CN213225239U - Tubular workpiece drilling tool - Google Patents
Tubular workpiece drilling tool Download PDFInfo
- Publication number
- CN213225239U CN213225239U CN202021718115.1U CN202021718115U CN213225239U CN 213225239 U CN213225239 U CN 213225239U CN 202021718115 U CN202021718115 U CN 202021718115U CN 213225239 U CN213225239 U CN 213225239U
- Authority
- CN
- China
- Prior art keywords
- positioning block
- locating piece
- support frame
- tubular workpiece
- drill bushing
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 15
- 238000003754 machining Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model relates to a tubular workpiece drilling tool, including support frame, upper locating piece, lower locating piece and two cylinders, two cylinders all are connected at the lower extreme of support frame roof, and the end that stretches out of two cylinder piston rods all connects on upper locating piece, lower locating piece fixed connection is in support frame bottom plate upper end, lower locating piece and upper locating piece be equipped with respectively with the work piece outer cylinder surface matched with semi-arc surface, upper locating piece semi-arc surface both sides are equipped with the recess that is used for the location, be equipped with the projection that matches with the recess of upper locating piece on the lower locating piece, the utility model discloses a double-cylinder step-up structure, convenient operation has improved work efficiency, adopts the semi-arc surface with the work piece outer cylinder surface matched with, can be better hug closely the work piece, avoids the work piece drunkenness, improves the machining; after the clamping, the protrusion of the lower positioning block is clamped into the groove of the upper positioning block, so that the positioning precision is improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of machining equipment and specifically relates to a tubular work piece drilling frock is related to.
Background
In the actual production process, for the machining of mechanical parts, holes are often required to be machined in tubular workpieces, and as cylindrical or round tubular workpieces require large force during clamping, once the workpieces are not clamped tightly, the workpieces are easy to fly out to cause damage to people during drilling, and great potential safety hazards are brought.
In the operation engineering, an operator is difficult to align the drill bit at the position of the workpiece to be machined, the position is often aligned for a long time, the machining time is long, the labor force is large, the drill bit is easy to deviate, the workpiece is damaged, the rejection rate is high, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a circle work piece drilling frock, convenient operation, labour saving and time saving can improve production quality and efficiency.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a tubulose work piece drilling frock, includes: the support frame is provided with a bottom plate, two parallel side plates are vertically connected to the bottom plate, top plates are arranged on the two side plates, and a first drill bushing is arranged in the center of each top plate;
the two cylinders are arranged at the lower end of the top plate of the support frame in parallel;
the upper end of the upper positioning block is fixedly connected with piston rods of the two cylinders, a second drill bushing coaxial with the first drill bushing is arranged between the two piston rods, an upper semicircular arc surface matched with the outer cylindrical surface of the tubular workpiece is arranged at the lower end of the upper positioning block, and grooves for positioning are formed in two sides of the upper semicircular arc surface;
and the lower positioning block is positioned between the two side plates and arranged on the bottom plate, the upper end of the lower positioning block is provided with a lower semi-circular arc surface matched with the outer cylindrical surface of the tubular workpiece relative to the upper positioning block, and two sides of the lower semi-circular arc surface are provided with protrusions matched with the grooves of the upper positioning block.
Furthermore, a first through hole for installing a first drill bushing is formed in the center of the top plate of the support frame, and a second through hole for installing a second drill bushing is formed in the center of the upper end of the upper positioning block.
Further, the first through hole and the second through hole are coaxial.
Furthermore, the first drill bushing and the first through hole are in interference fit, and the second drill bushing and the second through hole are in interference fit.
Furthermore, the upper positioning block and the groove are integrally manufactured; the lower positioning block and the protrusion are integrally formed.
Furthermore, a plurality of mounting holes are formed in the bottom plate of the support frame and located on two sides of the two side plates, and the tool is fixed on the working table.
The utility model discloses the beneficial effect who brings does:
1. the utility model adopts a double-cylinder tightening structure, is convenient to operate, saves time and labor, greatly improves the production efficiency, adopts the upper semi-arc surface and the lower semi-arc surface which are matched with the outer cylindrical surface of the workpiece, can better tightly attach the workpiece, avoids the workpiece from moving and improves the processing precision; the protrusion of the lower positioning block is clamped into the groove of the upper positioning block after being fastened, so that the positioning precision is improved.
2. On the other hand, the double-shaft sleeve structure formed by the first shaft sleeve on the support frame and the second shaft sleeve of the upper positioning block can effectively prevent the drill bit from axially moving, so that the processing precision is further improved, the rejection rate is reduced, and the production quality is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural diagram of the upper end of the positioning block of the present invention.
In the figure, the drilling tool comprises a support frame 1, a support frame 2, an upper positioning block 201, an upper semicircular arc surface 202, a groove 3, a lower positioning block 301, a lower semicircular arc surface 302, a protrusion 4, a cylinder 5, a first drill bushing 6, a second drill bushing 7 and a mounting hole.
Detailed Description
The present invention will be described in further detail with reference to the drawings and specific examples.
As shown in fig. 1-3, a tubular workpiece drilling tool includes: the support frame 1 is provided with a bottom plate, two parallel side plates are vertically connected to the bottom plate, top plates are arranged on the two side plates, and a first drill bushing 5 is arranged in the center of each top plate.
And the two cylinders are arranged at the lower end of the top plate of the support frame 1 in parallel.
The upper end of the upper positioning block 2 is fixedly connected with piston rods of the two cylinders 4, a second drill bushing 6 which is coaxial with the first drill bushing 5 is arranged between the two piston rods, an upper semicircular surface 201 matched with the outer cylindrical surface of the tubular workpiece is arranged at the lower end of the positioning block 2, and grooves 202 for positioning are formed in two sides of the upper semicircular surface 201.
And the lower positioning block 3 is positioned between the two side plates and arranged on the bottom plate, the upper end of the lower positioning block 3 is provided with a lower semi-arc surface 301 matched with the outer cylindrical surface of the tubular workpiece relative to the upper positioning block 2, and two sides of the lower semi-arc surface 301 are provided with protrusions 302 matched with the grooves 202 of the upper positioning block 2.
The center department of 1 roof of support frame is equipped with the first through-hole that is used for installing first drill bushing 5, go up 2 upper ends centers of locating piece department and be equipped with the second through-hole that is used for installing second drill bushing 6, first through-hole and second through-hole are coaxial, first drill bushing 5 is interference fit with first through-hole, second drill bushing 6 is interference fit with the second through-hole.
The upper positioning block 2 and the groove 202 are integrally formed, and the lower positioning block 3 and the protrusion 302 are integrally formed.
A plurality of mounting holes 7 are formed in the bottom plate of the support frame 1 and located on the outer sides of the two side plates, and the tool is fixed on the working table.
The working process is as follows: through a plurality of mounting holes 7, will the frock is installed on table surface, will treat the tubulose work piece of processing afterwards and put into lower locating piece 3, make the work piece treat the processing position and be located under second drill bushing 6, open cylinder 4, go up locating piece 2 and lower locating piece 3 and step up, the protruding 302 card of lower locating piece 3 is gone into the recess 202 of last locating piece 2, the work piece is stepped up completely, open the rig, the drill bit passes support frame 1 first drill bushing 5 and last locating piece 2 second drill bushing 6, begin to process the work piece, after the processing is accomplished, the drill bit withdraws from the frock, close cylinder 4, go up locating piece 2 rebound, take out the work piece after the processing is accomplished.
The double-cylinder 4 clamping structure is adopted, the operation is convenient, the time and the labor are saved, the working efficiency is greatly improved, the upper semi-arc surface 201 and the lower semi-arc surface 301 which are matched with the outer cylindrical surface of the tubular workpiece are adopted, the workpiece can be better attached, the workpiece is prevented from moving, and the machining precision is improved; after the clamping, the protrusion 302 of the lower positioning block 3 is clamped into the groove 202 of the upper positioning block 2, so that the positioning precision is improved.
The double-drill-sleeve structure consisting of the first drill sleeve 5 on the top plate of the support frame 1 and the second drill sleeve 6 on the upper positioning block 2 can effectively prevent the drill bit from axially moving, thereby further improving the processing precision, reducing the rejection rate and improving the product quality.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (6)
1. The utility model provides a tubulose work piece drilling frock which characterized in that includes: the support frame (1) is provided with a bottom plate, two parallel side plates are vertically connected to the bottom plate, a top plate is arranged on the two side plates, and a first drill bushing (5) is arranged at the center of the top plate;
the two cylinders (4) are arranged at the lower end of the top plate of the support frame (1) in parallel;
the upper end of the upper positioning block (2) is fixedly connected with piston rods of the two cylinders (4), a second drill bushing (6) coaxial with the first drill bushing (5) is arranged between the two piston rods, an upper semicircular arc surface (201) matched with the outer cylindrical surface of the tubular workpiece is arranged at the lower end of the upper positioning block (2), and grooves (202) for positioning are formed in two sides of the upper semicircular arc surface (201);
the lower positioning block (3) is positioned between the two side plates and arranged on the bottom plate, a lower semicircular arc surface (301) matched with the outer cylindrical surface of the tubular workpiece is arranged at the upper end of the lower positioning block (3) relative to the upper positioning block (2), and protrusions (302) matched with the grooves (202) of the upper positioning block (2) are arranged on two sides of the lower semicircular arc surface (301).
2. The tubular workpiece drilling tool according to claim 1, characterized in that: the center department of support frame (1) roof is equipped with the first through-hole that is used for installing first drill bushing (5), go up locating piece (2) upper end center department and be equipped with the second through-hole that is used for installing second drill bushing (6).
3. The tubular workpiece drilling tool according to claim 2, characterized in that: the first through hole and the second through hole are coaxial.
4. The tubular workpiece drilling tool according to claim 2, characterized in that: the first drill bushing (5) is in interference fit with the first through hole, and the second drill bushing (6) is in interference fit with the second through hole.
5. The tubular workpiece drilling tool according to claim 1, characterized in that: the upper positioning block (2) and the groove (202) are integrally manufactured; the lower positioning block (3) and the protrusion (302) are integrally manufactured.
6. The tubular workpiece drilling tool according to claim 1, characterized in that: a plurality of mounting holes (7) are formed in the bottom plate of the support frame (1) and located on the outer sides of the two side plates, and the tool is fixed on the working table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718115.1U CN213225239U (en) | 2020-08-18 | 2020-08-18 | Tubular workpiece drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718115.1U CN213225239U (en) | 2020-08-18 | 2020-08-18 | Tubular workpiece drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213225239U true CN213225239U (en) | 2021-05-18 |
Family
ID=75895804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021718115.1U Expired - Fee Related CN213225239U (en) | 2020-08-18 | 2020-08-18 | Tubular workpiece drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213225239U (en) |
-
2020
- 2020-08-18 CN CN202021718115.1U patent/CN213225239U/en not_active Expired - Fee Related
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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: 20210518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |