CN215201563U

CN215201563U - Special clamp for flywheel gear ring machining

Info

Publication number: CN215201563U
Application number: CN202120129666.2U
Authority: CN
Inventors: 陶一鸣
Original assignee: Jiangyin Hongchuang Kinetic Energy Technology Co ltd
Current assignee: Jiangyin Hongchuang Kinetic Energy Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-12-17
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a special fixture for flywheel ring gear processing relates to flywheel processing technology field. The utility model discloses a bottom plate, mounting, positioning seat and a plurality of support piece, positioning seat pass through a plurality of first fix with screws in bottom plate axle center department, and a plurality of first kidney slots have evenly been seted up to the bottom plate upper surface, and the second kidney slot has been seted up to the bottom plate lower surface and the position relative with first kidney slot, and positioning seat upper surface axle center department is fixed with the location end, and positioning seat and location end axle center department set up threaded hole. The utility model discloses a positioning seat and location end can be used for the location in work piece body axle center, and the position of work piece body can be fixed in the cooperation through mounting and screw hole sets up first kidney slot and second kidney slot simultaneously on the bottom plate to cooperate with neotype support piece, can support the work piece body, conveniently fix a position and the clamping to the flywheel, can improve the work efficiency to flywheel processing.

Description

Special clamp for flywheel gear ring machining

Technical Field

The utility model belongs to the technical field of the flywheel processing, especially, relate to a special fixture for flywheel ring gear processing.

Background

Aiming at the condition that a workpiece is easy to deform due to the design of a unique flywheel, the improvement of firstly pressing a gear ring is made on the process of the flywheel, so that the existing tool clamp cannot clamp the workpiece, and a special tool clamp for the flywheel needs to be newly designed.

The existing flywheel machining center clamp is clamped by a self-centering three-jaw chuck, if a gear ring needs to be pressed first, the three-jaw chuck cannot clamp, so that a special tool for manufacturing the flywheel is urgently needed, and meanwhile, the designed clamp needs to be convenient for workers to debug and install.

In view of the above, it would be desirable to provide a machining fixture for designing a unique flywheel that reduces the labor adjustment time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special fixture for flywheel ring gear processing can be used for the location in work piece body axle center through positioning seat and location end, can fix the position of work piece body through the cooperation of mounting and screw hole, sets up first kidney slot and second kidney slot simultaneously on the bottom plate to cooperate with neotype support piece, can support the work piece body, conveniently fix a position and the clamping to the flywheel, can improve the work efficiency to flywheel processing.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a special fixture for flywheel gear ring processing, which comprises a bottom plate, a fixing piece, a positioning seat and a plurality of supporting pieces;

the positioning seat is fixed at the axis of the bottom plate through a plurality of first screws;

a plurality of first kidney-shaped grooves are uniformly formed in the upper surface of the bottom plate, and second kidney-shaped grooves are formed in the lower surface of the bottom plate and are opposite to the first kidney-shaped grooves;

a positioning end is fixed on the axis of the upper surface of the positioning seat, threaded holes are formed in the axes of the positioning seat and the positioning end, and a first positioning pin is fixed on the upper surface of the positioning seat;

the fixing piece comprises a pressing plate and a second screw, and the pressing plate is fixed on the positioning seat through the second screw and a threaded hole;

the support piece comprises a third screw, an equal-height sleeve and a nut;

the screw part of the third screw penetrates through the second kidney-shaped groove and is in sliding connection with the second kidney-shaped groove;

the nut is arranged on the screw rod part of the third screw in a threaded mode, the nut is located at the upper portion of the bottom plate, and the equal-height sleeve is sleeved at the end portion of the screw rod part of the third screw and is in contact with the nut.

The positioning device is characterized by further comprising a workpiece body, wherein an inner hole is formed in the axis of the workpiece body, the workpiece body is sleeved on the positioning end through the inner hole, the workpiece body is fixed between the pressing plate and the positioning seat, and the end faces of the equal-height sleeves on the supporting pieces are respectively in contact with the lower surface of the workpiece body.

Furthermore, the workpiece body is provided with a positioning pin hole, and the first positioning pin is positioned in the positioning pin hole and is in clearance fit with the positioning pin hole.

Furthermore, a plurality of first screw holes are formed in the positioning seat, a plurality of second screw holes are formed in the bottom plate, and a containing groove is formed in the bottom surface of the bottom plate and in the position concentric with the second screw holes.

Further, the screw rod portion of first screw sets up in first screw and second screw, the nut portion of first screw sets up and accomodate the inslot and with accomodate groove clearance fit.

Furthermore, a second positioning pin penetrates through and is fixed on the positioning seat, a group of positioning grooves are formed in the bottom plate, and the end portion of the second positioning pin is located in the positioning grooves and in clearance fit with the positioning grooves.

Furthermore, a group of guide keys penetrate through and are fixed on the bottom plate, the bottom ends of the guide keys are located at the lower part of the bottom plate, and the guide keys are located in notches on the workbench and are in clearance fit with the notches.

Furthermore, a notch is formed in the peripheral side face of the positioning seat, and the inner side face of the notch is of a straight surface structure.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up positioning seat and location end on the bottom plate, can be used for the location in work piece body axle center, simultaneously through setting up first locating pin on the positioning seat, with the cooperation of locating pin hole on the work piece body, can restrict the position of work piece body, the position of work piece body can be fixed through the cooperation of mounting and screw hole simultaneously, set up first kidney slot and second kidney slot simultaneously on the bottom plate, and cooperate with neotype support piece, can support the outside of work piece body, can stabilize the position of location and restriction work piece body, conveniently fix a position and the clamping to the flywheel, can improve the work efficiency to flywheel processing.

2. The utility model discloses a design neotype support piece, support piece can slide along first kidney slot and second kidney slot to can adjust support piece's position, the work piece that can the different specifications of adaptation supports, simultaneously through rotating the nut, can adjust the height of high cover, can adapt the use of the flywheel of co-altitude not, and the suitability is stronger.

3. The utility model discloses a first screw realizes fixing between positioning seat and the bottom plate and demolishs, possesses the detachable performance, and the hole size when the flywheel is different, only needs to change the positioning seat, has reduced the processing cost, has reduced manpower debugging time.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic structural diagram of a special fixture for processing a flywheel gear ring of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a bottom view of the structure of the present invention;

FIG. 4 is a cross-sectional view of the structure at A-A in FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partial enlarged view of the portion B in FIG. 4;

FIG. 7 is a schematic structural diagram of the positioning seat;

in the drawings, the components represented by the respective reference numerals are listed below:

1-bottom plate, 2-fixing piece, 3-positioning seat, 4-supporting piece, 5-first screw, 6-workpiece body, 101-first kidney-shaped groove, 102-second kidney-shaped groove, 103-second screw hole, 104-accommodating groove, 105-guide key, 201-pressing plate, 202-second screw, 301-positioning end, 302-threaded hole, 303-first positioning pin, 304-first screw hole, 305-second positioning pin, 306-notch, 401-third screw, 402-contour sleeve, 403-nut and 601-inner hole.

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

Referring to fig. 1-7, the present invention relates to a special fixture for flywheel gear ring processing, which comprises a bottom plate 1, a fixing member 2, a positioning seat 3 and a plurality of supporting members 4;

the positioning seat 3 is fixed at the axis of the bottom plate 1 through a plurality of first screws 5;

a plurality of first kidney-shaped grooves 101 are uniformly formed in the upper surface of the base plate 1, and second kidney-shaped grooves 102 are formed in the lower surface of the base plate 1 and opposite to the first kidney-shaped grooves 101;

a positioning end 301 is fixed on the axis of the upper surface of the positioning seat 3, threaded holes 302 are formed in the axes of the positioning seat 3 and the positioning end 301, and a first positioning pin 303 is fixed on the upper surface of the positioning seat 3;

the fixing piece 2 comprises a pressure plate 201 and a second screw 202, and the pressure plate 201 is fixed on the positioning seat 3 through the second screw 202 and a threaded hole 302;

the support 4 comprises a third screw 401, an equal-height sleeve 402 and a nut 403;

a screw cap part on the third screw 401 is arranged in the second kidney-shaped groove 102 and is in sliding connection with the second kidney-shaped groove 102, and a screw part of the third screw 401 penetrates through the second kidney-shaped groove 102 and is in sliding connection with the second kidney-shaped groove 102;

a nut 403 is screwed on the screw portion of the third screw 401, the nut 403 is located at the upper portion of the bottom plate 1, and an equal-height sleeve 402 is sleeved on the end portion of the screw portion of the third screw 401 and is in contact with the nut 403.

As shown in fig. 4-6, the positioning device further includes a workpiece body 6, an inner hole 601 is disposed at an axis of the workpiece body 6, the workpiece body 6 is sleeved on the positioning end 301 through the inner hole 601, the workpiece body 6 is fixed between the pressing plate 201 and the positioning seat 3, and end faces of equal-height sleeves 402 on the plurality of supporting members 4 are respectively in contact with a lower surface of the workpiece body 6.

The workpiece body 6 is provided with a positioning pin hole, and the first positioning pin 303 is located in the positioning pin hole and is in clearance fit with the positioning pin hole.

As shown in fig. 3 and 5, the positioning base 3 is provided with a plurality of first screw holes 304, the bottom plate 1 is provided with a plurality of second screw holes 103, and the bottom surface of the bottom plate 1 and the positions concentric with the plurality of second screw holes 103 are provided with receiving grooves 104.

