CN211389628U - Multi-saw-blade double-nut locking device for stone mechanical main shaft - Google Patents
Multi-saw-blade double-nut locking device for stone mechanical main shaft Download PDFInfo
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- CN211389628U CN211389628U CN201922177865.6U CN201922177865U CN211389628U CN 211389628 U CN211389628 U CN 211389628U CN 201922177865 U CN201922177865 U CN 201922177865U CN 211389628 U CN211389628 U CN 211389628U
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- nut
- main shaft
- thread section
- saw
- locking device
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- 239000004575 stone Substances 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 15
- 208000035388 Ring chromosome 22 syndrome Diseases 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 101100294681 Banna virus (strain Indonesia/JKT-6423/1980) Segment-12 gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a multi-saw-blade double-nut locking device for a main shaft of a stone machine, which comprises a first nut and a second nut arranged on the left side of the first nut, wherein the first nut is annular, the inner wall of the first nut is provided with a power output end for matching the main shaft to lock a plurality of saw blades on the main shaft simultaneously, and the tail end of the power output end of the main shaft is in an internal thread section in the first nut; the right end of the second nut is provided with an external thread section, the left end of the second nut is provided with a rotating structure, and the outer wall of the second nut is integrally formed with a convex circular ring. The utility model discloses many saw bits of stone material machinery main shaft two nut locking wares, its simple structure, convenient to use can be effectively with many saw bits more firmly locking on stone material machinery's main shaft, avoid the potential safety hazard effectively.
Description
Technical Field
The utility model relates to a stone material machinery technical field, concretely relates to be a many saw bits of stone material machinery main shaft two nut locking wares.
Background
The following are known: the middle part of the saw blade of the stone machine is provided with a central hole for the power output end of the main shaft to pass through, and the power output end of the main shaft on the stone machine is generally provided with a thread section for matching a nut.
When a large saw blade or a plurality of saw blades are installed on a stone machine, the stone machine is usually tightly locked at the tail end of a main shaft by a single nut for locking and fixing. However, the locking force of the single nut is limited, and when the locking force of the single nut is insufficient, the large saw blade or the multiple saw blades can be loosened and cannot work. Moreover, because the common nut is easy to lock and is not in place, the large saw blade or the multiple saw blades are easy to deviate when cutting the stone in a high-speed rotating mode, the stone is cracked or deviated, material waste is generated, great potential safety hazards exist, and the life threat is formed to workers working on the periphery.
Accordingly, the present inventors have made extensive studies on how to more effectively and firmly mount a large saw blade or a plurality of saw blades.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a many saw bits of stone material machinery main shaft two nut locking wares, its simple structure, convenient to use can firmly fix large-scale saw bit or many saw bits on stone material machinery's main shaft effectively, avoid the potential safety hazard effectively.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multi-saw-blade double-nut locking device for a stone mechanical main shaft comprises a first nut and a second nut arranged on the left side of the first nut, wherein the first nut is annular, the inner wall of the first nut is provided with an internal thread section for the power output end of the main shaft to be matched with to lock multiple saw blades on the main shaft at the same time, the tail end of the power output end of the main shaft is positioned in the first nut, and the first nut is provided with a matching structure for matching a special workpiece to drive the first nut to rotate;
be provided with on the right-hand member of second nut with the internal thread section cooperation of first nut to make its right-hand member face and the terminal end face of main shaft external screw thread section that leans on mutually, the left end of second nut is provided with and is used for driving with the cooperation of auxiliary workpiece the rotatory revolution mechanic of second nut, integrated into one piece has on the outer wall of second nut be in revolution mechanic with between the external screw thread section and with the thread height flushes mutually or is higher than on the external screw thread section the protruding ring of thread height on the external screw thread section.
And a plurality of counter bores for driving the first nut to rotate are formed in the outer wall of the first nut along the circumferential direction of the outer wall of the first nut, and the plurality of counter bores are of the matching structure.
The diameter of the rotating structure is smaller than that of the second nut, and a positioning step is formed between the left end face of the convex circular ring and the rotating structure.
The rotating structure is an integrally formed hexagonal block which is arranged at the left end of the second nut and is driven to rotate by a wrench.
The length of the internal thread section of the first nut is equal to that of the external thread section of the second nut, and the length of the external thread section on the right end of the second nut is 90-110 mm.
The length of the first nut is 90-110mm, and the outer diameter of the first nut is 150-170 mm.
The first nut outer wall and the left and right ends of the first nut outer wall are provided with chamfers.
