Adjustable roller

Abstract

The utility model discloses an adjustable roller which comprises a roller body, connecting shafts are connected to the inner walls of the two sides of the roller body in a sliding mode, during installation, a plugging block is taken down, air is injected into a filling groove, and then a push rod drives one connecting shaft to move and enter the roller body; when one connecting shaft moves, one rack is driven to move so as to enable a transmission gear to rotate, the transmission gear drives the other rack to move so as to enable the other connecting shaft to move and enter the roller body, and when the connecting shafts move to the clamping grooves and the clamping blocks to be located on the same straight line, second springs reset to drive the clamping blocks to enter the clamping grooves. The connecting shaft is fixed, the overall length of the roller can be changed, the roller is moved to the mounting plate with the bearing to be mounted, the clamping block is pulled to enable the clamping groove to be separated from the clamping block, the connecting shaft can be driven to extend out of the roller body and enter the bearing to be fixed through resetting of the first spring, and mounting and dismounting are convenient.

Description

Technical Field

[0001] The utility model relates to the field of rollers, in particular to an adjustable roller. Background Art

[0002] Roller is the main working part and tool on the rolling mill that causes continuous plastic deformation of metal. Roller is mainly composed of three parts: roll body, roll neck and shaft head. Roller body is the middle part of the roll that actually participates in rolling metal. It has a smooth cylindrical or grooved surface. Roller neck is installed in the bearing and transmits the rolling force to the frame through the bearing seat and the press device.

[0003] The present application is an improvement on the prior art. In the prior art, the length of the current rolling mill is fixed, which means that when installing the rolling mill, the mounting plate containing the bearings on the rolling mill needs to be disassembled first so that one end of the rolling mill can be installed first. After the installation, the disassembled mounting plate needs to be installed to install the other end of the rolling mill, which makes it inconvenient to install the rolling mill. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides an adjustable roller.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A kind of adjustable roller comprises a roller body, the inner walls on both sides of the roller body are slidably connected with connecting shafts, the roller body is rotatably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly sleeved with a transmission gear, two groups of connecting shafts are fixedly connected with mounting rods on the sides close to each other, and the two mounting rods are symmetrically distributed around the center, the inner walls of the mounting rods are slidably connected with movable rods, and one end of the movable rod extending out of the mounting rod is fixedly connected with the connecting shaft, the side of the mounting rod close to the transmission gear is fixedly connected with a rack, and the rack is meshed with the transmission gear, a filling groove is opened on one side of the roller body, the inner wall of the filling groove is slidably connected with a piston, a push rod is fixedly connected to the piston, and the push rod is slidably connected to the roller body, and the other end of the push rod is fixedly connected to the connecting shaft.

[0007] As a further solution of the utility model: an air filling groove is opened on one side of the roller body, and the air filling groove is connected with the filling groove, and a blocking block is installed in the air filling groove.

[0008] As a further solution of the utility model: a slide groove is opened in the installation rod, the inner wall of the slide groove is slidably connected to the movable rod, one end of the movable rod extending into the slide groove is fixedly connected to a first spring, and the other end of the first spring is fixedly connected to the inner wall of the slide groove.

[0009] As a further solution of the utility model: a slot is provided at the top of one end of the two groups of connecting shafts that are away from each other, and symmetrically distributed blocks are slidably connected to both sides of the roller body, and the blocks are adapted to the slots, and a second spring is fixedly connected to the top of the block, and the other end of the second spring is fixedly connected to the roller body.

[0010] As a further solution of the utility model: symmetrically distributed guide grooves are provided on both sides of the connecting shaft, and guide blocks are fixedly connected to the inner walls on both sides of the roller body, and the guide blocks are adapted to the guide grooves.

[0011] The utility model has the following beneficial effects:

[0012] In the utility model, during installation, the blocking block is removed and air is rushed into the filling groove. The air enters the filling groove and pushes the piston to move, thereby causing the push rod to drive one of the connecting shafts to move and enter the roller body. When one of the connecting shafts moves, it drives one of the racks to move, thereby causing the transmission gear to rotate, so that the transmission gear drives the other rack to move, thereby causing the other connecting shaft to move and enter the roller body. The two groups of connecting shafts approach each other to cause the first spring to contract. When the connecting shaft moves to the point where the slot and the block are on the same straight line, the second spring resets and drives the block to enter the slot, thereby fixing the connecting shaft. The overall length of the roller can be changed, so that it can be moved to a mounting plate with a bearing for installation. The block is pulled to disengage the slot from the block. The reset of the first spring can drive the connecting shaft to extend out of the roller body and enter the bearing for fixation, thereby facilitating installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of an adjustable roller proposed by the utility model;

[0014] Figure 2 A side view of an adjustable roller proposed by the utility model;

[0015] Figure 3 For the utility model Figure 1 A is an enlarged structural diagram of FIG.