As shown in fig. 3 and 5, the screw portion of the first screw 5 is disposed in the first screw hole 304 and the second screw hole 103, and the nut portion of the first screw 5 is disposed in the receiving groove 104 and is in clearance fit with the receiving groove 104.

As shown in fig. 7, a second positioning pin 305 is fixed on the positioning base 3 in a penetrating manner, a group of positioning grooves is formed on the bottom plate 1, and the end of the second positioning pin 305 is located in the positioning groove and is in clearance fit with the positioning groove.

As shown in fig. 3-4, a group of guide keys 105 is fixedly penetrated on the bottom plate 1, the bottom ends of the guide keys 105 are positioned at the lower part of the bottom plate 1, and the guide keys 105 are positioned in the notches on the workbench and in clearance fit with the notches, so that the original point of the clamp is directly determined without calibrating the original point by a wire-making meter, and the production efficiency is improved.

As shown in fig. 7, a notch 306 is formed on the peripheral side surface of the positioning seat 3, and the inner side surface of the notch 306 is a flat surface structure.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a special fixture for flywheel ring gear processing which characterized in that: comprises a bottom plate (1), a fixing piece (2), a positioning seat (3) and a plurality of supporting pieces (4);

the positioning seat (3) is fixed at the axle center of the bottom plate (1) through a plurality of first screws (5);

a plurality of first kidney-shaped grooves (101) are uniformly formed in the upper surface of the base plate (1), and second kidney-shaped grooves (102) are formed in the lower surface of the base plate (1) and in positions opposite to the first kidney-shaped grooves (101);

a positioning end (301) is fixed at the axis of the upper surface of the positioning seat (3), threaded holes (302) are formed in the axes of the positioning seat (3) and the positioning end (301), and a first positioning pin (303) is fixed on the upper surface of the positioning seat (3);

the fixing piece (2) comprises a pressing plate (201) and a second screw (202), and the pressing plate (201) is fixed on the positioning seat (3) through the second screw (202) and a threaded hole (302);

the support (4) comprises a third screw (401), an equal-height sleeve (402) and a nut (403);

a screw cap part on the third screw (401) is arranged in the second kidney-shaped groove (102) and is in sliding connection with the second kidney-shaped groove (102), and a screw rod part of the third screw (401) penetrates through the second kidney-shaped groove (102) and is in sliding connection with the second kidney-shaped groove (102);

the nut (403) is arranged on the screw part of the third screw (401) in a threaded mode, the nut (403) is located at the upper portion of the bottom plate (1), and the equal-height sleeve (402) is sleeved on the end portion of the screw part of the third screw (401) and is in contact with the nut (403).

2. The special fixture for machining the flywheel ring gear according to claim 1, characterized by further comprising a workpiece body (6), wherein an inner hole (601) is formed in the axis of the workpiece body (6), the workpiece body (6) is sleeved on the positioning end (301) through the inner hole (601), the workpiece body (6) is fixed between the pressing plate (201) and the positioning seat (3), and end faces of equal-height sleeves (402) on the plurality of supporting pieces (4) are respectively in contact with the lower surface of the workpiece body (6).

3. The special fixture for machining the flywheel gear ring is characterized in that a positioning pin hole is formed in the workpiece body (6), and the first positioning pin (303) is located in the positioning pin hole and is in clearance fit with the positioning pin hole.

4. The special fixture for machining the flywheel gear ring is characterized in that a plurality of first screw holes (304) are formed in the positioning seat (3), a plurality of second screw holes (103) are formed in the bottom plate (1), and a containing groove (104) is formed in the bottom surface of the bottom plate (1) and in a position concentric with the second screw holes (103).

5. The special fixture for flywheel ring gear machining according to claim 4, characterized in that the screw portion of the first screw (5) is disposed in the first screw hole (304) and the second screw hole (103), and the nut portion of the first screw (5) is disposed in the receiving groove (104) and is in clearance fit with the receiving groove (104).

6. The special fixture for machining the flywheel gear ring is characterized in that a second positioning pin (305) penetrates and is fixed on the positioning seat (3), a group of positioning grooves are formed in the bottom plate (1), and the end part of the second positioning pin (305) is located in the positioning grooves and is in clearance fit with the positioning grooves.

7. The special fixture for machining the flywheel gear ring is characterized in that a group of guide keys (105) are fixedly arranged on the bottom plate (1) in a penetrating mode, the bottom ends of the guide keys (105) are located at the lower portion of the bottom plate (1), and the guide keys (105) are located in notches in a workbench and are in clearance fit with the notches.

8. The special fixture for machining the flywheel gear ring is characterized in that a notch (306) is formed in the peripheral side face of the positioning seat (3), and the inner side face of the notch (306) is of a straight surface structure.