CN214517780U - Spot-facing cutter for hole closing of reducer box handle of pumping unit - Google Patents
Spot-facing cutter for hole closing of reducer box handle of pumping unit Download PDFInfo
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- CN214517780U CN214517780U CN202023050408.XU CN202023050408U CN214517780U CN 214517780 U CN214517780 U CN 214517780U CN 202023050408 U CN202023050408 U CN 202023050408U CN 214517780 U CN214517780 U CN 214517780U
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- cutter
- reaming
- spot
- pumping unit
- facing cutter
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Abstract
The utility model relates to a counter boring cutter technical field especially relates to a pumping unit reduction case is counter boring cutter for hole closing. Comprises a spot facing cutter bar, a spot facing cutter plate and a fastening bolt. The reaming cutter bar and the reaming cutter plate are fixed through a fastening bolt, blades are welded on two sides of the reaming cutter plate, the two blades are symmetrically distributed about the reaming cutter bar, the blades of the two blades cut simultaneously during reaming, and radial forces are offset. When the spot facing is carried out, the cutting edge of the spot facing cutter plate blade is downward, the spot facing cutter rod is inserted, the cutting edge of the blade is tightly attached to the upper plane, and then the main shaft of the drilling machine rotates forward to finish the spot facing process. And during reverse reaming, the reaming cutter bar penetrates through a hole to be reamed, the cutting edge of the reaming cutter plate blade is upward, the reaming cutter bar is inserted from the lower part, and after the cutting edge of the reaming cutter plate blade is tightly attached to the lower plane, the main shaft of the drilling machine rotates in a positive direction to finish the reaming process. Has the advantage of meeting the requirements of forward reaming and reverse reaming.
Description
Technical Field
The utility model relates to a counter boring cutter technical field especially relates to a pumping unit reduction case is counter boring cutter for hole closing.
Background
The existing spot facing cutter, such as the spot facing cutter disclosed in chinese patent CN201721704177.5, includes: a cutter bar and a white steel bar. The cutter bar is internally of a hollow structure, a square hole is formed in the first end face of the cutter bar, the center line of the square hole forms an angle of 25 degrees with the axis of the cutter bar, an inclined plane is formed in the side face of the cutter bar, and the inclined plane is connected with the first end face. One end of the white steel bar penetrates through the square hole and is positioned in the hollow structure, the other end of the white steel bar is provided with a cutting edge, the cutting edge is exposed out of the square hole, and the cutting edge is perpendicular to the axis of the cutter bar; wherein, the white steel strip is fixed in the cutter arbor through the cooperation that sets up first screw hole on the inclined plane, set up a plurality of second screw holes on the cutter arbor side and a plurality of screws on, can avoid the downthehole wall by the fish tail when carrying out countersink to the hole terminal surface man-hour, promote machining efficiency. But can not meet the requirements of forward reaming and reverse reaming.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem among the prior art, provide a pumping unit reduction case that can satisfy just, two kinds of flat requirements of anti-ream is to the flat cutter of ream for the hole closing.
The technical scheme of the utility model is that:
the utility model provides a pumping unit reduction case is counter boring cutter for closed hole, includes counter boring cutter arbor 1, counter boring cutting board 2 and tightly decides bolt 3, be provided with on the counter boring cutting board 2 about blade 4 of 1 symmetric distribution of counter boring cutter arbor, counter boring cutter arbor 1 with counter boring cutting board 2 passes through tightly decides bolt 3 is fixed. When the spot facing is performed, the blade edge of the spot facing cutter plate 2 is downward, the spot facing cutter bar 1 is inserted, the blade edge of the blade 4 is attached to the upper plane, and the main shaft of the drilling machine rotates forward to complete the spot facing process. When reverse reaming is carried out, the reaming cutter bar 1 penetrates through a hole needing to be reamed, the cutting edge of the blade of the reaming cutter plate 2 is upward, the reaming cutter bar 1 is inserted from the lower part, and after the cutting edge of the blade of the reaming cutter plate 2 is tightly attached to the lower plane, the main shaft of the drilling machine rotates forwards to complete the reaming process. Has the advantage of meeting the requirements of forward reaming and reverse reaming.