The utility model has the advantages that: when the multi-saw-blade locking device is used, the multi-saw-blade is firstly sleeved on the power output end of the main shaft, then the first nut is directly matched on the power output end of the main shaft, and the multi-saw-blade (namely, two adjacent saw blades are separated by the spacer and are sleeved on the output end of the main shaft at the same time) is directly locked and fixed through the first nut. Because first nut is the annular, has increased first nut terminal surface area, the area of contact of first nut and saw bit increases, frictional force increase between the two for first nut can bear the rotation messenger moment of torsion increase of main shaft, reduces the torsion that receives, so first nut is difficult for droing more, realizes one-level locking. Through the length of extension first nut for when first nut locking was in the power take off end of main shaft, the end of the power take off shaft of main shaft was only in first nut, was convenient for install the second nut. When the second nut spiral shell dress was on first nut, the right-hand member face of second nut leaned on with the terminal surface that the main shaft is in first nut mutually, through rotating the second nut, and then drives first nut and further lock, further compression saw bit and spacer inner space realize the second grade locking, so the locking is more firm. Therefore, the utility model discloses a many saw bits of stone material machinery main shaft two nut locking wares, its simple structure, convenient to use can be effectively with many saw bits more firmly locking on stone material machinery's main shaft, avoid the potential safety hazard effectively.
Drawings
For ease of illustration, the present invention is described in detail by the following detailed description and accompanying drawings.
Fig. 1 is the structural schematic diagram of the multi-saw-blade double-nut locking device of the stone mechanical spindle.
Fig. 2 is a schematic structural diagram of the first nut of the present invention.
Fig. 3 is a schematic structural diagram of the second nut of the present invention.
In the figure:
a first nut-1; a counterbore-11; an internal thread segment-12; a second nut-2; an external thread section-21; a convex circular ring-22; hexagonal block-23.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1-3, the utility model discloses a many saw bits of stone material machinery main shaft two nut locking wares, include first nut 1 and be in the left second nut 2 of first nut 1, first nut 1 is the annular, be provided with the power take off end cooperation that supplies the main shaft on the inner wall of first nut 1 with many saw bits lock solid simultaneously on the main shaft to make the power take off end of main shaft be in internal thread section 12 in the first nut 1, the both ends of this internal thread section 12 extend to respectively both ends about first nut 1, be provided with on the first nut 1 and be used for special work piece cooperation and then drive its pivoted cooperation structure. Adopt above-mentioned structure setting, because first nut 1 is the annular, increased 1 terminal surface area of first nut, the area of contact increase of first nut 1 and saw bit between the two, frictional force increase for first nut 1 can bear the rotation messenger moment of torsion increase of main shaft, reduces the torsion that receives, so first nut 1 is difficult for droing more, realizes one-level locking.
Be provided with on the right-hand member of second nut 2 with the internal thread section 12 of first nut 1 cooperatees to make its right-hand member face and the terminal surface of main shaft push up outer screw thread section 21 that leans on mutually, the left end of second nut 2 is provided with and is used for driving with the cooperation of auxiliary workpiece the rotatory revolution mechanic of second nut 2, integrated into one piece has on the outer wall of second nut 2 be in revolution mechanic with between the outer screw thread section 21 and with the thread height flushes mutually or is higher than on the outer screw thread section 21 the protruding ring 22 of thread height. Adopt above-mentioned structure setting, the effect of the length of 2 spiral shell dresses in first nut 1 of control and restriction second nut is mainly played to the protruding ring 22 of setting, and when the external screw thread end on second nut 2 was all cooperated in first nut 1, protruding ring 22 can directly push up on the terminal surface of first nut 1, and the protruding ring 22 terminal surface hugs closely mutually with the terminal surface of first nut 1, realizes the effect of stopping. While avoiding
The second nut 2 is too fitted into the first nut 1 to be unscrewed. By lengthening the length of the first nut 1, when the first nut 1 is locked at the power transmission end of the main shaft, the tail end of the power output shaft of the main shaft is only positioned in the first nut 1, so that the second nut 2 is convenient to mount. When 2 spiral shell dresses of second nut are on first nut 1, the right-hand member face of second nut 2 leans on with the terminal surface that the main shaft is in first nut 1 mutually in the top, through rotating second nut 2, and then drives first nut 1 and further locks, further compression saw bit and spacer inner space realize the second grade locking, so the locking is more firm.
In this embodiment, a plurality of counter bores 11 for driving the first nut 1 to rotate are formed in the outer wall of the first nut 1 along the circumferential direction thereof, and the plurality of counter bores 11 are the matching structure. The counter bore 11 is mainly used in cooperation with an existing special tool, the first nut 1 is driven to rotate by the existing special tool, and the first nut 1 is screwed on the power output end of the main shaft or detached from the power output end of the main shaft.
In this embodiment, the diameter of the rotating structure is smaller than the diameter of the second nut 2, so that the torque is mainly reduced, the torque is increased, and the second nut 2 can be rotated conveniently by a small force. The left end face of the convex ring 22 and the rotary structure form a positioning step. Mainly for protecting the external thread section 21 on the second nut 2. The auxiliary workpiece is prevented from being separated from the external thread section 21 on the second nut 2, and the auxiliary workpiece is prevented from accidentally damaging the external thread section 21 on the second nut 2.
In this embodiment, the rotating structure is a hexagonal block 23 integrally formed at the left end of the second nut 2 and driven by a wrench to rotate. A set of terminal surface of hexagonal piece 23 is directly centre gripping through the spanner, rotates the spanner and directly drives second nut 2 and rotates.
In this embodiment, the length of the female screw section 12 of the first nut 1 is equal to the length of the male screw section 21 of the second nut 2, and the length of the male screw section 21 of the second nut 2 is 100 mm.
In this embodiment, the length of the first nut 1 is 100mm, and the outer diameter of the first nut 1 is 160 mm.
In this embodiment, the outer wall of the first nut 1 and the left and right ends thereof are provided with chamfers. And the fillet is arranged, so that the damage to the surface of the saw blade is avoided.
The utility model discloses a two nut locking wares of many saw bits of stone material machinery main shaft, its simple structure, convenient to use can be effectively with many saw bits more firmly locking on stone material machinery's main shaft, avoid the potential safety hazard effectively. The utility model discloses a two nut locking wares of many saw bits of stone material machinery main shaft can solve the background art problem effectively, is favorable to firmly fixing many saw bits on the main shaft output more and steadily, is favorable to improving the quality of processing stone material.
It should be noted that, in the multi-blade double-nut locking device for the stone machine spindle of the present invention, the diameter of the internal thread section 12 on the first nut 1 can be determined according to the end diameter of the spindle, and the outer diameter of the external thread section 21 on the second nut 2 can be matched with the internal thread section 12 on the first nut 1. The size of the outer diameter of the convex circular ring on the second nut 2 and the size of the hexagonal block on the second nut 2 can be determined according to actual conditions, and the use requirements are met.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (7)
1. The utility model provides a many saw bits of stone material machinery main shaft two nut locking wares which characterized in that: the special-purpose saw blade locking mechanism comprises a first nut and a second nut positioned on the left side of the first nut, wherein the first nut is annular, the inner wall of the first nut is provided with an internal thread section which is used for matching a power output end of a main shaft to lock a plurality of saw blades on the main shaft simultaneously, and the tail end of the power output end of the main shaft is positioned in the first nut, and the first nut is provided with a matching structure which is used for matching a special workpiece to drive the first nut to rotate;
be provided with on the right-hand member of second nut with the internal thread section cooperation of first nut to make its right-hand member face and the terminal end face of main shaft external screw thread section that leans on mutually, the left end of second nut is provided with and is used for driving with the cooperation of auxiliary workpiece the rotatory revolution mechanic of second nut, integrated into one piece has on the outer wall of second nut be in revolution mechanic with between the external screw thread section and with the thread height flushes mutually or is higher than on the external screw thread section the protruding ring of thread height on the external screw thread section.
2. The multi-blade double-nut locking device for the main shaft of the stone machine as claimed in claim 1, wherein: and a plurality of counter bores for driving the first nut to rotate are formed in the outer wall of the first nut along the circumferential direction of the outer wall of the first nut, and the plurality of counter bores are of the matching structure.
3. The multi-blade double-nut locking device for the main shaft of the stone machine as claimed in claim 1, wherein: the diameter of the rotating structure is smaller than that of the second nut, and a positioning step is formed between the left end face of the convex circular ring and the rotating structure.
4. The multi-blade double-nut locking device of the main shaft of the stone machine as claimed in claim 3, wherein the rotation structure is a hexagonal block integrally formed on the left end of the second nut for the wrench to rotate.
5. The multi-blade double-nut locking device for the spindle of the stone machine as claimed in claim 1 or 3, wherein: the length of the internal thread section of the first nut is equal to that of the external thread section of the second nut, and the length of the external thread section of the second nut is 90-110 mm.
6. The multi-blade double-nut locking device for the spindle of the stone machine as claimed in claim 1 or 2, wherein: the length of the first nut is 90-110mm, and the outer diameter of the first nut is 150-170 mm.
7. The multi-blade double-nut locking device for the spindle of the stone machine as claimed in claim 1 or 2, wherein: the first nut outer wall and the left and right ends of the first nut outer wall are provided with chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922177865.6U CN211389628U (en) | 2019-12-07 | 2019-12-07 | Multi-saw-blade double-nut locking device for stone mechanical main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922177865.6U CN211389628U (en) | 2019-12-07 | 2019-12-07 | Multi-saw-blade double-nut locking device for stone mechanical main shaft |
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| Publication Number | Publication Date |
|---|---|
| CN211389628U true CN211389628U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922177865.6U Expired - Fee Related CN211389628U (en) | 2019-12-07 | 2019-12-07 | Multi-saw-blade double-nut locking device for stone mechanical main shaft |
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| Country | Link |
|---|---|
| CN (1) | CN211389628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070966A (en) * | 2022-08-10 | 2022-09-20 | 泉州达锋机械有限公司 | Stone cutting device |
-
2019
- 2019-12-07 CN CN201922177865.6U patent/CN211389628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070966A (en) * | 2022-08-10 | 2022-09-20 | 泉州达锋机械有限公司 | Stone cutting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |