CN212945807U - Saw blade device with continuously adjusted space - Google Patents
Saw blade device with continuously adjusted space Download PDFInfo
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- CN212945807U CN212945807U CN202021169002.0U CN202021169002U CN212945807U CN 212945807 U CN212945807 U CN 212945807U CN 202021169002 U CN202021169002 U CN 202021169002U CN 212945807 U CN212945807 U CN 212945807U
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Abstract
The utility model discloses a saw blade device with continuously adjusted space, which comprises a central shaft, a connecting shaft, an adjusting bolt, a first saw blade and a second saw blade, wherein the central shaft is a hollow shaft body, one end of the central shaft is provided with a fixed seat, the fixed seat is provided with a jack, a stop collar and a first locking nut are sequentially screwed on the central shaft, the stop collar is abutted with the fixed seat, the first saw blade is clamped between the stop collar and the first locking nut, one end of the connecting shaft is provided with a stop convex ring, a second locking nut is screwed on the connecting shaft, the second saw blade is clamped between the stop convex ring and the second locking nut, the periphery array of the other end of the connecting shaft is provided with a plurality of stop grooves, the inner wall of the central shaft is provided with a stop part corresponding to the connecting shaft, one end of the connecting shaft is inserted into the central shaft and is limited by the connecting shaft, the screw hole is also provided in the, the utility model discloses a cutting accuracy is secure.
Description
Technical Field
The utility model relates to a saw bit device of interval continuous adjustment.
Background
Patent No. CN 207402209U discloses a saw blade device with continuously adjustable distance, in which a first saw blade and a second saw blade are installed and radially positioned by using a spline shaft, and the total length of a nut sleeve and a threaded sleeve is changed by using the rotation of the nut sleeve on the threaded sleeve, thereby adjusting the distance between the first saw blade and the second saw blade.
However, in practical application, the nut sleeve may rotate along with the rotation of the central shaft, so that the total length of the nut sleeve and the threaded sleeve changes, the distance between the first saw blade and the second saw blade is changed, the cutting precision is affected, and in severe cases, the second saw blade may be scrapped due to the inclination of the second saw blade.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a saw blade device with continuously adjusted space.
The technical scheme of the utility model is that: a saw blade device with continuously adjusted space comprises a central shaft, a connecting shaft, an adjusting bolt, a first saw blade and a second saw blade, wherein the central shaft is a hollow shaft body, one end of the central shaft is provided with a fixed seat, the fixed seat is provided with a jack communicated with the inside of the central shaft, a limiting sleeve and a first locking nut are sequentially screwed on the central shaft, the limiting sleeve is abutted against the fixed seat, the first saw blade is clamped between the limiting sleeve and the first locking nut, one end of the connecting shaft is provided with a limiting convex ring, a second locking nut is screwed on the connecting shaft, the second saw blade is clamped between the limiting convex ring and the second locking nut, the periphery of the other end of the connecting shaft is arrayed with a plurality of limiting grooves, the inner wall of the central shaft is provided with a limiting part corresponding to the connecting shaft, one end of the connecting shaft with the limiting groove is inserted into the central shaft, and the limiting grooves are matched with the, the connecting shaft is also internally provided with a screw hole, an opening of the screw hole is arranged at one end of the connecting shaft inserted into the central shaft, and the adjusting bolt is inserted from an insertion hole on the fixing seat and is in threaded connection with the screw hole on the connecting shaft.
Furthermore, a connecting seat is fixed on an output shaft of the driving mechanism, and the fixing seat is connected with the connecting seat through a fixing bolt.
Furthermore, a gasket is arranged between the first saw blade and the first locking nut and between the second saw blade and the second locking nut.
Furthermore, a positioning sleeve is further sleeved on the central shaft and arranged between the first locking nut and the limiting convex ring.
Furthermore, a groove is respectively formed in two sides of the jack of the fixing seat, a screw hole is formed in the groove, two ends of a limiting block are fixed to the groove through screws, and the middle of the limiting block is embedded into a groove body in the head of the adjusting bolt to limit the adjusting bolt.
Optionally, the limiting part is a limiting boss.
Optionally, the limiting part is a plurality of limiting bolts connected to the central shaft.
The utility model has the advantages that: compared with the prior art, the utility model, first saw bit and second saw bit are difficult for producing the displacement after the location, and cutting accuracy is secure.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic structural view of the fixing base of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to fig. 1 to 3, a saw blade device with a continuously adjustable gap includes a central shaft 1, a connecting shaft 2, an adjusting bolt 3, a first saw blade 4 and a second saw blade 5;
the central shaft 1 is a hollow shaft body, one end of the central shaft is provided with a fixed seat 6, the fixed seat 6 is provided with an insertion hole communicated with the inside of the central shaft 1, an output shaft of the driving mechanism is fixedly provided with a connecting seat, and the fixed seat 6 is connected with the connecting seat through a fixing bolt;
the outer periphery of the central shaft 1 is provided with external threads, a limiting sleeve 7 and a first locking nut 8 are sequentially screwed on the central shaft 1, the limiting sleeve 7 is abutted with the fixed seat 6, the first saw blade 4 is clamped between the limiting sleeve 7 and the first locking nut 8, a gasket is further arranged between the first saw blade 4 and the first locking nut 8, and the distance between the first saw blade 4 and the fixed seat 6 can be adjusted by replacing the limiting sleeves 7 with different lengths;
one end of the connecting shaft 2 is provided with a limiting convex ring 9, the connecting shaft 2 outside the limiting convex ring 9 is provided with external threads, a second locking nut 10 is screwed on the connecting shaft 2, the second saw blade 5 is clamped between the limiting convex ring 9 and the second locking nut 10, and a gasket is also arranged between the second saw blade 5 and the second locking nut 10;
the periphery of the other end of the connecting shaft 2 is arrayed with four limiting grooves 11, the inner wall of the central shaft 1 is provided with a limiting part corresponding to the connecting shaft 2, the limiting part can be a limiting boss, and the limiting part can also be four limiting bolts 12 connected to the central shaft 1; one end of a connecting shaft 2 with a limiting groove 11 is inserted into the central shaft 1, the limiting groove 11 is matched with the limiting part, a screw hole is also arranged in the connecting shaft 2, and an opening of the screw hole is formed in one end, inserted into the central shaft 1, of the connecting shaft 2;
the adjusting bolt 3 is inserted into the jack on the fixed seat 6 and is in threaded connection with the threaded hole on the connecting shaft 2, and the connecting shaft 2 can extend out or retract by rotating the adjusting bolt 3, so that the distance between the first saw blade 4 and the second saw blade 5 can be adjusted;
a positioning sleeve 13 is further sleeved on the central shaft 1, the positioning sleeve 13 is arranged between the first locking nut 8 and the limiting convex ring 9, before installation, the positioning sleeve 13 with a proper length is selected to be sleeved on the central shaft 1 and abutted against the first locking nut 8, then the connecting shaft 2 is connected, the adjusting bolt 3 is rotated until the limiting convex ring 9 is abutted against the positioning sleeve 13, the adjusting bolt 3 cannot rotate, and therefore positioning of the connecting shaft 2 is achieved, and meanwhile, the positioning sleeve 13 has the effects of enhancing the strength of the central shaft 1 and preventing chips from falling on the connecting shaft 2 in the cutting process;
the two sides of the jack of the fixing seat 6 are respectively provided with a groove, a screw hole is arranged in each groove, two ends of a limiting block 14 are fixed on the grooves through screws, and the middle of the limiting block 14 is embedded into a groove body on the cap head of the adjusting bolt 3 to limit the adjusting bolt 3 so as to prevent the adjusting bolt 3 from rotating.
