CN212495460U - Expansion positioning clamp for small workpieces - Google Patents
Expansion positioning clamp for small workpieces Download PDFInfo
- Publication number
- CN212495460U CN212495460U CN202020332603.2U CN202020332603U CN212495460U CN 212495460 U CN212495460 U CN 212495460U CN 202020332603 U CN202020332603 U CN 202020332603U CN 212495460 U CN212495460 U CN 212495460U
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- Prior art keywords
- reaming
- expansion
- small
- support frame
- shaft
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 125000003003 spiro group Chemical group 0.000 claims 3
- 238000007599 discharging Methods 0.000 abstract 2
- 238000005553 drilling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a small workpiece expansion positioning fixture, which comprises an expansion reaming mechanism, a telescopic cylinder and a support frame, wherein the expansion reaming mechanism comprises an expansion shaft sleeve and a reaming shaft, the expansion shaft sleeve is integrally provided with a fixed rod and a clamping platform, the tail end of the fixed rod is provided with a thread and is fixed with the supporting seat in a screwing way, two sides of the supporting seat are fixedly connected with the support frame in a screwing way, the front end of the clamping platform is provided with a boss, the center of the boss is provided with a cross-shaped slotted hole, the front end of the reaming shaft is provided with a cone-shaped reaming pin and is matched with the central hole of the expansion shaft sleeve to slide, so that the four-section clamping platform expands outwards and clamps and positions a small part of a countersunk hole type, the tail end of the reaming shaft is provided with a thread and is fixedly connected with the connecting seat in a screwing way, the small workpiece expansion positioning fixture controls the telescopic sliding between the shaft sleeves by the cylinder, the automatic feeding and discharging device can also be used for mechanically grabbing small workpieces and feeding and discharging materials, and is practical and convenient.
Description
Technical Field
The utility model relates to an automatic change auxiliary assembly technical field, concretely relates to little work piece inflation positioning fixture.
Background
Along with the quick promotion of modern automation technology level, batch, high accuracy production have spread throughout large and medium-sized enterprise, and automation technology is more the trip sword to the production of small-size part and is more abundant, and the line has realized high-efficient production to help producing, and current small-size part is like figure 2, its center is equipped with the countersunk head through-hole, and it needs to carry out the location drilling with both sides ear to produce the line, and traditional technological means utilizes a bench vice or one set of special clamping equipment of customization, and help the drilling machine to implement the location clamping to the part, and current bench vice and special clamping equipment are bulky, and the outfit cost is very high, and clamping speed is not very fast yet, reaches ideal positioning speed, consequently needs to design an appurtenance of the quick location clamping of countersunk head hole class of small-size part to satisfy the technical demand of high-efficient drilling processing in batches or other types.
Disclosure of Invention
The utility model discloses the purpose: in order to solve the problems that the existing bench vice and special clamping equipment in the prior art are large in size and high in equipment cost, the clamping speed of small parts such as countersunk holes is not high, and the technical requirement of ideal positioning speed cannot be met, a small-workpiece expansion positioning fixture is designed, the technical requirement of large-batch high-efficiency drilling machining or other machining production is met, and particularly, a shaft sleeve type expansion hole expanding mechanism is designed, telescopic sliding between shaft sleeves is controlled by using an air cylinder, the part of the small part with the countersunk holes is matched with the sleeves to automatically expand outwards to be positioned and clamped, the small-workpiece expansion hole expanding fixture can be used for mechanically grabbing and loading and unloading small workpieces, and the small-workpiece hole expanding mechanism is practical and convenient.
The technical scheme adopted for solving the problems is as follows:
an expansion positioning fixture for small workpieces comprises an expansion reaming mechanism, a telescopic cylinder and a supporting frame,
the expansion reaming mechanism comprises an expansion shaft sleeve and a reaming shaft, the expansion shaft sleeve is integrally provided with a fixed rod and a clamping table, the tail end of the fixed rod is provided with threads and fixed with a supporting seat in a screwed mode, two sides of the supporting seat are fixedly connected with a supporting frame in a screwed mode, the front end of the clamping table is provided with a boss, a cross-shaped slotted hole is formed in the front end of the clamping table, the depth of the slotted hole extends to the front portion of the fixed rod, the clamping table is divided into four sections uniformly and keeps certain elasticity, the front end of the reaming shaft is provided with a conical reaming pin and slides in a matched mode with a central hole of the expansion shaft sleeve, the four sections of the clamping table expand outwards and clamp and position small parts such as countersunk holes, the tail,
the telescopic cylinder is fixed on the rear side of the support frame, and the cylinder body is fixed with the support frame in a threaded connection mode.
Furthermore, the support frame can be fixed on the workbench and also can be fixed on a robot mechanical arm and used for accurately positioning and grabbing parts.
Furthermore, the clamping table can also be divided into a plurality of sections by the slotted holes, and certain elasticity is kept.
Furthermore, the center hole of the clamping table is provided with a fillet, and the sliding friction resistance is reduced by the taper-shaped reaming pin arranged at the front end of the reaming shaft.
