CN211805178U - Mechanical clamping tool for grinding thin-wall sleeve - Google Patents
Mechanical clamping tool for grinding thin-wall sleeve Download PDFInfo
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- CN211805178U CN211805178U CN202020318866.8U CN202020318866U CN211805178U CN 211805178 U CN211805178 U CN 211805178U CN 202020318866 U CN202020318866 U CN 202020318866U CN 211805178 U CN211805178 U CN 211805178U
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- thin
- disk body
- wall cover
- hole
- thin wall
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Abstract
The utility model discloses a thin wall cover is mechanical type clamping frock for grinding, including the circular shape disk body, a locating hole that is used for fixing a position the shaft shoulder of thin wall cover is seted up respectively to the both sides of disk body, and two locating holes are the round hole and it all is coaxial laying with the disk body, have a plurality of clamp plates that are used for compressing tightly the shaft shoulder of thin wall cover along its circumference equipartition on the disk body, and the clamp plate passes through locking screw and installs on the disk body, and the one end that is close to the thin wall cover on the clamp plate is provided with the briquetting that is used for compressing tightly the shaft shoulder, is provided with floating spring between the one end of keeping. The utility model discloses a set up a locating hole that is used for fixing a position the shaft shoulder of thin wall cover respectively in the both sides of disk body, be provided with a plurality of clamp plates along its circumference on the disk body simultaneously and fix the shaft shoulder of thin wall cover, the one end of clamp plate is provided with the briquetting, the other end is provided with floating spring, axial and the radial degree of freedom that can effectively restrict the thin wall cover, thereby the work piece drunkenness takes place the amount of deflection and warp when preventing to feed the emery wheel.
Description
Technical Field
The utility model belongs to the technical field of the grinding anchor clamps, concretely relates to thin wall cover mechanical type clamping frock for grinding.
Background
From the design and use of parts, the thin-wall sleeve type parts are mostly used for shafts and holes and have the functions of guiding, limiting, stopping rotation and positioning. In the design process, the outer surface and the inner surface of the part are cylindrical, the wall thickness is uniform, the inner hole is communicated, the part has the characteristics of inner hole and excircle matching and the like when in work, in the machining process, the coaxiality of the inner hole and the excircle is high, the size precision is high, and the machining of a small tolerance zone is difficult to realize in the turning process, so that some thin-wall sleeve parts with shaft shoulders need to be finished by grinding. In order to ensure that the high precision of an inner hole and an outer circle of a product can be realized, when the inner hole of the thin-wall sleeve is ground, if an effective clamping measure is not taken, the part can be deformed greatly, and the precision of the inner hole of the part is difficult to ensure. Therefore, a mechanical clamping tool is needed to be designed, the shaft shoulder of the thin-wall sleeve can be clamped stably, the inner hole grinding of the thin-wall sleeve with the shaft shoulder is realized, and the deformation is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, a mechanical type clamping frock is used in thin wall cover grinding is provided, its structural design is reasonable, through set up a locating hole that is used for fixing a position the shaft shoulder of thin wall cover respectively in the both sides at the disk body, it fixes the shaft shoulder of thin wall cover to be provided with a plurality of clamp plates along its circumference simultaneously on the disk body, the one end of clamp plate is provided with the briquetting, the other end is provided with floating spring, can effectively restrict the axial and the radial degree of freedom of thin wall cover, thereby the work piece drunkenness takes place the amount of deflection and warp when preventing to feed the.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a thin wall cover grinding is with mechanical type clamping frock which characterized in that: including the circular shape disk body, the locating hole that is used for fixing a position the shaft shoulder of thin wall cover is seted up respectively to the both sides of disk body, two the locating hole is the round hole and all is coaxial the laying with the disk body, one side of installing the thin wall cover on the disk body has a plurality of clamp plates that are used for compressing tightly the shaft shoulder of thin wall cover along its circumference equipartition, the clamp plate passes through the locking screw and installs on the disk body, the one end that is close to the thin wall cover on the clamp plate is provided with the briquetting that is used for compressing tightly the shaft shoulder, it is provided with floating spring to keep away from between the one end of.