The utility model discloses a theory of operation is: the driving mechanism drives the central shaft 1, and because the central shaft 1 and the connecting shaft 2 are matched with the limiting part through the limiting groove 11, the central shaft 1 rotates to drive the connecting shaft 2 to rotate, so that the first saw blade 4 and the first saw blade 4 rotate synchronously;
when the distance is adjusted, the adjusting bolt 3 is rotated to enable the connecting shaft 2 to extend out or retract, so that the distance between the first saw blade 4 and the second saw blade 5 is adjusted, and after the adjustment is finished, the adjusting bolt 3 is limited by the limiting block 14, so that the adjusting bolt 3 is prevented from rotating;
if the positioning sleeve 13 is also arranged, the connecting shaft 2 is firstly detached, then the positioning sleeve 13 with proper length is selected to be sleeved on the central shaft 1 and abutted against the first locking nut 8, then the connecting shaft 2 is connected, the adjusting bolt 3 is rotated until the limiting convex ring 9 is abutted against the positioning sleeve 13, and the adjusting bolt 3 cannot rotate again, so that the positioning of the connecting shaft 2 is realized;
additionally, the utility model discloses a select the stop collar 7 of suitable length, still can adjust the interval between first saw bit 4 and the fixing base 6.
Compared with the prior art, the utility model, first saw bit 4 and second saw bit 5 are difficult for producing the displacement after the location, and cutting accuracy is secure.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a saw bit device of interval continuous adjustment which characterized in that: the saw blade fixing device comprises a central shaft, a connecting shaft, an adjusting bolt, a first saw blade and a second saw blade, wherein the central shaft is a hollow shaft body, a fixing seat is arranged at one end of the central shaft, a jack communicated with the inside of the central shaft is arranged on the fixing seat, a limiting sleeve and a first locking nut are sequentially screwed on the central shaft, the limiting sleeve is abutted against the fixing seat, the first saw blade is clamped between the limiting sleeve and the first locking nut, a limiting convex ring is arranged at one end of the connecting shaft, a second locking nut is screwed on the connecting shaft, the second saw blade is clamped between the limiting convex ring and the second locking nut, a plurality of limiting grooves are arrayed at the periphery of the other end of the connecting shaft, a limiting part corresponding to the limiting part is arranged on the inner wall of the central shaft, the connecting shaft with the limiting grooves is inserted into the central shaft, the limiting grooves are matched with the limiting part, and a screw, the opening of the screw hole is arranged at one end of the connecting shaft inserted into the central shaft, and the adjusting bolt is inserted from the insertion hole on the fixing seat and is in threaded connection with the screw hole on the connecting shaft.
2. A saw blade device with continuous adjustment of the pitch as set forth in claim 1, wherein: and a connecting seat is fixed on an output shaft of the driving mechanism, and the fixed seat is connected with the connecting seat through a fixed bolt.
3. A saw blade device with continuous adjustment of the pitch as set forth in claim 2, wherein: and gaskets are also arranged between the first saw blade and the first locking nut and between the second saw blade and the second locking nut.
4. A saw blade device with continuous adjustment of the pitch as set forth in claim 3, wherein: the central shaft is further sleeved with a positioning sleeve, and the positioning sleeve is arranged between the first locking nut and the limiting convex ring.
5. A saw blade device with continuous adjustment of the pitch as set forth in claim 4, wherein: the two sides of the jack of the fixing seat are respectively provided with a groove, a screw hole is arranged in each groove, two ends of a limiting block are fixed on the grooves through screws, and the middle of the limiting block is embedded into a groove body on the adjusting bolt cap head to limit the adjusting bolt.
6. A saw blade device with continuously adjustable spacing as claimed in claim 5, wherein: the limiting part is a limiting boss.
7. A saw blade device with continuously adjustable spacing as claimed in claim 5, wherein: the limiting part is a plurality of limiting bolts connected to the central shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021169002.0U CN212945807U (en) | 2020-06-22 | 2020-06-22 | Saw blade device with continuously adjusted space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021169002.0U CN212945807U (en) | 2020-06-22 | 2020-06-22 | Saw blade device with continuously adjusted space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212945807U true CN212945807U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021169002.0U Active CN212945807U (en) | 2020-06-22 | 2020-06-22 | Saw blade device with continuously adjusted space |
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| CN (1) | CN212945807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257497A (en) * | 2021-06-18 | 2021-08-13 | 广东电网有限责任公司 | Insulator |
-
2020
- 2020-06-22 CN CN202021169002.0U patent/CN212945807U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257497A (en) * | 2021-06-18 | 2021-08-13 | 广东电网有限责任公司 | Insulator |
| CN113257497B (en) * | 2021-06-18 | 2022-07-12 | 广东电网有限责任公司 | Insulator |
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