preset circumference, the second preset circumference is located in a plane parallel to the positioning plate, the circle center of the second preset circumference is located on the axis of the positioning shaft, and the diameter of the second preset circumference is larger than that of the first preset circumference.

Preferably, the positioning shaft comprises a plug part positioned at the top and a supporting platform positioned at the periphery of the plug part.

Preferably, the angle positioning mechanism further comprises a mechanical control valve for controlling the rotary pressing cylinder, a piston of the angle positioning cylinder is connected with a pressing plate, the angle positioning block is arranged on one side, close to the positioning shaft, of the pressing plate, the mechanical control valve is located below the pressing plate, and when the piston of the angle positioning cylinder contracts to press a workpiece, the pressing plate presses down to open the mechanical control valve.

Preferably, the angle positioning mechanism further comprises a positioning template, the positioning template is fixedly connected with the positioning plate, and the angle positioning cylinder is fixed on the positioning template.

Preferably, a detachable control valve base is further arranged on the positioning template, and the mechanical control valve is detachably connected with the control valve base.

Preferably, the pressing plate is provided with a first guide part in a downward direction, and the positioning template is provided with a second guide part in an upward direction and matched with the first guide part.

Preferably, the first guide part is a tubular guide sleeve, the second guide part is a guide pillar, and the guide pillar is in clearance fit with the guide sleeve.

The positioning and fixing tool for the flywheel comprises a positioning plate, wherein a positioning shaft, more than two positioning sizing blocks and an angle positioning mechanism are arranged on the positioning plate, the positioning shaft is used for being matched with a shaft hole of the flywheel, the two positioning sizing blocks are distributed on the periphery of the positioning shaft, the angle positioning mechanism is positioned on one side of the positioning shaft, and the angle positioning mechanism comprises an angle positioning block used for being matched with an angle positioning groove of the flywheel and an angle positioning cylinder used for driving the angle positioning block to ascend and descend.

When the positioning fixing tool of the flywheel is applied, the positioning shaft is inserted into the shaft hole of the flywheel to radially and axially position the flywheel. And the angular positioning block is driven by the rear angle positioning cylinder to move downwards, so that the angular positioning block is embedded into the angular positioning groove. When the angular positioning cylinder acts, the axial positioning and the angular positioning can be simultaneously carried out, so that the situations of positioning error and positioning leakage are avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a positioning and fixing tool for a flywheel provided by the present invention;

FIG. 2 is a sectional view of the positioning fixture of FIG. 1;

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

fig. 4 is a schematic structural diagram of the flywheel.

Wherein the reference numerals in fig. 1 to 4 are:

the device comprises a positioning plate 1, a positioning shaft 2, a positioning sizing block 3, a rotary pressing cylinder 4, a cylinder seat 5, an angular positioning block 6, a pressing plate 7, a guide sleeve 8, a guide pillar 9, a mechanical control valve 10, a control valve base 11, a positioning template 12, an angular positioning cylinder 13, a shaft hole 14 and an angular positioning groove 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a positioning and fixing tool for a flywheel according to the present invention; FIG. 2 is a sectional view of the positioning fixture of FIG. 1; FIG. 3 is a cross-sectional view taken at A-A of FIG. 2; fig. 4 is a schematic structural diagram of the flywheel.

The positioning and fixing tool for the flywheel, provided by the utility model, has a structure shown in fig. 1-3, and comprises a positioning plate 1, wherein a positioning shaft 2, a positioning sizing block 3 and an angle positioning mechanism are arranged on the positioning plate 1. The positioning plate 1 can be connected with drilling equipment such as a drilling machine and the like, and is provided with a positioning shaft 2, a positioning sizing block 3 and an angle positioning mechanism which are matched to position the flywheel in the axial direction, the radial direction and the angular direction. Specifically, the positioning shaft 2 is located in the middle of the positioning plate 1, and when the flywheel is placed in the positioning and fixing tool, the positioning shaft 2 is inserted into the shaft hole 14 of the flywheel, so that radial positioning of the flywheel is achieved. The number of the positioning sizing blocks 3 is usually more than two, and all the positioning sizing blocks 3 are uniformly distributed along a first preset circumference, and the circle center of the first preset circumference is the intersection point of the axis of the positioning shaft 2 and the plane where the positioning plate 1 is located. The upper end faces of all the positioning sizing blocks 3 are located in the same horizontal plane, and the positioning sizing blocks 3 can support the peripheral part of the flywheel and axially limit the flywheel. The angle positioning mechanism comprises an angle positioning cylinder 13 and an angle positioning block 6, the angle positioning cylinder 13 is positioned outside the area covered by the flywheel on the positioning plate 1, and the angle positioning block 6 is connected with a piston of the angle positioning cylinder 13 and extends into the area covered by the flywheel on the positioning plate 1. The angular positioning block 6 can be matched with an angular positioning groove 15 on the flywheel to realize the angular positioning of the flywheel.

Optionally, a rotary pressing cylinder 4 is further disposed on the positioning plate 1, and the rotary pressing cylinder 4 is located outside an area covered by the positioning plate 1. The upper end of the rotating shaft of the rotary compressing cylinder 4 is connected with a compressing sheet. Before processing, an operator places the flywheel on the positioning shaft 2 and the positioning sizing block 3, then the angular positioning cylinder 13 moves downwards to embed the angular positioning block 6 into the angular positioning groove 15, the rotary pressing cylinder 4 drives the pressing piece to rotate, and the flywheel is pressed from the upper side. As shown in fig. 1, a cylinder block 5 is arranged on the positioning plate 1, the cross section of the cylinder block 5 is in a zigzag shape, the lower end of the cylinder block 5 is connected with the positioning plate 1 through a bolt, the upper end of the cylinder block 5 is connected with the upper end of a cylinder barrel of the rotary compressing cylinder 4 through a bolt, the upper end of the cylinder block 5 is provided with a through hole penetrating along the thickness direction, and a piston of the rotary compressing cylinder 4 penetrates through the through hole to be connected with a compressing sheet.

Optionally, as shown in fig. 1, there are 4 positioning parallels 3, and all the positioning parallels 3 are uniformly distributed on the first preset circumference. The number of the rotary pressing cylinders 4 is more than two, and all the rotary pressing cylinders 4 are uniformly distributed on the second preset circumference. The second preset circumference is located in the plane of the parallel positioning plate 1, the circle center of the second preset circumference is located on the axis of the positioning shaft 2, and the diameter of the second preset circumference is larger than that of the first preset circumference. In fig. 1, the number of the rotary compressing cylinders 4 is 3, and a user can set the number and distribution mode of the rotary compressing cylinders 4 according to needs, which is not limited herein.

Optionally, the positioning shaft 2 comprises a plug part at the top and a support platform below the plug part. The diameter of the support platform is larger than that of the plug part, so that an upward table surface is formed on the periphery of the plug part and can support the periphery of the flywheel shaft hole 14.

Optionally, the angular positioning mechanism further includes a mechanical control valve 10, and the mechanical control valve 10 is connected to the rotary compacting cylinder 4 and is configured to control start and stop of the rotary compacting cylinder 4. Specifically, a piston of the angular positioning cylinder 13 is connected with a pressure plate 7, and the angular positioning block 6 is arranged on one side of the pressure plate 7 close to the positioning shaft 2. The mechanical control valve 10 is positioned below the pressure plate 7, and when the piston of the angular positioning cylinder 13 enables the angular positioning block 6 to be embedded into the angular positioning groove 15 of the flywheel, the pressure plate 7 presses downwards to open the mechanical control valve 10. At this time, the mechanical control valve 10 starts to rotate the compressing cylinder 4 to compress the flywheel.

Optionally, the angle positioning mechanism further includes a positioning template 12, the positioning template 12 is fixedly connected with the positioning plate 1 by welding or bolt connection, and a cylinder of the angle positioning cylinder 13 is fixed on the positioning template 12. The piston of the angular positioning cylinder 13 is fixedly connected with the pressure plate 7 through bolts.

Optionally, as shown in fig. 1, a control valve base 11 is further disposed on the positioning template 12, and the control valve base 11 is detachably connected to the positioning template 12 through bolts. The mechanical control valve 10 is also detachably connected to the control valve base 11 by bolts. Of course, the control valve base plate and the mechanical control valve 10 may be fixed in other manners, and are not limited herein.

Alternatively, the pressure plate 7 is stressed on one side, so that the pressure plate is easy to deflect after long-time use. In order to alleviate the deflection of the pressing plate 7, the pressing plate 7 is provided with a first guide part in a downward direction, and the positioning template 12 is provided with a second guide part in an upward direction. The first guide part is matched with the second guide part, and the acting force exerted on the pressing plate 7 by the angular positioning block 6 can be balanced.

Optionally, the first guiding part is a tubular guide sleeve 8, and the second guiding part is a guide post 9. The guide post 9 is in clearance fit with the guide sleeve 8 and is inserted into the guide sleeve 8. When the pressure plate 7 is stressed on one side to generate deflection, an interaction force is generated between the guide pillar 9 and the guide sleeve 8 and is used for balancing the acting force exerted on the pressure plate 7 by the angular positioning block 6. In a specific embodiment of this application, the downside of clamp plate 7 is equipped with 4 guide pin bushings 8, and locating template 12 is equipped with 4 guide pillars 9, and guide pin bushings 8 and guide pillars 9 cooperate one by one. Of course, the user can set the structure and number of the first guiding portion and the second guiding portion according to the need, for example, the guiding blocks can be used to cooperate with each other, or the guiding rod can be used to cooperate with the guiding hole, which is not limited herein.

In this embodiment, the positioning and fixing tool for the flywheel drives the angular positioning block 6 to press the flywheel downwards through the angular positioning cylinder 13, and meanwhile, the angular positioning block 6 is embedded into the angular positioning groove 15 of the flywheel, so that the angular positioning of the flywheel is realized. And the pressing plate 7 moves downwards along with the angle positioning cylinder 13 and simultaneously touches the mechanical control valve 10, and the mechanical control valve 10 controls the action of the rotary pressing cylinder 4. The rotary compressing cylinder 4 rotates and compresses the flywheel through the pressing plate 7, so that the fixation of the flywheel is realized. The positioning and fixing process can be completed only by triggering once, and if angular positioning fails, the subsequent fixing process cannot be completed, so that drilling operation cannot be performed. The situations of wrong positioning and missed positioning are avoided in the control flow.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The positioning and fixing tool for the flywheel provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a frock is fixed in location of flywheel, a serial communication port, includes locating plate (1), be equipped with location axle (2), location parallels (3) and angle positioning mechanism on locating plate (1), location axle (2) are used for the shaft hole cooperation with the flywheel, location parallels (3) be more than two and distribute in the periphery of location axle (2), angle positioning mechanism is located one side of location axle (2), angle positioning mechanism is including being used for with angle positioning groove complex angle positioning piece (6) of flywheel and being used for driving angle positioning cylinder (13) that angle positioning piece (6) go up and down.

2. The fixed frock of location of claim 1, characterized in that, location axle (2) periphery still is equipped with rotatory pressure cylinder (4), the rotation axis upper end of rotatory pressure cylinder (4) even has the compressing blade that is used for compressing tightly the flywheel.

3. The tool according to claim 2, characterized in that the number of the positioning sizing blocks (3) is 4, all the positioning sizing blocks (3) are uniformly distributed on a first preset circumference, the first preset circumference is located in a plane parallel to the positioning plate (1), and the circle center of the first preset circumference is located on the axis of the positioning shaft (2).

4. The tool according to claim 3, characterized in that the number of the rotary pressing cylinders (4) is more than two, all the rotary pressing cylinders (4) are uniformly distributed on a second preset circumference, the second preset circumference is located in a plane parallel to the positioning plate (1), the circle center of the second preset circumference is located on the axis of the positioning shaft (2), and the diameter of the second preset circumference is larger than that of the first preset circumference.

5. The positioning and fixing tool as claimed in claim 4, wherein the positioning shaft (2) comprises an insertion part located at the top and a supporting platform located at the periphery of the insertion part.

6. The tool according to any one of claims 2 to 5, characterized in that the angular positioning mechanism further comprises a mechanical control valve (10) for controlling the rotary pressing cylinder (4), a pressure plate (7) is connected to a piston of the angular positioning cylinder (13), the angular positioning block (6) is arranged on one side, close to the positioning shaft (2), of the pressure plate (7), the mechanical control valve (10) is located below the pressure plate (7), and when the piston of the angular positioning cylinder (13) contracts to press a workpiece, the pressure plate (7) presses down to open the mechanical control valve (10).

7. The positioning and fixing tool according to claim 6, wherein the angle positioning mechanism further comprises a positioning template (12), the positioning template (12) is fixedly connected with the positioning plate (1), and the angle positioning cylinder (13) is fixed on the positioning template (12).

8. The positioning and fixing tool according to claim 7, wherein a detachable control valve base (11) is further arranged on the positioning template (12), and the mechanical control valve (10) is detachably connected with the control valve base (11).

9. The positioning and fixing tool according to claim 7, wherein the pressure plate (7) is provided with a first guide portion in a downward direction, and the positioning template (12) is provided with a second guide portion in an upward direction and matched with the first guide portion.

10. The tool according to claim 9, wherein the first guide part is a tubular guide sleeve (8), the second guide part is a guide post (9), and the guide post (9) is in clearance fit with the guide sleeve (8).