[0016] Legend:

[0017] Roller body 1, connecting shaft 2, guide groove 3, transmission gear 4, rotating shaft 5, movable rod 6, mounting rod 7, first spring 8, slide groove 9, second spring 10, clamping block 11, guide block 12, rack 13, filling groove 14, piston 15, push rod 16, inflation groove 17, blocking block 18, clamping groove 19. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] Reference Figure 1-3 The utility model provides an adjustable roller, including a roller body 1, the inner walls of both sides of the roller body 1 are slidably connected with connecting shafts 2, the roller body 1 is rotatably connected with a rotating shaft 5, the outer wall of the rotating shaft 5 is fixedly sleeved with a transmission gear 4, the two sets of connecting shafts 2 are fixedly connected with mounting rods 7 on the sides close to each other, and the two mounting rods 7 are symmetrically distributed in the center, the inner wall of the mounting rod 7 is slidably connected with a movable rod 6, and one end of the movable rod 6 extending from the mounting rod 7 is fixedly connected with the connecting shaft 2, the side of the mounting rod 7 close to the transmission gear 4 is fixedly connected with a rack 13, and the rack 13 is meshed with the transmission gear 4, a filling groove 14 is opened on one side of the roller body 1, and a piston 15 is slidably connected to the inner wall of the filling groove 14, a push rod 16 is fixedly connected to the piston 15, and the push rod 16 is slidably connected to the roller body 1, and the other end of the push rod 16 is fixedly connected to the connecting shaft 2.

[0021] An air filling groove 17 is provided on one side of the roller body 1 , and the air filling groove 17 is communicated with the filling groove 14 , and a blocking block 18 is installed in the air filling groove 17 .

[0022] A slide groove 9 is provided in the mounting rod 7 , and the inner wall of the slide groove 9 is slidably connected to the movable rod 6 . One end of the movable rod 6 extending into the slide groove 9 is fixedly connected to a first spring 8 , and the other end of the first spring 8 is fixedly connected to the inner wall of the slide groove 9 .

[0023] A slot 19 is provided at the top of the ends of the two sets of connecting shafts 2 that are away from each other. Symmetrically distributed blocks 11 are slidably connected to both sides of the roller body 1, and the blocks 11 are adapted to the slots 19. A second spring 10 is fixedly connected to the top of the block 11, and the other end of the second spring 10 is fixedly connected to the roller body 1.

[0024] Symmetrically distributed guide grooves 3 are provided on both sides of the connecting shaft 2 , and guide blocks 12 are fixedly connected to the inner walls on both sides of the roller body 1 , and the guide blocks 12 are adapted to the guide grooves 3 .

[0025] Working principle:

[0026] In the present application, during installation, the blocking block 18 is removed, and air is rushed into the filling groove 14. The air enters the filling groove 14 and pushes the piston 15 to move, thereby causing the push rod 16 to drive one of the connecting shafts 2 to move and enter the roller body 1. When one of the connecting shafts 2 moves, it drives one of the racks 13 to move, thereby causing the transmission gear 4 to rotate, so that the transmission gear 4 drives the other rack 13 to move, thereby causing the other connecting shaft 2 to move and enter the roller body 1. The two groups of connecting shafts 2 approach each other, causing the first spring 8 to contract. When the connecting shaft 2 moves to the point where the slot 19 and the block 11 are on the same straight line, the second spring 10 is reset to drive the block 11 to enter the slot 19, so that the connecting shaft 2 is fixed, and the overall length of the roller can be changed, so that it can be moved to the mounting plate with a bearing for installation, and the block 11 is pulled to disengage the slot 19 from the block 11. The reset of the first spring 8 can drive the connecting shaft 2 to extend out of the roller body 1 and enter the bearing for fixation, which is convenient for installation and disassembly.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable roller, comprising a roller body (1), characterized in that: The inner walls of both sides of the roller body (1) are slidably connected to connecting shafts (2), a rotating shaft (5) is rotatably connected inside the roller body (1), a transmission gear (4) is fixedly sleeved on the outer wall of the rotating shaft (5), and the two groups of connecting shafts (2) are fixedly connected to the sides close to each other with mounting rods (7), and the two mounting rods (7) are symmetrically distributed in the center, and the inner walls of the mounting rods (7) are slidably connected to movable rods (6), and one end of the movable rod (6) extending out of the mounting rod (7) is fixedly connected to the connecting shaft (2). A rack (13) is fixedly connected to the side of the mounting rod (7) close to the transmission gear (4), and the rack (13) meshes with the transmission gear (4). A filling groove (14) is provided on one side of the roller body (1), and a piston (15) is slidably connected to the inner wall of the filling groove (14). A push rod (16) is fixedly connected to the piston (15), and the push rod (16) is slidably connected to the roller body (1), and the other end of the push rod (16) is fixedly connected to the connecting shaft (2).

2. An adjustable roller according to claim 1, characterized in that: An air filling groove (17) is provided on one side of the roller body (1), and the air filling groove (17) is connected to the filling groove (14), and a sealing block (18) is installed in the air filling groove (17).

3. The adjustable roller according to claim 1, characterized in that: A slide groove (9) is provided in the installation rod (7), and the inner wall of the slide groove (9) is slidably connected to the movable rod (6); one end of the movable rod (6) extending into the slide groove (9) is fixedly connected to a first spring (8), and the other end of the first spring (8) is fixedly connected to the inner wall of the slide groove (9).

4. The adjustable roller according to claim 1, characterized in that: A clamping groove (19) is provided at the top of one end of the two groups of connecting shafts (2) that are away from each other, and symmetrically distributed clamping blocks (11) are slidably connected to both sides of the roller body (1), and the clamping blocks (11) are adapted to the clamping grooves (19). A second spring (10) is fixedly connected to the top of the clamping block (11), and the other end of the second spring (10) is fixedly connected to the roller body (1).

5. The adjustable roller according to claim 1, characterized in that: The connecting shaft (2) is provided with symmetrically distributed guide grooves (3), and the inner walls on both sides of the roller body (1) are fixedly connected with guide blocks (12), and the guide blocks (12) are adapted to the guide grooves (3).

Images