CN209830914U - Positioning fixture for machining - Google Patents
Positioning fixture for machining Download PDFInfo
- Publication number
- CN209830914U CN209830914U CN201920658605.8U CN201920658605U CN209830914U CN 209830914 U CN209830914 U CN 209830914U CN 201920658605 U CN201920658605 U CN 201920658605U CN 209830914 U CN209830914 U CN 209830914U
- Authority
- CN
- China
- Prior art keywords
- push rod
- hole
- expansion sleeve
- groove
- conical body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A positioning clamp for machining comprises a push rod, an expansion sleeve, a conical body, a spherical washer, a spherical nut, a connecting disc and a connecting rod, wherein the conical body is provided with a first hole, the push rod is matched with the first hole, the push rod penetrates through the first hole and slides in the first hole, the expansion sleeve is provided with an expansion sleeve inner cavity, the outer side of the conical body is matched with the expansion sleeve inner cavity, the outer side of the conical body is connected with the expansion sleeve inner cavity, the right side of the push rod is provided with a push rod convex ring, the expansion sleeve is provided with a push rod convex ring groove, the push rod convex ring is matched with the push rod convex ring groove, the push rod convex ring is inserted into the push rod convex ring groove, the expansion sleeve is provided with a through hole, the right side of the push rod penetrates through the through hole, the spherical washer is provided with a second hole, the push rod penetrates through the second hole, the push rod slides in the second hole, the expansion sleeve is connected with, the outer side of the push rod is matched with the third hole, and the outer side of the push rod is connected with the third hole through threads.
Description
Technical Field
The utility model relates to a machining field especially relates to a positioning fixture for machining.
Background
In forging and machining of a part having a clamping inner diameter with respect to the inner diameter of a cast part and the shaft center, an expansion sleeve is generally used for clamping the inner diameter of the part, and the clamping force by the expansion sleeve alone is insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to the above-mentioned that prior art exists, provide a rational in infrastructure positioning fixture for machining.
The utility model aims at realizing through the following technical scheme:
a positioning clamp for machining comprises a push rod, an expansion sleeve, a conical body, a spherical washer, a spherical nut, a connecting disc and a connecting rod, wherein the conical body is provided with a first hole, the push rod is matched with the first hole, the push rod penetrates through the first hole and slides in the first hole, the expansion sleeve is provided with an expansion sleeve inner cavity, the outer side of the conical body is matched with the expansion sleeve inner cavity, the outer side of the conical body is connected with the expansion sleeve inner cavity, the right side of the push rod is provided with a push rod convex ring, the expansion sleeve is provided with a push rod convex ring groove, the push rod convex ring is matched with the push rod convex ring groove, the push rod convex ring is inserted into the push rod convex ring groove, the expansion sleeve is provided with a through hole, the right side of the push rod penetrates through the through hole, the spherical washer is provided with a second hole, the push rod penetrates through the second hole, the push rod slides in the second hole, the expansion sleeve is connected with the left side surface, the spherical nut is provided with a third hole, the outer side of the push rod is matched with the third hole, the outer side of the push rod is connected with the third hole through threads, and the axes of the push rod, the expansion sleeve, the conical body, the spherical washer and the spherical nut are overlapped.
The expansion sleeve is provided with a plurality of expansion joints, the left side of the conical body is provided with a conical body side plate, the conical body side plate is provided with a connecting disc groove, the right side of the connecting disc is matched with the connecting disc groove, the right side of the connecting disc is connected with the connecting disc groove, the conical body side plate is connected with the connecting disc through a plurality of bolts, the connecting disc is provided with a connecting rod side plate groove, the right side of the connecting rod is provided with a connecting rod side plate groove, the connecting rod side plate is matched with the connecting rod side plate groove, the connecting rod side plate is connected with the connecting rod side plate groove, the right side of the connecting rod is provided with a push rod inserting rod groove, the left side of the.
Has the advantages that:
the side plate of the conical body is firmly connected with the connecting disc through a plurality of bolts, the push rod passes through the first hole, the push rod supports the conical body and bears the gravity load of the conical body, the outer side of the conical body is connected with the inner cavity of the expanding sleeve, the outer side surface of the conical body is arranged into a conical surface, the push rod passes through the second hole, a gap exists between the second hole and the outer diameter of the push rod, the outer side of the push rod is connected with the third hole through threads, the left side surface of the spherical washer is firmly connected with the expansion sleeve through the threaded connection of the spherical nut and the push rod, the push rod inserted bar is connected with the push rod inserted bar groove through threads, so that the connecting rod is tightly attached to the push rod, the motor drives the connecting rod to make the push rod move to the left side, and then the spherical nut compresses the spherical washer to enable the left side surface of the spherical washer to apply leftward pressure on the expansion sleeve, so that the inside of the expansion sleeve and the outside of the conical body move relatively, a plurality of expansion seams on the expansion sleeve are elastically opened, the outer diameter of the expansion sleeve is enlarged, and parts sleeved on the expansion sleeve are tensioned and fixed.
Drawings
Fig. 1 is a front cross-sectional view of a positioning fixture for machining.
Fig. 2 is the structural schematic diagram of the expansion sleeve of the present invention.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
a positioning fixture for machining comprises a push rod 01, an expansion sleeve 02, a conical body 06, a spherical washer 07, a spherical nut 09, a connecting disc 13 and a connecting rod 18, wherein the conical body 06 is provided with a hole 15, the push rod 01 is matched with the hole 15, the push rod 01 penetrates through the hole 15, the push rod 01 slides in the hole 15, the expansion sleeve 02 is provided with an expansion sleeve inner cavity 03, the outer side of the conical body 06 is matched with the expansion sleeve inner cavity 03, the outer side of the conical body 06 is connected with the expansion sleeve inner cavity 03, the right side of the push rod 01 is provided with a push rod convex ring 23, the expansion sleeve 02 is provided with a push rod convex ring groove 05, the push rod convex ring 23 is matched with the push rod convex ring groove 05, the push rod convex ring 23 is inserted into the push rod convex ring groove 05, the expansion sleeve 02 is provided with a through hole 04, the right side of the push rod 01 penetrates through the through hole 04, the spherical washer 07 is provided with a second hole 11, the push rod, the left side surface of the spherical washer 07 is connected with the expansion sleeve 02, the spherical washer 07 is provided with an arc-shaped groove 08, the left side surface of the spherical nut 09 is matched with the arc-shaped groove 08, the left side surface of the spherical nut 09 is connected with the arc-shaped groove 08, the spherical nut 09 is provided with a third hole 10, the outer side of the push rod 01 is matched with the third hole 10, the outer side of the push rod 01 is connected with the third hole 10 through threads, and the axes of the push rod 01, the expansion sleeve 02, the conical body 06, the spherical washer 07 and the spherical nut 09.
The expansion sleeve 02 is provided with a plurality of expansion seams 22, the left side of the conical body 06 is provided with a conical body side plate 12, the conical body side plate 12 is provided with a connecting disc groove 16, the right side of the connecting disc 13 is matched with the connecting disc groove 16, the right side of the connecting disc 13 is connected with the connecting disc groove 16, the conical body side plate 12 is connected with the connecting disc 13 through a plurality of bolts 14, the connecting disc 13 is provided with a connecting rod side plate groove 17, the right side of a connecting rod 18 is provided with a connecting rod side plate 19, the connecting rod side plate 19 is matched with the connecting rod side plate groove 17, the connecting rod side plate 19 is connected with the connecting rod side plate groove 17, the right side of the connecting rod 18 is provided with a push rod inserting rod groove 20, the left side of a push rod 01 is provided with a push rod.