Foretell thin wall cover is mechanical type clamping frock for grinding, its characterized in that: the number of the pressing plates is three.
Foretell thin wall cover is mechanical type clamping frock for grinding, its characterized in that: the grinding wheel is characterized in that a grinding wheel through hole is formed in the middle of the disc body, the grinding wheel through hole is a round hole and is coaxially arranged with the disc body, and two ends of the grinding wheel through hole are communicated with the two positioning holes respectively.
Foretell thin wall cover is mechanical type clamping frock for grinding, its characterized in that: the aperture of the grinding wheel hole is not smaller than the inner diameter of the thin-wall sleeve, and the apertures of the two positioning holes are larger than the aperture of the grinding wheel hole.
Foretell thin wall cover is mechanical type clamping frock for grinding, its characterized in that: three screw holes for installing locking screws are uniformly formed in the tray body along the circumferential direction of the tray body, the screw holes are located on the outer sides of the two positioning holes, and each screw hole is formed in the middle of each pressing plate.
Foretell thin wall cover is mechanical type clamping frock for grinding, its characterized in that: each side of the tray body is evenly provided with three spring mounting holes for mounting floating springs along the circumferential direction of the tray body.
Foretell thin wall cover is mechanical type clamping frock for grinding, its characterized in that: the pressing plate is provided with a guide pillar for guiding the floating spring, the guide pillar is a cylinder, and the floating spring is sleeved on the guide pillar and extends into the spring mounting hole.
Foretell thin wall cover is mechanical type clamping frock for grinding, its characterized in that: two limiting blocks are further fixed on the pressing plate and symmetrically arranged on two sides of the guide pillar.
Foretell thin wall cover is mechanical type clamping frock for grinding, its characterized in that: the aperture of the two positioning holes is unequal and is smaller than the diameter of the tray body.
Compared with the prior art, the utility model has the following advantage:
1. the utility model is provided with a positioning hole for positioning the shaft shoulder of the thin-wall sleeve on two sides of the disc body, so that the tool is suitable for processing the thin-wall sleeves with two shaft shoulder sizes, and the application range is wide; the positioning hole is specially used for positioning the shaft shoulder of the thin-wall sleeve, the radial degree of freedom of the thin-wall sleeve can be limited, and the thin-wall sleeve is prevented from moving to generate deflection deformation when the grinding wheel is fed, so that the processing quality of the thin-wall sleeve is influenced.
2. The utility model discloses a there are a plurality of clamp plates that are used for compressing tightly the shaft shoulder of thin wall cover along its circumference equipartition on the disk body, and the one end that is close to the thin wall cover on the clamp plate simultaneously is provided with the briquetting that is used for compressing tightly the shaft shoulder, screws up the back when the locking screw, can realize fixing the thin wall cover with the mode of terminal surface locking, can restrict the axial degree of freedom of thin wall cover.
3. The utility model discloses a keep away from being provided with floating spring between thin wall cover's one end and the disk body on the clamp plate, after thin wall cover is fixed, floating spring can support the one end of keeping away from thin wall cover on the clamp plate, guarantees that the clamp plate is even to the point atress that compresses tightly of shaft shoulder to can give a reverse thrust of locking screw, prevent to lead to locking screw thread clearance too big because of long-term the use, the fastening force reduces.
To sum up, the utility model has the advantages of reasonable design, through offering a locating hole that is used for fixing a position the shaft shoulder of thin wall cover respectively in the both sides of disk body, be provided with a plurality of clamp plates along its circumference on the disk body simultaneously and fix the shaft shoulder of thin wall cover, the one end of clamp plate is provided with the briquetting, and the other end is provided with floating spring, can effectively restrict the axial and the radial degree of freedom of thin wall cover, thereby the work piece drunkenness takes place the amount of deflection and warp when preventing to feed the emery wheel.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is an enlarged view of fig. 2 at B.