As a preferable technical solution, a square groove is arranged on the countersink tool bar 1, and the size of the square groove matches with the size of the countersink tool plate 2. The position of the spot facing cutter plate 2 is ensured not to deviate, and the machining size precision is ensured.
As a preferable technical solution, two blades 4 of the same type are welded on the countersink tool plate 2, and the two blades 4 are symmetrically distributed about the countersink tool bar 1. The cutting edges of the two blades 4 cut simultaneously during spot facing, radial forces are offset, stability is good, machining precision is high, the distance between the tool tips of the two blades 4 is the diameter of the required spot facing, and accuracy and consistency of the spot facing dimension of each hole are guaranteed.
As a preferable technical scheme, one end of the countersink cutter rod 1 is a Morse taper cone. The Morse taper is an international standard of taper and is convenient to match with a main shaft of a drilling machine.
As a preferred technical scheme, the spot facing cutter rod 1 is in clearance fit with a hole of a workpiece of a reducer box of the pumping unit. The positioning and guiding functions are achieved.
As a preferable technical solution, the countersink tool bar 1 is provided with a bearing 5 as a positioning guide mechanism. The bearing inner ring is fixedly connected with the countersink cutter bar 1, and the bearing outer ring is in clearance fit with a hole of a workpiece of a reducer box body of the pumping unit. When the spot facing machine is used for spot facing, the bearing inner ring rotates, the bearing outer ring is fixed, the stability is high, and the inner wall of a hole can be prevented from being scratched.
The beneficial effects of the utility model are that can satisfy just, anti two kinds of ream flat requirements.
Drawings
FIG. 1 is a schematic structural view of the forward reaming flat mode of the present invention;
FIG. 2 is a schematic structural view of the reverse countersink mode of the present invention;
FIG. 3 is a schematic view of the forward facing machining mode of the present invention;
FIG. 4 is a schematic view of the reverse countersinking mode of the present invention;
FIG. 5 is a schematic view of the bearing-containing structure of the present invention;
wherein: 1. the tool comprises a spot facing cutter bar, 2 a spot facing cutter plate, 3 a fastening bolt, 4 a blade, 5 and a bearing.
Detailed Description
In order to make the technical means, technical features, utility model purpose and technological effect of the utility model easily understand and understand, combine specific figure below, further explain the utility model.
The first embodiment is as follows:
as shown in fig. 1 and fig. 2, the forward countersink mode structural schematic diagram and the reverse countersink mode structural schematic diagram of the present invention are illustrated.
A spot-facing cutter for hole closing of a reducer box body of an oil pumping unit comprises a spot-facing cutter bar 1, a spot-facing cutter plate 2 and a fastening bolt 3. The counter boring cutter bar 1 and the counter boring cutter plate 2 are fixed through the fastening bolt 3, the counter boring cutter bar 1 is provided with a square groove, the size of the square groove is matched with the size of the counter boring cutter plate 2, the position of the counter boring cutter plate 2 is guaranteed not to deviate, and the machining size precision is guaranteed.
The end, far away from the counter flat cutting plate 2, of the counter flat cutter bar 1 is a Morse taper cone and is matched with a main shaft of a drilling machine, and the end, close to the counter flat cutting plate 2, of the counter flat cutter bar 1 is in clearance fit with a hole of a workpiece of a reducer box of the pumping unit, so that the guiding and positioning effects are achieved.
Hard alloy blades 4 are welded on two sides of the spot-facing cutter plate 2, the two blades 4 are symmetrically distributed about the spot-facing cutter bar 1, cutting edges of the two blades 4 cut simultaneously during spot facing, radial forces are offset, stability is good, machining precision is high, the distance between the tool tips of the two blades 4 is the diameter of required spot facing, and accuracy and consistency of spot facing size of each hole are guaranteed.
The working process is as follows: as shown in fig. 3 and 4, the forward countersinking mode machining schematic diagram and the reverse countersinking mode machining schematic diagram of the present invention are shown.
Forward reaming flat mode: when the upper plane is reamed, the blade edge of the ream flat cutter plate 2 is downward, the ream flat cutter rod 1 is inserted, after the square groove notch of the ream flat cutter rod 1 is clamped with the ream flat cutter plate 2, the ream flat cutter rod 1 and the ream flat cutter plate 2 are fixed by the fastening bolt 3, the ream flat cutter is integrally installed into a drilling machine spindle, the lower end of the ream flat cutter rod 1 is aligned to a required ream flat hole, and after the blade edge of the blade 4 is tightly attached to the upper plane, the drilling machine spindle rotates forward to complete the ream flat process of each hole in the upper plane.
Reverse countersink mode: the tight setting bolt 3 is loosened, the spot facing cutter bar 2 is taken out, the spot facing cutter bar 1 penetrates through a required spot facing hole, the cutting edge of a blade of the spot facing cutter bar 2 is upward, the spot facing cutter bar 1 is inserted from the lower part, after the square groove notch of the spot facing cutter bar 1 is clamped with the spot facing cutter bar 2, the spot facing cutter bar 1 and the spot facing cutter bar 2 are fixed by the tight setting bolt 3, the spot facing cutter bar 1 is lifted upwards in the forward rotation of a drilling machine spindle, and after the cutting edge of the blade of the spot facing cutter bar 2 is tightly attached to a lower plane, the drilling machine spindle rotates in the forward rotation mode, and the spot facing process is completed.
Example two:
as shown in fig. 5, it is a schematic view of the bearing-containing structure of the present invention. The second embodiment is different from the first embodiment in that: the counter tool bar 1 is provided with a bearing 5 as a positioning guide mechanism. The bearing inner ring is fixedly connected with the countersink cutter bar 1, and the bearing outer ring is in clearance fit with a hole of a workpiece of a reducer box body of the pumping unit.
In summary, the preferred embodiments of the present invention are only described, and the scope of the present invention is not limited thereto. All equivalent changes and modifications made according to the content of the claims of the present invention shall fall within the technical scope of the present invention.
Claims (7)
1. The utility model provides a pumping unit reduction case is facing cutter for closed hole which characterized in that: including flat cutter arbor of ream (1), flat cutting board of ream (2) and tight set bolt (3), be provided with on flat cutting board of ream (2) about blade (4) of flat cutter arbor of ream (1) symmetric distribution, flat cutter arbor of ream (1) with flat cutting board of ream (2) pass through tight set bolt (3) are fixed.
2. The spot-facing cutter for hole closing of the reducer case of the pumping unit according to claim 1, characterized in that: the countersink cutter bar (1) is provided with a square groove, and the size of the square groove is matched with that of the countersink cutter plate (2).
3. The spot-facing cutter for hole closing of the reducer case of the pumping unit according to claim 1, characterized in that: two blades (4) of the same model are welded on the spot facing cutter plate (2), and the two blades (4) are symmetrically distributed on the spot facing cutter bar (1).
4. The spot-facing cutter for hole closing of the reducer case of the pumping unit according to claim 1, characterized in that: one end of the countersink flat cutter bar (1) is a Morse taper cone.
5. The spot-facing cutter for hole closing of the reducer case of the pumping unit according to claim 1, characterized in that: the spot facing cutter bar (1) is in clearance fit with a hole of a reducer box body workpiece of the pumping unit.
6. The spot-facing cutter for hole closing of the reducer case of the pumping unit according to claim 1, characterized in that: and a positioning guide mechanism is arranged on the spot facing cutter bar (1).
7. The spot-facing cutter for hole closing of the reducer case of the pumping unit of claim 6 is characterized in that: the positioning and guiding mechanism is a bearing (5), a bearing inner ring is fixedly connected with the spot facing cutter bar (1), and a bearing outer ring is in clearance fit with a hole of a workpiece of the reducer box body of the pumping unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023050408.XU CN214517780U (en) | 2020-12-17 | 2020-12-17 | Spot-facing cutter for hole closing of reducer box handle of pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023050408.XU CN214517780U (en) | 2020-12-17 | 2020-12-17 | Spot-facing cutter for hole closing of reducer box handle of pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214517780U true CN214517780U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023050408.XU Active CN214517780U (en) | 2020-12-17 | 2020-12-17 | Spot-facing cutter for hole closing of reducer box handle of pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214517780U (en) |
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2020
- 2020-12-17 CN CN202023050408.XU patent/CN214517780U/en active Active
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