CN219561655U - Scraper device for deep hole chamfering - Google Patents
Scraper device for deep hole chamfering Download PDFInfo
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- CN219561655U CN219561655U CN202320599315.7U CN202320599315U CN219561655U CN 219561655 U CN219561655 U CN 219561655U CN 202320599315 U CN202320599315 U CN 202320599315U CN 219561655 U CN219561655 U CN 219561655U
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- scraper
- adjusting
- main shaft
- deep hole
- hinged
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a scraper device for deep hole chamfering, which comprises a main shaft, wherein one end of the main shaft is hinged with a scraper, an adjusting component is also arranged on the main shaft in a sliding manner, and one end of the adjusting component is hinged with the free end of the scraper; simultaneously, a locking component is also arranged on the main shaft and is connected with the adjusting component; when the scraper device is used, the position of the scraper is controlled by the adjusting component, the volume of the whole scraper device is reduced by recycling the scraper, the scraper device is ensured to be mounted at a processing point, and then the scraper is arranged at the processing point in an unfolding mode, so that the processing of a hole to be processed with small aperture and large depth is realized; meanwhile, the device has the advantages of simple structure, convenient operation and the like.
Description
Technical Field
The utility model relates to the technical field of machining tool equipment, in particular to a scraper device for deep hole chamfering.
Background
In the field of machining, a cavity is a relatively common structure, such as a reactor cylinder body, a camshaft, a crankshaft, a piston pin in a diesel engine, a hydraulic valve in a hydraulic system and the like, and a large number of mounting holes are usually arranged in the cavity structure, the edges and corners of the mounting holes belong to stress concentration areas, and if machining stress is eliminated without chamfering, the cylinder body is extremely easy to generate stress cracks in the use process, so that a product is invalid.
However, due to structural limitation, the hole diameter and the length of the mounting hole are different, and chamfering can be manually polished for the through hole with larger hole diameter and shorter length; however, the hole diameter is smaller, the length is larger, and the conventional tool and method are difficult to reach the machining point, so that the stress concentration area is machined.
Disclosure of Invention
The utility model mainly aims to provide a scraper device for deep hole chamfering and aims to overcome the defect of high processing difficulty in the prior art.
The utility model achieves the above object by the following technical scheme;
a scraper device for deep hole chamfering processing comprises a main shaft;
one side of the scraper is hinged with the main shaft;
the adjusting component is connected with the main shaft in a sliding way, one end of the adjusting component is hinged with the scraper, and the scraper is controlled to retract or extend to a preset station;
the locking assembly is arranged on the main shaft in a sliding mode, and the adjusting assembly is connected with the locking assembly and is fixed at a preset station.
Optionally, the adjusting assembly comprises a mandrel and an adjusting connecting rod, and the mandrel is slidably connected with the main shaft; one end of the adjusting connecting rod is hinged with the mandrel, and the other end of the adjusting connecting rod is hinged with the scraper.
Optionally, two sets of scrapers are arranged, and two sets of adjusting connecting rods are also arranged; one end of each of the two adjusting connecting rods is hinged with the mandrel, and the other end of each of the two adjusting connecting rods is hinged with the two scrapers.
Optionally, the main shaft is further provided with a plurality of support assemblies for fixing the main shaft in the hole to be machined.
Optionally, the supporting component comprises a supporting rod and a cushion block, one end of the supporting rod is connected with the main shaft through threads, and the other end of the supporting rod is connected with the cushion block.
Optionally, the locking assembly includes a locking lever, a first adjusting slot and a second adjusting slot, the first adjusting slot and the second adjusting slot are disposed on the spindle; the locking rod is connected with the mandrel, two ends of the locking rod respectively penetrate through the first adjusting groove and the second adjusting groove, and fastening nuts are arranged at two ends of the locking rod.
Optionally, the first adjusting groove and the second adjusting groove are stepped grooves, and the fastening nut is abutted against the stepped surface in a fitting way.
Optionally, a dial is arranged in the first adjusting groove or the second adjusting groove, and a pointer is arranged on the locking rod.
Optionally, one end of the main shaft is further provided with a rotating hand wheel.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model comprises a main shaft, wherein one end of the main shaft is hinged with a scraper, an adjusting component is also arranged on the main shaft in a sliding manner, and one end of the adjusting component is hinged with the free end of the scraper; simultaneously, a locking component is also arranged on the main shaft and is connected with the adjusting component;
when the scraper is used, the locking component firstly locks the adjusting component, then the adjusting component is slid, the scraper is retracted through the adjusting component until the projection of the main shaft completely covers the projection of the scraper in the vertical direction;
then inserting the adjusted scraper device into a hole to be machined, enabling the scraper to completely penetrate through the hole to be machined, sliding the adjusting component to enable the scraper to extend out of the main shaft, namely, extending out of the circumferential surface of the main shaft along the radial direction, locking the adjusting component through the locking component, finally adjusting the position of the main shaft to enable the scraper to be attached to the corner of the hole to be machined, and enabling the main shaft to rotate to drive the scraper to rotate so as to cut the corner of the hole to be machined, so that a stress concentration area is taken out;
compared with the prior art, the utility model adjusts the appearance structure of the whole scraper device by controlling the position of the scraper, thereby reducing the volume of the whole device, ensuring that the whole device can be smoothly inserted into a small hole to be processed, realizing the contact between a cutter and a point to be processed in a spreading mode, solving the defect that the edge angle of the small hole to be processed is difficult to process, greatly improving the processing quality of a deep hole and avoiding the occurrence of stress concentration areas.
Drawings
Fig. 1 is a schematic structural view of a doctor apparatus for deep hole chamfering according to embodiment 1 of the present utility model;
fig. 2 is a working state diagram of a doctor apparatus for deep hole chamfering according to embodiment 1 of the present utility model;
fig. 3 is a schematic side view of a doctor apparatus for deep hole chamfering according to embodiment 1 of the present utility model;
FIG. 4 is a schematic view of a locking assembly;
reference numerals: the device comprises a main shaft 1, a scraper 2, a core shaft 3, an adjusting connecting rod 4, a supporting rod 5, a cushion block 6, a locking rod 7, a first adjusting groove 8, a second adjusting groove 9, a fastening nut 10, a dial 11, a pointer 12 and a rotary hand wheel 13.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Description of the embodiments
Referring to fig. 1 to 4, this embodiment, which is an alternative embodiment of the present utility model, discloses a doctor apparatus for deep hole chamfering, comprising a main shaft 1, the main shaft 1 having a cylindrical structure; an adjusting cavity is arranged on the main shaft 1;
the scraper 2 device further comprises a scraper 2 and an adjusting component, wherein the adjusting component comprises a mandrel 3 and an adjusting connecting rod 4, the mandrel 3 is inserted into the adjusting cavity in a sliding mode, one end of the mandrel 3 is hinged to the adjusting connecting rod 4 through a pin shaft, the other end of the adjusting connecting rod 4 is hinged to one end of the scraper 2 through a pin shaft, and the other end of the scraper 2 is hinged to the main shaft 1 through a pin shaft;
because the mandrel 3, the adjusting connecting rod 4 and the scraper 2 are both in a hinged structure, the adjusting connecting rod 4 rotates around a pin shaft connected with the mandrel 3 through the adjusting connecting rod 4 in the sliding process of the mandrel 3, and then the scraper 2 is driven to rotate around the pin shaft connected with the main shaft 1, so that the scraper 2 is controlled to retract into the inner side of the outer peripheral surface of the main shaft 1 or extend out of the outer peripheral surface of the main shaft 1;
meanwhile, compared with the prior art, the structure realizes the random adjustment of the position of the scraper 2, thereby meeting the processing requirements of a plurality of chamfer angles; and the position of the scraper 2 can be controlled to meet the processing requirements of holes to be processed with different apertures, so that the use of the cutter is greatly expanded.
The two scrapers 2 and the two adjusting connecting rods 4 are respectively provided with two, the two scrapers 2 are correspondingly hinged with the two adjusting connecting rods 4 one by one, the two scrapers 2 are respectively connected with the spindle 1, the two adjusting connecting rods 4 are respectively connected with the spindle 3, and the two scrapers 2 are symmetrically distributed according to an included angle of 180 degrees;
by arranging the two scrapers 2, the machining efficiency can be improved, the abrasion of the cutters can be reduced, meanwhile, the two cutters can be complemented, burrs generated in the machining process can be scraped, and the machining quality can be improved;
the scraper 2 device further comprises a locking assembly, the locking assembly comprises a locking rod 7, a first adjusting groove 8 and a second adjusting groove 9, wherein the first adjusting groove 8 and the second adjusting groove 9 are stepped grooves, the first adjusting groove 8 and the second adjusting groove 9 are symmetrically arranged on two sides of the main shaft 1 and are respectively communicated with the adjusting cavity, one end of the locking rod penetrates through the first adjusting groove 8 and the second adjusting groove 9 and extends out of the second adjusting groove 9, the locking rod 7 is connected with the mandrel 3, fastening nuts 10 are respectively arranged at two ends of the locking rod 7, and the two fastening nuts 10 are respectively abutted against the stepped surfaces of the first adjusting groove 8 and the second adjusting groove 9;
a dial 11 is further arranged in the second regulating groove 9, and a pointer 12 is arranged on the locking rod 7; the pointer 12 can be used for realizing accurate control of the moving distance of the mandrel 3 through the matching of the dial 11;
in use, the fastening nut 10 in the second adjusting groove 9 is loosened, so that the locking component is unlocked to the adjusting component; simultaneously, the adjusting component can be fixed by tightening the fastening nut 10; meanwhile, as the locking rod extends out of the second adjusting groove 9, the mandrel 3 can be pushed to slide by pulling the locking rod, and the equipment is more convenient to operate.
The scraper 2 device further comprises a supporting component, the supporting component comprises a plurality of groups of supporting rods 5 and cushion blocks 6, one end of each supporting rod 5 is connected with the main shaft 1 in a threaded manner, and the other end of each supporting rod is connected with each cushion block 6; the supporting component can provide support for the scraper 2 component on one hand and ensure the stability of the scraper 2 component; on the other hand, the main shaft 1 can be prevented from directly contacting the inner wall of the hole to be processed, so that the inner wall of the hole to be processed is prevented from being scratched in the rotating process, and the protection force of the hole to be processed is improved;
meanwhile, the extending length of the cushion block 6 can be adjusted through the threaded connection structure, so that different use requirements are met;
it should be noted that, in the use process, the cushion block 6 is in clearance fit with the inner wall of the hole to be processed, so that excessive friction force caused by too tight abutting of the cushion block 6 on the inner wall of the hole to be processed is avoided, and the difficulty of equipment rotation is reduced; meanwhile, the position of each supporting rod 5 is adjusted through vernier caliper and other equipment, so that the adjusting precision is ensured;
meanwhile, the device only needs to realize the cutting processing of the edge angle of the hole to be processed, so that even if the axis of the main shaft deviates from the axis of the hole to be processed, the deviation is within an allowable range.
One end of the main shaft 1 is further provided with a rotating hand wheel 13, the rotating difficulty of the main shaft 1 can be greatly reduced through the rotating hand wheel 13, and the equipment is more convenient to use.
Correspondingly, the embodiment also discloses a using method of the scraper device, which comprises the following steps:
s1, determining the extension length of the supporting rod according to the aperture size of a hole to be processed, and simultaneously, adjusting the position of the adjusting cushion block by rotating the supporting rod, and measuring whether the adjusting cushion block is adjusted in place or not by a vernier caliper;
s2, unlocking the locking function of the locking assembly on the adjusting assembly by loosening the fastening nut, and driving the mandrel to slide in the main shaft by stirring the locking rod, so that the scraper is retracted until the projection of the main shaft completely covers the projection of the scraper along the axial direction of the main shaft; locking the adjusting component by screwing the fixing nut;
s3, inserting a scraper device into the hole to be processed, and enabling the scraper to completely penetrate through the hole to be processed and be positioned at the other end of the hole to be processed;
s4, unlocking the locking function of the locking assembly on the adjusting assembly by loosening the fastening nut, driving the mandrel to slide in the main shaft by stirring the locking rod, and driving the scraper to rotate around a pin shaft at one end hinged with the main shaft, so as to spread the scraper, and enabling one end, connected with the adjusting connecting rod, of the scraper to extend out of the outer circular surface of the main shaft, namely, enabling part of projection of the scraper to be located outside of the projection of the main shaft along the axial direction of the main shaft; meanwhile, whether the sliding quantity of the mandrel meets the requirement or not is observed through the pointer and the dial; locking the adjusting component by screwing the fixing nut;
s5, pulling the main shaft to enable the scraper to be attached to the edge to be machined of the hole to be machined, and then rotating the main shaft through rotating the hand wheel to drive the scraper to rotate so as to finish the cutting machining of the edge;
s6, after finishing processing, loosening the locking assembly and recycling the scraper to realize recycling of the scraper device.
Compared with the prior art, the utility model can realize the extension and recovery of the scraper through a simple link mechanism and sliding movement, thereby installing the whole scraper device to a processing point position and further realizing the processing of a hole to be processed;
meanwhile, compared with the prior art, the structure realizes the random adjustment of the position of the scraper, thereby meeting the processing requirements of a plurality of chamfers; and the position of the scraper can be controlled to meet the processing requirements of holes to be processed with different apertures, so that the use of the cutter is greatly expanded.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (9)
1. A scraper device for deep hole chamfering, characterized by comprising a main shaft (1);
the scraper (2) is hinged with the main shaft (1) at one side of the scraper (2);
the adjusting component is connected with the main shaft (1) in a sliding way, one end of the adjusting component is hinged with the scraper (2) and controls the scraper (2) to retract or extend to a preset station;
the locking component is arranged on the main shaft (1) in a sliding mode, and the adjusting component is connected with the locking component and is fixed at a preset station.
2. A doctor apparatus for deep hole chamfering process according to claim 1, characterized in that the adjusting assembly comprises a spindle (3) and an adjusting link (4), the spindle (3) being slidingly connected with the spindle (1); one end of the adjusting connecting rod (4) is hinged with the mandrel (3), and the other end of the adjusting connecting rod is hinged with the scraper (2).
3. A doctor apparatus for deep hole chamfering process according to claim 2, characterized in that the doctor (2) is provided with two sets in total, the adjusting link (4) being provided with two sets as well; one end of each of the two adjusting connecting rods (4) is hinged with the corresponding mandrel (3), and the other end of each of the two adjusting connecting rods is hinged with the corresponding scraper (2).
4. A doctor apparatus for deep hole chamfering process according to claim 1, characterized in that the main shaft (1) is further provided with several support members for fixing the main shaft (1) in the hole to be processed.
5. A doctor apparatus for deep hole chamfering process according to claim 4, characterized in that the supporting assembly comprises a supporting rod (5) and a spacer block (6), one end of the supporting rod (5) is screwed to the main shaft (1), and the other end is connected to the spacer block (6).
6. A doctor apparatus for deep hole chamfering process according to claim 2, characterized in that the locking assembly comprises a locking lever (7), a first adjustment slot (8) and a second adjustment slot (9), the first adjustment slot (8) and the second adjustment slot (9) being provided on the spindle (1); the locking rod (7) is connected with the mandrel (3), two ends of the locking rod (7) respectively penetrate through the first adjusting groove (8) and the second adjusting groove (9), and fastening nuts (10) are arranged at two ends of the locking rod (7).
7. Doctor apparatus for deep hole chamfering process according to claim 6, characterized in that the first adjusting groove (8) and the second adjusting groove (9) are stepped grooves, and the fastening nut (10) is abutted against the stepped surface.
8. Doctor apparatus for deep hole chamfering process according to claim 7, characterized in that a dial (11) is provided in the first adjusting groove (8) or the second adjusting groove (9), and a pointer (12) is provided on the locking lever (7).
9. A doctor apparatus for deep hole chamfering process according to claim 1, characterized in that the main shaft (1) is further provided with a turning hand wheel (13) at one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320599315.7U CN219561655U (en) | 2023-03-24 | 2023-03-24 | Scraper device for deep hole chamfering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320599315.7U CN219561655U (en) | 2023-03-24 | 2023-03-24 | Scraper device for deep hole chamfering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219561655U true CN219561655U (en) | 2023-08-22 |
Family
ID=87670469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320599315.7U Active CN219561655U (en) | 2023-03-24 | 2023-03-24 | Scraper device for deep hole chamfering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219561655U (en) |
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2023
- 2023-03-24 CN CN202320599315.7U patent/CN219561655U/en active Active
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