Fig. 4 is a schematic structural view of the tray body of the present invention.
Fig. 5 is a cross-sectional view C-C of fig. 4.
Fig. 6 is a schematic structural view of the pressing plate of the present invention.
Fig. 7 is a left side view of fig. 6.
Description of reference numerals:
1, a tray body; 2, positioning holes; 3, pressing a plate;
3-1-briquetting; 3-2-guide pillar; 3-a limiting block;
4, locking the screw; 5-a floating spring; 6, perforating a grinding wheel;
7-screw holes; 8, a spring mounting hole; 9-thin wall sleeve;
9-1-shoulder.
Detailed Description
As shown in fig. 1 to 7, the utility model discloses a circular shape disk body 1, a locating hole 2 that is used for fixing a position the shaft shoulder 9-1 of thin wall cover 9 is seted up respectively to the both sides of disk body 1, two locating hole 2 is the round hole and all is coaxial the laying with disk body 1, one side of installing thin wall cover 9 on disk body 1 has a plurality of clamp plates 3 that are used for compressing tightly shaft shoulder 9-1 of thin wall cover 9 along its circumference equipartition, clamp plates 3 install on disk body 1 through locking screw 4, the one end that is close to thin wall cover 9 on clamp plate 3 is provided with briquetting 3-1 that is used for compressing tightly shaft shoulder 9-1, be provided with floating spring 5 between the one end of keeping away from thin wall cover 9 on clamp plate 3 and disk body 1.
When the tool is in actual use, the positioning holes 2 for positioning the shaft shoulders 9-1 of the thin-wall sleeve 9 are respectively formed in the two sides of the disc body 1, so that the tool is suitable for processing the thin-wall sleeves with two shaft shoulder sizes, and the application range is wide; the positioning hole 2 is specially used for positioning a shaft shoulder 9-1 of the thin-wall sleeve 9, the positioning hole 2 is designed to be not more than 0.03mm in clearance dimension and matched with the thin-wall sleeve 9, so that the radial freedom degree of the thin-wall sleeve 9 can be limited, and the thin-wall sleeve 9 is prevented from moving to generate deflection deformation when a grinding wheel is fed, and the processing quality of the thin-wall sleeve 9 is influenced.
It should be noted that, by uniformly distributing the pressing plates 3 for pressing the shaft shoulders 9-1 of the thin-wall sleeve 9 on the disk body 1 along the circumferential direction thereof, and arranging the pressing blocks 3-1 for pressing the shaft shoulders 9-1 at one end of the pressing plates 3 close to the thin-wall sleeve 9, after the locking screws 4 are screwed down, the thin-wall sleeve 9 can be fixed in an end-face locking manner, and the axial degree of freedom of the thin-wall sleeve 9 can be limited.
In this embodiment, when fixing the thin-wall sleeve 9, the floating spring 5 is in a compressed state, and the floating spring 5 is arranged between one end of the pressing plate 3 far away from the thin-wall sleeve 9 and the disk body 1, so that after the thin-wall sleeve 9 is fixed, the floating spring 5 can support one end of the pressing plate 3 far away from the thin-wall sleeve 9, so that the pressing point of the pressing plate 3 on the shaft shoulder 9-1 is uniformly stressed, and a reverse thrust can be given to the locking screw 4, thereby preventing the too large thread gap of the locking screw 4 and the reduction of fastening force caused by long-term use.
In this embodiment, the pressure plate 3 and the thin-wall sleeve 9 are installed on the same side of the tray body 1.
In this embodiment, the number of the pressing plates 3 is three.
During the in-service use, through setting up the quantity with clamp plate 3 into three, can make this clamping frock be similar to a three-jaw chuck, guarantee the clamp force and the stability of this clamping frock.
In this embodiment, the middle of the disk body 1 is provided with a grinding wheel through hole 6, the grinding wheel through hole 6 is a circular hole and is coaxially arranged with the disk body 1, and two ends of the grinding wheel through hole 6 are respectively communicated with the two positioning holes 2.
In this embodiment, the aperture of the grinding wheel through hole 6 is not smaller than the inner diameter of the thin-wall sleeve 9, and the apertures of the two positioning holes 2 are both larger than the aperture of the grinding wheel through hole 6.
During actual use, the aperture of the grinding wheel perforation 6 is not smaller than the inner diameter of the thin-wall sleeve 9, so that a certain working space can be provided for the grinding wheel, and the inner hole of the thin-wall sleeve 9 can be ground in all directions.
As shown in fig. 4 and 5, three screw holes 7 for installing the locking screws 4 are uniformly formed in the tray body 1 along the circumferential direction of the tray body, the screw holes 7 are located at the outer sides of the two positioning holes 2, and one screw hole 7 is formed in the middle of each pressing plate 3.
In this embodiment, each side of the tray body 1 is uniformly provided with three spring mounting holes 8 along the circumferential direction for mounting the floating springs 5.
During actual use, the spring mounting hole 8 is a round blind hole, one end of the floating spring 5 is supported at the bottom of the spring mounting hole 8, and a certain gap exists between the circumferential direction of the floating spring 5 and the hole wall of the spring mounting hole 8.
As shown in fig. 6 and 7, in this embodiment, a guide post 3-2 for guiding a floating spring 5 is disposed on the pressing plate 3, the guide post 3-2 is a cylinder, and the floating spring 5 is sleeved on the guide post 3-2 and extends into the spring mounting hole 8.
In actual use, the diameter of the guide post 3-2 is smaller than the aperture of the spring mounting hole 8, the floating spring 5 can be guided to a certain extent by arranging the guide post 3-2 on the pressing plate 3, and the floating spring 5 is supported between the bottom of the spring mounting hole 8 and the pressing plate 3.
In this embodiment, the pressing plate 3 is further fixed with two limiting blocks 3-3, and the two limiting blocks 3-3 are symmetrically arranged on two sides of the guide pillar 3-2.
When the floating spring is in practical use, the limiting blocks 3-3 are respectively arranged on the two sides of the guide pillar 3-2, so that the distance between one end, far away from the thin-wall sleeve 9, of the pressing plate 3 and the disc body 1 can be limited, and the pressing force of one end, close to the thin-wall sleeve 9, of the pressing plate 3 on the shaft shoulder 9-1 is prevented from being insufficient after the floating spring 5 fails.
In the embodiment, after the thin-wall sleeve 9 is installed, the pressing block 3-1 presses the shaft shoulder 9-1 of the thin-wall sleeve 9, the pressing plate 3 is tightly attached to the end face of the disc body 1, the free end of the guide pillar 3-2 is tightly attached to the bottom of the spring installation hole 8, and the floating spring 5 is in a compressed state and provides an outward counter force for one end of the pressing plate 3, which is far away from the thin-wall sleeve 9, so that the pressing block 3-1 on the pressing plate 3 presses the shaft shoulder 9-1 downwards.
In this embodiment, the two positioning holes 2 have different apertures and are smaller than the diameter of the tray body 1.
During the in-service use, through making the aperture inequality of two locating holes 2, can make this clamping frock be applicable to the thin wall cover of two different shaft shoulder sizes, application scope is extensive, can effectively reduce manufacturing cost, reduces the waste of resource.
The utility model discloses during the in-service use, according to the size of the shaft shoulder 9-1 of waiting to grind thin wall cover 9, arrange the shaft shoulder 9-1 of thin wall cover 9 in a locating hole 2 rather than corresponding, establish floating spring 5 on guide pillar 3-2, stretch into spring mounting hole 8 with the guide pillar 3-2 that the cover was equipped with floating spring 5 in, the direction of adjustment clamp plate 3 makes briquetting 3-1 aim at with shaft shoulder 9-1, fixes clamp plate 3 and disk body 1 through locking screw 4, makes briquetting 3-1 compress tightly shaft shoulder 9-1.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (9)
1. The utility model provides a thin wall cover grinding is with mechanical type clamping frock which characterized in that: including circular shape disk body (1), locating hole (2) that are used for locating shaft shoulder (9-1) of thin wall cover (9) are seted up respectively to the both sides of disk body (1), two locating hole (2) are the round hole and all are coaxial the laying with disk body (1), one side of installing thin wall cover (9) on disk body (1) has clamp plate (3) of a plurality of shaft shoulders (9-1) that are used for compressing tightly thin wall cover (9) along its circumference equipartition, install on disk body (1) clamp plate (3) through locking screw (4), the one end that is close to thin wall cover (9) on clamp plate (3) is provided with briquetting (3-1) that are used for compressing tightly shaft shoulder (9-1), be provided with floating spring (5) between the one end of keeping away from thin wall cover (9) on clamp plate (3) and disk body (1).
2. The thin-wall sleeve grinding mechanical clamping tool according to claim 1, characterized in that: the number of the pressing plates (3) is three.
3. The thin-wall sleeve grinding mechanical clamping tool according to claim 1, characterized in that: the grinding wheel punching device is characterized in that a grinding wheel punching hole (6) is formed in the middle of the disc body (1), the grinding wheel punching hole (6) is a round hole and is coaxially arranged with the disc body (1), and two ends of the grinding wheel punching hole (6) are communicated with the two positioning holes (2) respectively.
4. The thin-wall sleeve grinding mechanical clamping tool according to claim 3, characterized in that: the aperture of the grinding wheel perforation (6) is not smaller than the inner diameter of the thin-wall sleeve (9), and the apertures of the two positioning holes (2) are larger than the aperture of the grinding wheel perforation (6).
5. The thin-wall sleeve grinding mechanical clamping tool according to claim 1, characterized in that: evenly set up three screw hole (7) that supply locking screw (4) to install along its circumference on disk body (1), screw hole (7) are located the outside of two locating holes (2), every screw hole (7) have all been seted up in the middle part of clamp plate (3).
6. The thin-wall sleeve grinding mechanical clamping tool according to claim 1, characterized in that: each side of the tray body (1) is uniformly provided with three spring mounting holes (8) for mounting the floating springs (5) along the circumferential direction.
7. The thin-wall sleeve grinding mechanical clamping tool according to claim 6, characterized in that: the pressing plate (3) is provided with a guide post (3-2) for guiding the floating spring (5), the guide post (3-2) is a cylinder, and the floating spring (5) is sleeved on the guide post (3-2) and extends into the spring mounting hole (8).
8. The thin-wall sleeve grinding mechanical clamping tool according to claim 6, characterized in that: two limiting blocks (3-3) are further fixed on the pressing plate (3), and the two limiting blocks (3-3) are symmetrically arranged on two sides of the guide pillar (3-2).
9. The thin-wall sleeve grinding mechanical clamping tool according to claim 1, characterized in that: the diameters of the two positioning holes (2) are not equal and are both smaller than the diameter of the disc body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318866.8U CN211805178U (en) | 2020-03-13 | 2020-03-13 | Mechanical clamping tool for grinding thin-wall sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020318866.8U CN211805178U (en) | 2020-03-13 | 2020-03-13 | Mechanical clamping tool for grinding thin-wall sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211805178U true CN211805178U (en) | 2020-10-30 |
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ID=73012391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020318866.8U Active CN211805178U (en) | 2020-03-13 | 2020-03-13 | Mechanical clamping tool for grinding thin-wall sleeve |
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| Country | Link |
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| CN (1) | CN211805178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547567A (en) * | 2021-07-16 | 2021-10-26 | 四川省疾病预防控制中心 | Filter membrane cutter |
-
2020
- 2020-03-13 CN CN202020318866.8U patent/CN211805178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547567A (en) * | 2021-07-16 | 2021-10-26 | 四川省疾病预防控制中心 | Filter membrane cutter |
| CN113547567B (en) * | 2021-07-16 | 2022-08-23 | 四川省疾病预防控制中心 | Filter membrane cutter |
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