CN213794408U - All-side drilling tool - Google Patents
All-side drilling tool Download PDFInfo
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- CN213794408U CN213794408U CN202022192658.0U CN202022192658U CN213794408U CN 213794408 U CN213794408 U CN 213794408U CN 202022192658 U CN202022192658 U CN 202022192658U CN 213794408 U CN213794408 U CN 213794408U
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Abstract
The embodiment of the utility model provides a drilling tool for the peripheral sides, which comprises a base, roller assemblies, a tool frame and positioning pins, wherein a roller is respectively arranged above the left side and the right side of the base, and the tool frame is fixedly connected above the front end of the base; the front ends of the rollers are provided with shaft shoulders, the annular workpiece to be machined is arranged above the two rollers, the outer cylindrical surface of the annular workpiece to be machined is tangent to the outer cylindrical surfaces of the two rollers, and the front end face of the annular workpiece to be machined is limited by the tool frame and the rear end face of the shaft shoulders; the upper limiting plate is provided with a tool hole, the distance between the axis of the tool hole and the rear end face of the tool frame is consistent with the distance between the axis of the tool hole and the front end face of the annular workpiece to be processed, the angle alpha is consistent with the included angle between two adjacent holes to be processed on the annular workpiece to be processed, and the positioning pin is inserted into the second tool hole. The utility model can accurately position the annular workpiece to be processed, and the drilled holes are uniformly distributed and not inclined; the roller supports the annular workpiece to be processed, and can rotate freely, so that the operation is convenient.
Description
Technical Field
The utility model relates to a machinery processing technology field, concretely relates to week side drilling frock.
Background
The traditional processing method of a plurality of through holes distributed along the circumference of an annular workpiece is to adopt a turning rule to mark the distance of the opposite end surfaces, adopt a tape measure to measure the outer circumference, equally divide and mark according to the number of drilled holes, find intersection points, adopt a rocker drill to drill the intersection points, easily deflect the drilled holes, and have difficult hole-drilling transposition of the workpiece and low position precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the drilling incline, the work piece drilling transposition difficulty, the not high problem of position precision provides a week side drilling frock.
In order to solve the above technical problem, an embodiment of the present invention provides the following solutions:
a peripheral drilling tool comprises a base, roller assemblies, a tool frame and positioning pins, wherein each roller assembly comprises two parallel rollers, one roller is arranged above each of the left side and the right side of the base, the end parts of the rollers are rotatably supported above the base through supporting seats, the tool frame is fixedly connected above the front end of the base, and an upper limiting plate is fixedly connected behind the upper end of the tool frame;
the front ends of the rollers are provided with shaft shoulders, the rear end face of the tool frame is coplanar with the rear end face of the shaft shoulders, the annular workpiece to be machined is arranged above the two rollers, the outer cylindrical surface of the annular workpiece to be machined is tangent to the outer cylindrical surfaces of the two rollers, and the front end face of the annular workpiece to be machined is limited by the rear end face of the tool frame;
the upper limiting plate is provided with a first tool hole and a second tool hole which are spaced at an angle alpha along the circumferential direction, the distance between the axis of the first tool hole and the axis of the second tool hole and the rear end face of the tool frame is consistent with the distance between the axis of the to-be-drilled hole and the front end face of the to-be-machined annular workpiece, the angle alpha is consistent with the included angle between two adjacent to-be-drilled holes in the to-be-machined annular workpiece, and the positioning pin is inserted into the second tool hole.
The supporting seat comprises a bearing seat, a bearing and a gland, the lower end of the bearing seat is fixedly connected with the base, a bearing mounting hole is formed in the bearing seat, the bearing is mounted in the bearing mounting hole, the end part of the roller is fixedly connected with the inner ring of the bearing in a coaxial mode, and the gland is arranged on the outer side of the bearing and fixedly connected with the bearing seat.
Preferably, the tool frame is an inverted U-shaped frame, the lower end of the U-shaped frame is fixedly connected with the base, the upper end of the U-shaped frame is a semicircular arc frame concentric with the annular workpiece to be machined, and the annular workpiece to be machined is limited by the rear end face of the semicircular arc frame.
Wherein, first frock hole site is located the top of frock frame.
Furthermore, a first drill bushing is coaxially embedded in the first tool hole, and a second drill bushing is coaxially embedded in the second tool hole.
The above technical scheme of the utility model at least include following beneficial effect: the utility model can accurately position the annular workpiece to be processed, and the drilled holes are uniformly distributed and not inclined; the roller supports the annular workpiece to be processed, and can rotate freely, so that the operation is convenient.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention.
Description of reference numerals:
1. a base; 2. a roller assembly; 21. a bearing seat; 22. a bearing; 23. a gland; 24. a roller; 241. A shaft shoulder; 242. a first tooling hole; 243. a second tooling hole; 3. an annular workpiece to be processed; 4. a tooling frame; 5. a first drill bushing; 6. positioning pins; 7. a second drill bushing.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1 and 2, the embodiment of the utility model provides a week side drilling frock, including base 1, roller subassembly 2, frock frame 4 and locating pin 6, roller subassembly 2 includes the running roller 24 of two parallels, base 1's the left and right sides top respectively is equipped with a running roller 24, the tip of running roller 24 passes through the supporting seat and rotates the top of supporting in base 1, the supporting seat includes bearing frame 21, bearing 22 and gland 23, the lower extreme and the base 1 fixed connection of bearing frame 21, be equipped with the bearing mounting hole on the bearing frame 21, bearing 22 installs in the bearing mounting hole, the tip and the coaxial rigid coupling of bearing 22 inner circle of running roller 24, gland 23 lid locate the bearing 22 outside and with bearing frame 21 fixed connection.
The fixture comprises a base 1 and is characterized in that a fixture frame 4 is fixedly connected to the upper portion of the front end of the base 1, and an upper limiting plate is fixedly connected to the rear portion of the upper end of the fixture frame 4.
The front end of running roller 24 is equipped with shaft shoulder 241, the rear end face of frock frame 4 and the rear end face coplane of shaft shoulder 241, wait to process annular work piece 3 and arrange two running rollers 24 top in and wait to process the outer cylinder of annular work piece 3 and tangent with the outer cylinder of two running rollers 24, the preceding terminal surface of waiting to process annular work piece 3 is spacing by the rear end face of frock frame 4.
The upper limiting plate 241 is provided with a first tool hole 242 and a second tool hole 243 which are spaced at an angle alpha along the circumferential direction, the first tool hole 242 is located at the top end of the upper limiting plate 241, the first tool hole 242 is internally and coaxially embedded with a first drill sleeve 5, and the second tool hole 243 is internally and coaxially embedded with a second drill sleeve 7.
The distance between the axis of the first tool hole 242 and the axis of the second tool hole 243 and the rear end face of the tool frame 4 is consistent with the distance between the axis of the to-be-drilled hole and the front end face of the to-be-machined annular workpiece 3, the included angle between the angle alpha and the two adjacent to-be-drilled holes in the to-be-machined annular workpiece 3 is consistent, and the positioning pin 6 is inserted into the second tool hole 243.
In this embodiment, the tool frame 4 is an inverted U-shaped frame, the lower end of the U-shaped frame is fixedly connected to the base 1, the upper end of the U-shaped frame is a semicircular arc frame concentric with the annular workpiece 3 to be processed, and the annular workpiece 3 to be processed is limited by the rear end face of the semicircular arc frame.
The utility model discloses a theory of operation does: the bearings are arranged at two ends of the roller, and the annular workpiece to be processed is easy to rotate and adjust the position. Before machining, an annular workpiece to be machined is placed on the two rollers at the position A in the figure 2, the annular workpiece to be machined is pushed forwards to the position B in the figure 2 tightly attached to the shaft shoulders of the rollers, the annular workpiece to be machined is stable and reliable under the support of the two rollers, the rocker arm drill is started to drill a hole, after a first hole is drilled, the annular workpiece to be machined is rotated to enable the hole to be drilled to the corresponding position of the first drill bushing, the positioning pin is inserted, a second hole is drilled, and all holes are drilled sequentially.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A peripheral drilling tool is characterized by comprising a base, roller assemblies, a tool frame and positioning pins, wherein each roller assembly comprises two parallel rollers, one roller is arranged above each of the left side and the right side of the base, the end parts of the rollers are rotatably supported above the base through supporting seats, the tool frame is fixedly connected above the front end of the base, and an upper limiting plate is fixedly connected behind the upper end of the tool frame;
the front ends of the rollers are provided with shaft shoulders, the rear end face of the tool frame is coplanar with the rear end face of the shaft shoulders, the annular workpiece to be machined is arranged above the two rollers, the outer cylindrical surface of the annular workpiece to be machined is tangent to the outer cylindrical surfaces of the two rollers, and the front end face of the annular workpiece to be machined is limited by the rear end face of the tool frame;
the upper limiting plate is provided with a first tool hole and a second tool hole which are spaced at an angle alpha along the circumferential direction, the distance between the axis of the first tool hole and the axis of the second tool hole and the rear end face of the tool frame is consistent with the distance between the axis of the to-be-drilled hole and the front end face of the to-be-machined annular workpiece, the angle alpha is consistent with the included angle between two adjacent to-be-drilled holes in the to-be-machined annular workpiece, and the positioning pin is inserted into the second tool hole.
2. The peripheral drilling tool according to claim 1, wherein the supporting seat comprises a bearing seat, a bearing and a gland, the lower end of the bearing seat is fixedly connected with the base, the bearing seat is provided with a bearing mounting hole, the bearing is mounted in the bearing mounting hole, the end of the roller is coaxially and fixedly connected with the inner ring of the bearing, and the gland is arranged outside the bearing and fixedly connected with the bearing seat.
3. The peripheral side drilling tool according to claim 1, wherein the tool frame is an inverted U-shaped frame, the lower end of the U-shaped frame is fixedly connected with the base, the upper end of the U-shaped frame is a semicircular arc frame concentric with the annular workpiece to be machined, and the annular workpiece to be machined is limited by the rear end face of the semicircular arc frame.
4. The peripheral side drilling tool of claim 1, wherein the first tool hole is located at the top end of the tool frame.
5. The peripheral side drilling tool according to claim 1 or 4, wherein a first drill bushing is coaxially embedded in the first tool hole.
6. The peripheral side drilling tool according to claim 1, wherein a second drill bushing is coaxially embedded in the second tool hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022192658.0U CN213794408U (en) | 2020-09-27 | 2020-09-27 | All-side drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022192658.0U CN213794408U (en) | 2020-09-27 | 2020-09-27 | All-side drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213794408U true CN213794408U (en) | 2021-07-27 |
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ID=76956365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022192658.0U Active CN213794408U (en) | 2020-09-27 | 2020-09-27 | All-side drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213794408U (en) |
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2020
- 2020-09-27 CN CN202022192658.0U patent/CN213794408U/en active Active
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