A side plate 12 of a conical body is firmly connected with a connecting plate 13 through a plurality of bolts 14, a push rod 01 penetrates through a first hole 15, the push rod 01 supports the conical body 06 and bears the gravity load of the conical body 06, the outer side of the conical body 06 is connected with an inner cavity 03 of an expansion sleeve, the outer side of the conical body 06 is provided with a conical surface, the push rod 01 penetrates through a second hole 11, a gap exists between the second hole 11 and the outer diameter of the push rod 01, the outer side of the push rod 01 is connected with a third hole 10 through threads, the left side surface of a spherical washer 07 is firmly connected with the expansion sleeve 02 through the threaded connection of a spherical nut 09 and the push rod 01, a push rod insert rod 21 is connected with a push rod insert rod groove 20 through threads, a connecting rod 18 is tightly attached to the push rod 01, the motor drives the connecting rod 18 to enable the push rod 01 to move leftwards, and further enables the spherical nut 09 to press the spherical washer 07 to, the plurality of expansion joints 22 on the expansion sleeve 02 are elastically expanded, so that the outer diameter of the expansion sleeve 02 is enlarged, and parts sleeved on the expansion sleeve 02 are expanded and fixed.
Claims (2)
1. A positioning clamp for machining is characterized by comprising a push rod, an expansion sleeve, a conical body, a spherical washer, a spherical nut, a connecting disc and a connecting rod, wherein the conical body is provided with a first hole, the push rod is matched with the first hole and penetrates through the first hole, the push rod slides in the first hole, the expansion sleeve is provided with an expansion sleeve inner cavity, the outer side of the conical body is matched with the expansion sleeve inner cavity, the outer side of the conical body is connected with the expansion sleeve inner cavity, the right side of the push rod is provided with a push rod convex ring, the expansion sleeve is provided with a push rod convex ring groove, the push rod convex ring is matched with the push rod convex ring groove, the push rod convex ring is inserted into the push rod convex ring groove, the expansion sleeve is provided with a through hole, the right side of the push rod penetrates through the through hole, the spherical washer is provided with a second hole, the push rod penetrates through the second hole, the push rod slides in the second hole, the, the left side surface of the spherical nut is connected with the arc-shaped groove, the spherical nut is provided with a third hole, the outer side of the push rod is matched with the third hole, the outer side of the push rod is connected with the third hole through threads, and the axes of the push rod, the expansion sleeve, the conical body, the spherical washer and the spherical nut are overlapped.
2. The positioning fixture for machining according to claim 1, wherein a plurality of expansion joints are distributed on the expansion sleeve, a cone-shaped side plate is arranged on the left side of the cone, the cone-shaped side plate is provided with a connecting disc groove, the right side of the connecting disc is matched with the connecting disc groove, the right side of the connecting disc is connected with the connecting disc groove, the cone-shaped side plate is connected with the connecting disc through a plurality of bolts, the connecting disc is provided with a connecting rod side plate groove, a connecting rod side plate is arranged on the right side of the connecting rod and is matched with the connecting rod side plate groove, the connecting rod side plate is connected with the connecting rod side plate groove, a push rod inserting rod groove is arranged on the right side of the connecting rod, a push rod inserting rod is arranged on the left side of the push.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658605.8U CN209830914U (en) | 2019-05-09 | 2019-05-09 | Positioning fixture for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658605.8U CN209830914U (en) | 2019-05-09 | 2019-05-09 | Positioning fixture for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209830914U true CN209830914U (en) | 2019-12-24 |
Family
ID=68916019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920658605.8U Expired - Fee Related CN209830914U (en) | 2019-05-09 | 2019-05-09 | Positioning fixture for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209830914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842952A (en) * | 2020-07-08 | 2020-10-30 | 中航飞机起落架有限责任公司 | Floating expansion mandrel |
-
2019
- 2019-05-09 CN CN201920658605.8U patent/CN209830914U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842952A (en) * | 2020-07-08 | 2020-10-30 | 中航飞机起落架有限责任公司 | Floating expansion mandrel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |