CN220416030U

CN220416030U - Main shaft connection structure

Info

Publication number: CN220416030U
Application number: CN202321665638.8U
Authority: CN
Inventors: 朱志林; 陈斌; 邹小祥; 王颖; 潘存林
Original assignee: Jiangsu Jiangjia Machinery Co Ltd
Current assignee: Jiangsu Jiangjia Machinery Co Ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-01-30
Anticipated expiration: 2033-06-28

Abstract

The utility model relates to the technical field of connecting structures, and discloses a main shaft connecting structure, wherein a lining shaft is arranged on the inner side of a belt pulley, a main shaft main body is adapted to one side of the lining shaft, a mounting plate is arranged at one end of the main shaft main body, which is far away from the lining shaft, a second limiting groove is formed in the inner wall of the mounting plate, a clamping ring is arranged on the inner side of the second limiting groove, a second bearing is inserted into the clamping ring, a screw rod is rotated by using a hexagonal wrench to drive the main shaft main body to move to one side of a through hole, tight connection and relative fixation of parts are realized by using double interference connection, gaps between the parts are reduced, pretightening force is generated, therefore, the connecting strength is improved, the parts are prevented from falling off or loosening, external vibration and torsion force can be effectively resisted, and therefore, the reliability and durability of the parts are improved.

Description

Main shaft connection structure

Technical Field

The utility model relates to the technical field of connecting structures, in particular to a main shaft connecting structure.

Background

The spindle is a shaft which is necessary for connecting the main parts of the products and is used for bearing bending moment and torque in the rotation work, and the spindle is required to drive the saw blade to rotate in the processing production of the timber plates, so that the cutting of the timber plates is completed.

The existing wood board cutting saw blade is fixed on the outer side of a main shaft, the existing wood board cutting saw blade is installed on one side of a box body through a bearing, the bearing is installed on the box body through a fixing bolt or other modes, then the main shaft is inserted into an inner ring of the bearing, and as the main shaft is matched with the inner ring of the bearing, a great deal of time is required for disassembling, so that the convenience of disassembling and installing the main shaft is poor, and therefore, the main shaft connecting structure is provided.

Disclosure of Invention

The present utility model is directed to a spindle connection structure, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the main shaft connecting structure comprises a belt pulley, wherein a lining shaft is arranged on the inner side of the belt pulley, a main shaft main body is adapted to one side of the lining shaft, and a mounting plate is arranged at one end, far away from the lining shaft, of the main shaft main body;

the mounting plate is characterized in that a second limiting groove is formed in the inner wall of the mounting plate, a clamping ring is arranged on the inner side of the second limiting groove, a second bearing is inserted into the inner side of the clamping ring, a first supporting frame is sleeved on the inner side of the second bearing, a first limiting groove is formed in the inner side of the first supporting frame, a second supporting frame is inserted into the inner side of the first limiting groove, a second arc-shaped surface and a third arc-shaped surface are respectively arranged on the inner side and the outer side of the second supporting frame, a cover plate positioned on one side of the second bearing is connected to one side of the mounting plate through bolts, and a first arc-shaped surface is arranged on the inner side of the first limiting groove.

Preferably, a through hole is formed in one side of the top of the first support frame, a screw is rotatably connected to the inner side of the first support frame, and the bottom of the screw is in threaded connection with one end of the main shaft main body.

Preferably, a fourth arc surface is provided at the outer side of one end of the main body, the outer side of the fourth arc surface is adapted to the inner side of the third arc surface, and the outer side of the second arc surface is adapted to the inner side of the first arc surface.

Preferably, one end of the outer side of the lining shaft is respectively sleeved with a connecting sleeve and a tensioning sleeve, and the outer side of the tensioning sleeve is connected to the inner side of the belt pulley.

Preferably, a first bearing which is connected to the inner side of the belt pulley in a sliding manner is arranged on the outer side of the connecting sleeve, an inner pressure ring is connected to one side of the first bearing, an outer pressure ring is connected to one side of the inner pressure ring, and a first elastic retainer ring is connected to one side of the outer pressure ring.

Preferably, an outer spacer ring is connected to one side of the first bearing away from the inner compression ring, an inner spacer ring is connected to one side of the outer spacer ring, and a second elastic retainer ring is connected to one side of the inner spacer ring.

Preferably, one end of the main shaft body is adapted to the inner side of the second supporting frame, and the other end of the main shaft body is adapted to the inner side of the lining shaft.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects: according to the utility model, the screw rod is rotated by using the hexagonal wrench to drive the main shaft main body to move to one side of the through hole, the fourth arc surface is sequentially attached to the third arc surface to contact, the second arc surface is in contact with the first arc surface, at the moment, the second support frame and the first support frame are in an interference state, the tight connection and the relative fixation of parts are realized by using double interference connection, the main shaft main body is connected with the first support frame and the second support frame, the gap between the parts is reduced, and the pretightening force is generated, so that the connection strength is improved, the parts are prevented from falling or loosening, external vibration and torsion force can be effectively resisted, the reliability and durability of the parts are improved, and the main shaft main body is easier to mount and dismount by using the hexagonal wrench to rotate the screw rod, so that the convenience in the process of dismantlement and mounting of the main shaft main body is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of a cross-sectional structure of a second support frame according to the present utility model;

fig. 3 is a schematic view of the belt pulley structure of the present utility model.

Reference numerals illustrate: 1. a belt pulley; 2. an outer spacer ring; 3. an inner spacer ring; 4. an outer pressure ring; 5. an inner pressure ring; 6. a first bearing; 7. a first circlip; 8. connecting sleeves; 9. the second elastic retainer ring; 10. a bushing shaft; 11. a tensioning sleeve; 12. a first support frame; 13. a through hole; 14. a screw; 15. a second support frame; 16. a first limit groove; 17. a first arcuate surface; 18. a second arcuate surface; 19. a third arcuate surface; 20. a fourth arcuate surface; 21. a main shaft main body; 23. a cover plate; 24. a second bearing; 25. a clasp; 26. the second limit groove; 27. and (3) mounting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are 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 one or more such feature. In the description of the present application, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Examples

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a main shaft connection structure, includes belt pulley 1, and belt pulley 1 inboard is equipped with lining axle 10, and lining axle 10 one side is equipped with the recess that is fit for main shaft main part 21 one side, and lining axle 10 one side is fit with main shaft main part 21, and main shaft main part 21 is kept away from lining axle 10 one end and is equipped with mounting panel 27, and main shaft main part 21 one end adaptation is in the inboard of second support frame 15, and main shaft main part 21 other end adaptation is in the inboard of lining axle 10.

The inner wall of the mounting plate 27 is provided with a second limit groove 26, a clamping ring 25 is mounted on the inner side of the second limit groove 26, a second bearing 24 is inserted into the inner side of the clamping ring 25, a first support frame 12 is sleeved on the inner ring of the second bearing 24, a first limit groove 16 is formed in the inner side of the first support frame 12, a support is used for lifting the main shaft main body 21, one end of the main shaft main body 21 is inserted into the inner side of one end of the lining shaft 10, then the mounting plate 27 is mounted on one side of a saw blade main case, and a hexagonal wrench is used for being inserted into the inner side of the through hole 13;

the second support frame 15 has been inserted to first spacing groove 16 inboard, the inside and outside both sides of second support frame 15 are equipped with second arcwall face 18 and third arcwall face 19 respectively, mounting panel 27 one side is through bolted connection having the apron 23 that is located second bearing 24 one side, first spacing groove 16 inboard is equipped with first arcwall face 17, main shaft main part 21 one end inserts the inboard at second support frame 15, simultaneously the one end adaptation of screw rod 14 is in the screw hole inboard of main shaft main part 21 one side, use hexagonal wrench to rotate screw rod 14, through screw rod 14 and main shaft main part 21 one end threaded connection, drive main shaft main part 21 to remove to through-hole 13 one side, when main shaft main part 21 removes, make fourth arcwall face 20 laminating at third arcwall face 19, make between main shaft main part 21 and the second support frame 15 be in interference fit state through the arcwall face, through-hole 13 has been seted up to first support frame 12 top one side, the inboard rotation of first support frame 12 is connected with screw rod 14, screw rod 14 bottom threaded connection in main shaft main part 21 one end.

The main shaft main part 21 one end outside is equipped with fourth arcwall face 20, and the outside of fourth arcwall face 20 is adapted to the inboard of third arcwall face 19, and the outside of second arcwall face 18 is adapted to the inboard of first arcwall face 17, when continuing to rotate hexagonal wrench and driving screw rod 14 rotation, makes second arcwall face 18 and first arcwall face 17 contact this moment, is in interference state between second support frame 15 and the first support frame 12 this moment, uses dual interference connection to realize the close connection and the relative fixation of part.

The outside one end of lining axle 10 has cup jointed adapter sleeve 8 and tight cover 11 that rises respectively, the outside of tight cover 11 is connected in the inboard of belt pulley 1, the power of external motor makes the belt drive belt pulley 1 rotate, the first bearing 6 of sliding connection in belt pulley 1 inboard is installed in the adapter sleeve 8 outside, first bearing 6 one side is connected with interior pressure ring 5, interior pressure ring 5 one side is connected with outer clamping ring 4, outer clamping ring 4 one side is connected with first circlip 7, outer clamping ring 4 and interior pressure ring 5 prevent that first bearing 6 from taking place the displacement because of reasons such as inertia or external vibration in use, belt pulley 1 drives lining axle 10 through the effect of adapter sleeve 8 and tight cover 11 and rotates, simultaneously lining axle 10 drives main shaft main part 21 and rotates, first bearing 6 is kept away from interior clamping ring 5 one side and is connected with outer spacer ring 2, outer spacer ring 2 one side is connected with interior spacer ring 3, interior spacer ring 3 one side is connected with second circlip 9, interior spacer ring 3 and outer spacer ring 2 are used for fixing the position of first bearing 6 in the equipment, support and protection first bearing 6, can also bear load and moment from the external world simultaneously.

Working principle: when main shaft main part 21 installs, use the support to hoist main shaft main part 21, insert main shaft main part 21 one end inboard at the one end of lining axle 10, then install mounting panel 27 in one side of saw bit mainframe box, this moment use the hexagonal spanner to insert in the inboard of through-hole 13, and the adaptation is in one end of screw rod 14, when mounting panel 27 installs in mainframe box one side, make main shaft main part 21 one end insert in the inboard of second support frame 15 this moment, simultaneously the one end adaptation of screw rod 14 is in the screw hole inboard of main shaft main part 21 one side, use hexagonal spanner rotation screw rod 14, through screw rod 14 and main shaft main part 21 one end threaded connection, drive main shaft main part 21 to one side of through-hole 13 remove, when main shaft main part 21 removes, make fourth arcwall 20 laminating in third arcwall 19, make between main shaft main part 21 and the second support frame 15 be in interference fit state through the arcwall face, simultaneously when continuing to rotate hexagonal spanner drive screw rod 14 rotation, make this moment second arcwall face 18 and first arcwall face 17 contact, be in the state between second support frame 15 and the first support frame 12, use the tight interference fit of parts and relative main shaft interference fit is realized and main shaft main part 21 and relative fixed connection is realized, thereby the main part can be removed with the first support frame 12, can be realized through the relative interference fit between main part 21 and the main part is easy to the main part 21, the front end is rotated and the main part is more convenient to the improvement, the front end is convenient to rotate, and can be realized, and the main part is convenient to rotate and can be detached through the main part is convenient to install and the main part is easy to install, and can be convenient to rotate and easy through the main part is convenient to rotate.

After the belt is sleeved on the outer side of the belt pulley 1, the belt drives the belt pulley 1 to rotate by the power of an external motor, at the moment, the belt pulley 1 drives the lining shaft 10 to rotate under the action of the connecting sleeve 8 and the tensioning sleeve 11, and meanwhile, the lining shaft 10 drives the main shaft main body 21 to rotate.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims

1. The utility model provides a main shaft connection structure, includes belt pulley (1), its characterized in that: a lining shaft (10) is arranged on the inner side of the belt pulley (1), a main shaft main body (21) is adapted to one side of the lining shaft (10), and a mounting plate (27) is arranged at one end, far away from the lining shaft (10), of the main shaft main body (21);

the utility model discloses a mounting panel, including mounting panel (27) and mounting panel, second spacing groove (26) have been seted up to mounting panel (27) inner wall, snap ring (25) are installed to second spacing groove (26) inboard, second bearing (24) have been inserted to snap ring (25) inboard, first support frame (12) have been cup jointed to second bearing (24) inner race, first spacing groove (16) have been seted up to first support frame (12) inboard, second support frame (15) have been inserted to first spacing groove (16) inboard, both sides are equipped with second arcwall face (18) and third arcwall face (19) respectively inside and outside second support frame (15), mounting panel (27) one side has apron (23) that are located second bearing (24) one side through bolted connection, first spacing groove (16) inboard is equipped with first arcwall face (17).

2. A spindle attachment according to claim 1, wherein: through holes (13) are formed in one side of the top of the first support frame (12), a screw (14) is rotatably connected to the inner side of the first support frame (12), and the bottom of the screw (14) is in threaded connection with one end of the main shaft main body (21).

3. A spindle attachment according to claim 2, wherein: the outer side of one end of the main shaft main body (21) is provided with a fourth arc-shaped surface (20), the outer side of the fourth arc-shaped surface (20) is adapted to the inner side of the third arc-shaped surface (19), and the outer side of the second arc-shaped surface (18) is adapted to the inner side of the first arc-shaped surface (17).

4. A spindle attachment according to claim 1, wherein: one end of the outer side of the lining shaft (10) is respectively sleeved with a connecting sleeve (8) and a tensioning sleeve (11), and the outer side of the tensioning sleeve (11) is connected to the inner side of the belt pulley (1).

5. The spindle attachment of claim 4, wherein: the belt pulley is characterized in that a first bearing (6) which is connected to the inner side of the belt pulley (1) in a sliding mode is arranged on the outer side of the connecting sleeve (8), an inner pressure ring (5) is connected to one side of the first bearing (6), an outer pressure ring (4) is connected to one side of the inner pressure ring (5), and a first elastic retainer ring (7) is connected to one side of the outer pressure ring (4).

6. The spindle attachment of claim 5, wherein: one side of the first bearing (6) far away from the inner compression ring (5) is connected with an outer spacing ring (2), one side of the outer spacing ring (2) is connected with an inner spacing ring (3), and one side of the inner spacing ring (3) is connected with a second elastic retainer ring (9).

7. A spindle attachment according to claim 1, wherein: one end of the main shaft main body (21) is adapted to the inner side of the second supporting frame (15), and the other end of the main shaft main body (21) is adapted to the inner side of the lining shaft (10).