Roll shaft structure

Abstract

The utility model relates to the technical field of roll shafts, in particular to a roll shaft structure which comprises a roll shaft body, main shafts are arranged at the two ends of the roll shaft body, a sleeve is arranged on the outer wall of the roll shaft body in a sleeved mode, a plurality of sliding grooves are formed in the outer wall of the roll shaft body, a plurality of through grooves are formed in the two ends of the roll shaft body, and prisms are arranged at the outer ends of the main shafts. Sliding columns are arranged at the positions, corresponding to the sliding grooves, of the inner wall of the sleeve, a plurality of clamping plates are arranged at one side end of the sleeve, and clamping grooves are formed in the positions, corresponding to the clamping plates, of the end of the roller shaft body; according to the roll shaft structure, the sleeve is arranged and connected with the roll shaft body in a combined mode, protective matching of the outer wall of the roll shaft body is achieved, the sleeve is matched with the clamping groove in an inserted mode through the clamping plate, the position is fixed through matching of the fastening bolts, the sleeve is convenient to replace, and the cost wasted by overall replacement is reduced; combined installation and cooperation with an external connecting workpiece are facilitated, resistance is increased, and the situation that slipping affects overall running fit is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of roller shafts, in particular to a roller shaft structure. Background Art

[0002] Roller is a general term for cylindrical parts that can roll on the machine. Roller is a combination roller, which is composed of shaft, bearing, roller sleeve, sealing ring (cover, ring), and the latter parts are all sleeved on the shaft;

[0003] The utility model with the publication number CN212563762U discloses a ventilation and heat dissipation roller structure, comprising a roller body and end shafts located at both ends of the roller body, the roller body is a hollow roller body, the end shafts include a first end shaft and a second end shaft, a first connecting sleeve matching the first end shaft is provided on the inner side of one end of the roller body, a second connecting sleeve matching the second end shaft is provided on the inner side of the other end of the roller body, the first end shaft is connected to the first connecting sleeve through a plurality of first blades, the plurality of first blades are evenly distributed between the first end shaft and the first connecting sleeve, the second end shaft is connected to the second connecting sleeve through a plurality of second blades, the plurality of second blades are evenly distributed between the second end shaft and the second connecting sleeve;

[0004] The above technical scheme can not only greatly reduce the weight of the roller body and reduce the production and assembly costs, but also the two ends of the roller body can be well ventilated and heat-dissipated, and the heat generated during high-speed rotation can be timely and effectively discharged to ensure that the surface temperature of the roller body will not be too high, thereby extending the service life of the roller body and ensuring the transmission efficiency of the roller body; however, the outer wall of the roller shaft is prone to wear due to long-term use, and overall replacement wastes materials and increases replacement costs. In addition, the outer wall of the roller shaft cannot be quickly replaced according to the material that needs to be contacted and processed, and the installation of the roller assembly is not convenient enough. Utility Model Content

[0005] The purpose of the utility model is to provide a roller structure to solve the problem that the ventilated and heat-dissipating roller structure with the authorization publication number CN212563762U proposed in the above-mentioned background technology, but the outer wall of the roller is easily worn out after long-term use, and the overall replacement wastes materials and increases the replacement cost, and the outer wall of the roller cannot be quickly replaced according to the material that needs to be contacted and processed, and the roller assembly is not convenient to install.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A roller structure includes a roller body, both ends of the roller body are provided with main shafts, a sleeve is sleeved on the outer wall of the roller body, a plurality of slide grooves are opened on the outer wall of the roller body, a plurality of through grooves are opened at both ends of the roller body, prisms are provided at the outer ends of the main shaft, slide columns are provided on the inner wall of the sleeve corresponding to the slide grooves, a plurality of clamping plates are provided at one side end of the sleeve, and a clamping groove is opened on the end of the roller body corresponding to the clamping plate.

[0008] Preferably, the clamping plates are distributed in a ring shape with equal intervals, and the clamping plates and the sleeve are an integrally formed structure, and the width of the outer wall of the clamping plate is consistent with the width of the inner wall of the clamping slot.

[0009] In the utility model, the clamping plate is provided to be plugged and matched with the clamping groove, which helps the sleeve to be tightly plugged and matched with one section of the roller body, thereby increasing the stability of the installation.

[0010] Preferably, the card plate is provided with through holes, the through holes are provided with fastening bolts, and screw holes are provided in the card slots at positions corresponding to the through holes.

[0011] In the utility model, by arranging a fastening bolt to pass through the through hole and be threadedly connected with the screw hole, it is convenient to fix the clamping plate and the roller body, thereby increasing the structural stability of the combination.

[0012] Preferably, the slide posts are distributed in a circular shape with equal intervals, the width of the outer wall of the slide post is matched with the width of the inner wall of the slide groove, and the slide post and the sleeve are an integrally formed structure.

[0013] In the utility model, a slide post and a slide groove are provided for plug-in cooperation, so as to further increase the stability of the plug-in installation of the sleeve and the roller body, and facilitate the replacement and cooperation of the sleeve. According to the different material conditions that need to be processed, the corresponding sleeve is replaced to reduce the wear and consumption on the roller body.

[0014] Preferably, one end of the main shaft is welded and fixed to the roller body, and the other end of the main shaft is welded and fixed to the prism.

[0015] In the utility model, the main shaft is provided and cooperated with the prism, which helps the roller body to be correspondingly plugged and installed on the connecting workpiece that needs to use the roller, and the cooperation of the prism helps to stably perform the plug-in installation and reduce the impact of rotation slip.

[0016] Preferably, the main shafts are sleeved with bearings, the inner rings of the bearings are welded and fixed to the main shafts, and the outer diameter of the bearings is smaller than the outer diameter of the roller body.

[0017] In the utility model, by arranging the bearing, it is convenient for the bearing to contact and cooperate with the corresponding connecting piece during the overall installation, thereby increasing the flexibility of the overall rotation.

[0018] Preferably, the through grooves are distributed in a circular shape with equal intervals, and the through grooves connect the internal space of the roller body with the external space.

[0019] In the utility model, the through groove is provided to facilitate ventilation and heat dissipation inside the roller body, reducing the influence of internal heat accumulation, and the inside of the roller body is hollow, which reduces the manufacturing cost of the roller body and saves manufacturing materials.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] The utility model realizes the protection of the outer wall of the roller body by setting a sleeve and combining it with the roller body, and the sleeve is plugged into the slot through a clamping plate and fixed in position by fastening bolts. The sleeve is easy to replace, reducing the waste cost of overall replacement. The matching prism on the main shaft helps to combine and install with the external workpiece, increase resistance, and reduce the impact of slippage on the overall rotation.

[0022] The utility model provides through grooves to facilitate ventilation and heat dissipation inside the roller body, reduce the impact of heat accumulation, and the bearing is installed on the main shaft, so that when the main shaft is connected to the external workpiece for installation, the bearing is combined and connected with the corresponding fixed structure to increase the flexibility of the overall rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall front view structure of the utility model;

[0024] Figure 2 It is a schematic side view of the whole of the utility model;

[0025] Figure 3 This is a schematic diagram of the combined structure of the roller body and the main shaft of the utility model;

[0026] Figure 4 This is a schematic diagram of the sleeve structure of the utility model;

[0027] Figure 5 It is a schematic side view of the sleeve of the utility model;

[0028] Figure 6 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0029] The meaning of each number in the figure is:

[0030] Roller body; 10, slide groove; 11, clamping groove; 110, screw hole; 12, through groove;

[0031] Spindle; 20, prism; 21, bearing;

[0032] Sleeve; 30, sliding column; 31, clamping plate; 310, perforation; 311, fastening bolt. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0037] See also Figure 1-Figure 6 , this embodiment provides a technical solution:

[0038] A roller structure includes a roller body 1, a main shaft 2 is provided at both ends of the roller body 1, a sleeve 3 is sleeved on the outer wall of the roller body 1, a plurality of slide grooves 10 are opened on the outer wall of the roller body 1, a plurality of through grooves 12 are opened at both ends of the roller body 1, a prism 20 is provided at the outer end of the main shaft 2, a slide column 30 is provided on the inner wall of the sleeve 3 corresponding to the slide groove 10, a plurality of clamping plates 31 are provided at one side end of the sleeve 3, and a clamping groove 11 is opened at the end of the roller body 1 corresponding to the clamping plate 31.

[0039] In this embodiment, the clamping plates 31 are distributed in a ring shape with equal intervals, and the clamping plates 31 and the sleeve 3 are an integrally formed structure. The width of the outer wall of the clamping plate 31 is consistent with the width of the inner wall of the clamping slot 11.

[0040] In the present invention, the clamping plate 31 is provided to be plugged and matched with the clamping groove 11, which helps the sleeve 3 to be tightly plugged and matched with one section of the roller body 1, thereby increasing the stability of the installation.

[0041] Furthermore, through holes 310 are provided on the clamping plate 31 , fastening bolts 311 are provided in the through holes 310 , and screw holes 110 are provided in the clamping slot 11 at positions corresponding to the through holes 310 .

[0042] In the present invention, by arranging a fastening bolt 311 to pass through the through hole 310 and be threadedly connected with the screw hole 110, it is convenient to fix the clamping plate 31 and the roller body 1, thereby increasing the structural stability of the combination.

[0043] Specifically, the slide posts 30 are distributed in a ring shape with equal intervals, the width of the outer wall of the slide post 30 is matched with the width of the inner wall of the slide groove 10, and the slide post 30 and the sleeve 3 are an integrally formed structure.

[0044] In the utility model, a slide post 30 is provided to be plugged in with the slide groove 10, so as to further increase the stability of the plug-in installation of the sleeve 3 and the roller body 1, and facilitate the replacement and matching of the sleeve 3. According to the different material conditions that need to be processed, the corresponding sleeve 3 is replaced to reduce the wear and consumption of the roller body 1.

[0045] It should be noted that one end of the main shaft 2 is welded and fixed to the roller body 1 , and the other end of the main shaft 2 is welded and fixed to the prism 20 .

[0046] In the present invention, the main shaft 2 is provided in conjunction with the prism 20, which helps the roller body 1 to be correspondingly plugged and installed on the connecting workpiece that requires the use of a roller, and the cooperation of the prism 20 helps to stabilize the plug-in installation and reduce the impact of rotation slippage.

[0047] Furthermore, the main shaft 2 is sleeved with a bearing 21 , the inner ring of the bearing 21 is welded and fixed to the main shaft 2 , and the outer diameter of the bearing 21 is smaller than the outer diameter of the roller body 1 .

[0048] In the present invention, by providing the bearing 21, the bearing 21 is convenient for contact and cooperation with the corresponding connecting piece during the overall installation, thereby increasing the flexibility of overall rotation.

[0049] In addition, the through grooves 12 are distributed in a circular shape with equal intervals, and the through grooves 12 connect the internal space of the roller body 1 with the external space.

[0050] In the utility model, the through groove 12 is provided to facilitate ventilation and heat dissipation inside the roller body 1, reducing the influence of internal heat accumulation, and the roller body 1 is hollow inside, which reduces the manufacturing cost of the roller body 1 and saves manufacturing materials.

[0051] Among them, a rubber sleeve is sleeved on the outer wall of the sleeve 3 to increase the friction of the sleeve 3 and help to perform traction cooperation.

[0052] When the roller structure of this embodiment is in use, the user manually combines and connects the main shaft 2 with the bearing 21 and the roller body 1, and combines and connects the prism 20 and the end of the main shaft 2. The sleeve 3 is combined and installed with the roller body 1 with the cooperation of the clamping plate 31, and the sliding column 30 on the sleeve 3 is plugged and matched with the sliding groove 10 to achieve stable plugging of the sleeve 3 with the roller body 1, and helps the clamping plate 31 and the clamping groove 11 to correspondingly plug and match, and then the fastening bolt 311 is passed through the through hole 310 and threadedly connected with the screw hole 110 to achieve fixed combination of the sleeve 3 and the roller body 1. When used for a long time, the sleeve 3 wears out and needs to be replaced. The fastening bolt 311 is taken out, and the sleeve 3 is taken out and replaced, avoiding overall replacement and saving resources. The roller body 1 is fixedly installed with the workpiece connected to the outside world through the prism 20 to achieve stable rotation cooperation. The overall combination is convenient to install, and the sleeve 3 is easy to replace and install, saving costs.

[0053] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A roller structure, comprising a roller body (1), wherein both ends of the roller body (1) are provided with a main shaft (2), and a sleeve (3) is sleeved on the outer wall of the roller body (1), characterized in that: The roller body (1) has a plurality of slide grooves (10) formed on its outer wall, a plurality of through grooves (12) formed at both ends of the roller body (1), a prism (20) formed at each outer end of the main shaft (2), a slide column (30) formed on the inner wall of the sleeve (3) at a position corresponding to the slide groove (10), a plurality of clamping plates (31) formed at one side end of the sleeve (3), and a clamping groove (11) formed on the end of the roller body (1) at a position corresponding to the clamping plate (31).

2. The roller structure according to claim 1, characterized in that: The clamping plates (31) are distributed in a ring-shaped manner with equal spacing, and the clamping plates (31) and the sleeve (3) are an integrally formed structure, and the width of the outer wall of the clamping plate (31) is compatible with the width of the inner wall of the clamping slot (11).

3. The roller structure according to claim 2, characterized in that: The clamping plate (31) is provided with a through hole (310), the through holes (310) are provided with a fastening bolt (311), and the clamping slot (11) is provided with a screw hole (110) at a position corresponding to the through hole (310).

4. The roller structure according to claim 1, characterized in that: The slide columns (30) are distributed in a ring-shaped manner at equal intervals; the width of the outer wall of the slide column (30) matches the width of the inner wall of the slide groove (10); and the slide column (30) and the sleeve (3) are an integrally formed structure.

5. The roller structure according to claim 1, characterized in that: One end of the main shaft (2) is welded and fixed to the roller body (1), and the other end of the main shaft (2) is welded and fixed to the prism (20).

6. The roller structure according to claim 5, characterized in that: The main shafts (2) are sleeved with bearings (21), the inner rings of the bearings (21) are welded and fixed to the main shafts (2), and the outer diameter of the bearings (21) is smaller than the outer diameter of the roller body (1).

7. The roller structure according to claim 1, characterized in that: The through grooves (12) are distributed in a ring-shaped manner at equal intervals, and the through grooves (12) connect the internal space of the roller body (1) with the external space.

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