The utility model has the advantages that:
this little work piece inflation positioning fixture utilizes the flexible slip between the cylinder control axle sleeve through the design has the inflation reaming mechanism of axle sleeve type, and the position that has the counter bore with little work piece is tight with the automatic outside inflation location of sleeve cooperation, can also be used to snatch and go up unloading to the machinery of little work piece, and is practical convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of an expansion positioning fixture for small workpieces according to this embodiment;
fig. 2 is a schematic structural diagram of a small component such as a countersunk hole in the embodiment;
fig. 3 is a schematic structural diagram of the expanding and reaming mechanism according to the embodiment;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
the drilling tool comprises 1-a small part of a countersunk hole type, 101-a through hole, 102-the countersunk through hole, 103-a hole to be drilled, 2-a clamping table, 3-a fixed rod, 4-a bolt, 5-a supporting seat, 6-a thread of a reaming shaft, 7-a supporting frame, 8-a telescopic cylinder, 9-an ejector rod, 10-a connecting seat, 11-a thread of the fixed rod, 12-the reaming shaft, 13-a slotted hole, 14-a boss, 15-a conical reaming pin and 16-a fillet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, the present embodiment provides an expanding and positioning fixture for small workpieces, which includes an expanding and reaming mechanism, a telescopic cylinder 8, and a supporting frame 7.
Specifically, the expansion reaming mechanism comprises an expansion shaft sleeve and a reaming shaft 12, the expansion shaft sleeve is integrally provided with a fixing rod 3 and a clamping table 2, the tail end of the fixing rod 3 is provided with a thread 11, is fixed with a supporting seat 5 in a threaded manner, the two sides of the supporting seat 5 are fixedly connected with a supporting frame 7 in a threaded manner, a boss 14 is arranged at the front end of the clamping table 2, a cross-shaped groove hole 13 is arranged from the center, the depth of the groove hole 13 extends to the front part of the fixed rod 3, so that the clamping table 2 is uniformly divided into four sections, and keeps certain elasticity, the front end of the reaming shaft 12 is provided with a conical reaming pin 15 which is matched with a central hole shaft hole of the expansion shaft sleeve to slide, so that the four-section clamping table 2 expands outwards and clamps and positions the small part 1 of the countersunk hole type, the tail end of the reaming shaft 12 is provided with a thread 6, and the telescopic cylinder body is fixedly connected with the connecting seat 10 in a threaded manner, the telescopic cylinder 8 is fixed on the rear side of the support frame 7, and the cylinder body of the telescopic cylinder is fixedly connected with the support frame 7 in a threaded manner.
In a further embodiment, the supporting frame 7 may be fixed on a workbench or a robot arm, and is used for precisely positioning and grabbing parts.
In a further embodiment, the clamping table 2 may also be divided into several segments by the slot 13, and maintain a certain elasticity.
In a further embodiment, a central hole of the clamping table 2 is provided with a fillet 16, and the fillet 16 and a conical reaming pin 15 arranged at the front end of the reaming shaft 12 reduce sliding friction resistance.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a little work piece inflation positioning fixture, includes inflation reaming mechanism, telescopic cylinder and support frame, its characterized in that: the inflation reaming mechanism includes inflation axle sleeve and reaming axle, inflation axle sleeve an organic whole is equipped with dead lever and clamping platform, the dead lever tail end is equipped with the screw thread, and is fixed with the supporting seat spiro union, the supporting seat both sides link firmly with the support frame spiro union, clamping platform front end is equipped with the boss, is equipped with cross slotted hole from the center, and the slotted hole degree of depth extends to the dead lever front portion for the clamping platform is equallyd divide into four sections, and keeps certain elasticity, reaming axle front end is equipped with tapered reaming round pin to slide with the centre bore shaft hole cooperation of inflation axle sleeve, make four sections clamping platform outwards expand and the centre gripping fix a position countersunk head hole class finding, reaming axle tail end is equipped with the screw thread, links firmly with the connecting seat spiro union, telescopic cylinder fixes in the support frame rear side, and the cylinder body is fixed.
2. The small-workpiece expansion positioning fixture as claimed in claim 1, characterized in that: the support frame can be fixed on the workbench and also can be fixed on a mechanical arm of the robot and used for accurately positioning and grabbing parts.
3. The small-workpiece expansion positioning fixture as claimed in claim 1, characterized in that: the clamping table can also be divided into a plurality of sections by the slotted holes, and certain elasticity is kept.
4. The small-workpiece expansion positioning fixture as claimed in claim 1, characterized in that: the center hole of the clamping table is provided with a fillet, and the fillet and a conical reaming pin arranged at the front end of the reaming shaft reduce sliding friction resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332603.2U CN212495460U (en) | 2020-03-17 | 2020-03-17 | Expansion positioning clamp for small workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332603.2U CN212495460U (en) | 2020-03-17 | 2020-03-17 | Expansion positioning clamp for small workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212495460U true CN212495460U (en) | 2021-02-09 |
Family
ID=74441123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020332603.2U Expired - Fee Related CN212495460U (en) | 2020-03-17 | 2020-03-17 | Expansion positioning clamp for small workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212495460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910019A (en) * | 2021-09-24 | 2022-01-11 | 杭州电子科技大学 | Conical optical fiber automatic grinding machine based on cone angle fine adjustment mechanism and grinding method thereof |
-
2020
- 2020-03-17 CN CN202020332603.2U patent/CN212495460U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910019A (en) * | 2021-09-24 | 2022-01-11 | 杭州电子科技大学 | Conical optical fiber automatic grinding machine based on cone angle fine adjustment mechanism and grinding method thereof |
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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: 20210209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |