Tool for assembling guide roller

Abstract

The utility model discloses a tool for assembling a guide roller. The tool comprises a base, a containing groove, an oil cylinder, a supporting block, a clamping groove, a movable base, a first screw rod, a guide groove, an end cover, a motor and a bearing installation mechanism. The bearing heat expansion device has the advantages of being reasonable and simple in structure, low in production cost, convenient to install and complete in function, a plurality of heating rods arranged in the bearing heat expansion device can heat a bearing, and therefore following assembly of the bearing can be facilitated through the heat expansion effect, difficulty in the bearing assembly process is reduced, and then assembly efficiency is improved; according to the utility model, the bearings are inserted into the cylindrical surfaces on the two sides of the guide roller along the mandrel, so that the phenomenon that the bearings are inclined in the mounting process is avoided, and the mounting precision of the bearings is also improved; according to the utility model, all the screw rods II can be driven to rotate together by rotating the rotating head, so that the annular body can move, unused bearings can be pushed out from the bearing clamping groove, and the convenience in use is further improved.

Description

Technical field:

[0001] The utility model relates to the technical field of guide roller assembly, in particular to a tool for guide roller assembly. Background technology:

[0002] At present, when assembling guide rollers, the bearings are often installed by hammering one by one manually, and it is difficult to ensure the stress degree and concentricity of the bearings on both sides of the same guide roller after installation. Furthermore, the installation conditions and states of the two guide rollers that cooperate with each other at the same position are also different, which easily causes uneven stress inside the guide roller or two guide rollers at the same position. For example, the existing Chinese utility model patent with patent number CN 217225360 U discloses a guide roller assembly tool, which is troublesome and inconvenient for bearing installation, and the installation accuracy is also relatively poor. Utility model content:

[0003] The purpose of the utility model is to provide a guide roller assembly tool in order to solve the above problems, which solves the problem that the existing guide roller assembly tool is troublesome and inconvenient for bearing installation and the installation accuracy is also relatively poor.

[0004] In order to solve the above problems, the utility model provides a technical solution: a tooling for assembling guide rollers, comprising a base, a placement groove, an oil cylinder, a support block, a clamping groove, a movable seat, a screw rod, a guide groove, an end cover, a motor and a bearing mounting mechanism; a placement groove is provided in the center of the upper side of the base, and clamping grooves are provided on both the left and right sides of the placement groove; there are two oil cylinders, which are respectively fixedly connected to the left and right sides of the bottom surface of the placement groove, and the ends of the piston rods on the upper sides of the two oil cylinders are fixedly connected to the support blocks; there are two guide grooves, which are respectively provided on the left and right sides of the base On the right two sides, the outer openings of the two guide grooves are fixedly connected with end covers, and the outsides of the end covers are fixedly connected with motors; there are two screw rods, and the two screw rods are movably connected to the center of the corresponding guide grooves, and the outer centers of the two screw rods are fixedly connected to the corresponding inner output shafts of the motors; there are two movable seats, and the outer parts of the lower sides of the two movable seats are movably connected to the inside of the corresponding guide grooves, and the threaded holes arranged on the lower sides of the two movable seats are respectively connected to the corresponding screw rods, and symmetrical bearing mounting mechanisms are arranged inside the upper sides of the two movable seats.

[0005] Preferably, the specific structure of the bearing installation mechanism includes a guide hole 1, a fixed cover, a limit block, a spring, a guide hole 2, a heating rod, a core shaft, a rotating head, a driving gear, a ring gear, a driven gear, an annular groove, a screw 2, an annular body, an elastic sleeve and a bearing slot; the guide hole 1 is horizontally opened inside the upper side of the movable seat, a bearing slot is provided at the right opening of the guide hole 1, and an annular groove is provided on the left side of the bearing slot; the fixed cover is fixedly connected to the left opening of the guide hole 1, and the right center of the fixed cover is fixedly connected to the limit block; the guide hole 2 is provided inside the left center of the core shaft, and the inside of the guide hole 2 is movably connected to the right outside of the limit block, and a spring is provided between the right inside of the limit block and the right side of the guide hole 2. Heating rods are fixedly connected to the inside of the right side of the core shaft; the annular gear is movably connected to the central inside of the upper side of the movable seat; the driving gear is movably connected to the inside of the upper side of the movable seat, the driving gear is connected to the outer tooth portion of the annular gear, and a rotating head is fixedly connected to the central axis of the upper side of the driving gear; there are several screw rods 2, and several screw rods 2 are respectively and evenly movably connected to the inside of the annular groove, and several screw rods 2 are fixedly connected to the outside of the left side, and the driven gears are connected to the inner tooth portion of the annular gear; the outside of the annular body is movably connected to the inside of the annular groove, and several threaded holes are provided in the left side of the annular body, and the threaded holes are respectively connected to the corresponding screw rods 2; the elastic sleeve is provided in the bearing slot.

[0006] Preferably, the right side of the limit block is T-shaped.

[0007] Preferably, a hexagonal hole is provided in the center of the outer side of the rotating head.

[0008] Preferably, the motor is a reduction motor.

[0009] Beneficial effects of the utility model:

[0010] (1) The utility model has a reasonable and simple structure, low production cost, easy installation, and complete functions. The several heating rods provided here can heat the bearing, thereby facilitating the subsequent assembly of the bearing through thermal expansion, thereby reducing the difficulty of the bearing assembly process and improving the assembly efficiency.

[0011] (2) In the present invention, since the bearings are inserted into the cylindrical surfaces on both sides of the guide roller along the core shaft, it is ensured that the bearings will not tilt during installation, thereby improving the accuracy of bearing installation.

[0012] (3) The rotating rotating head in the utility model can drive all the screw rods to rotate together, thereby enabling the annular body to move, and thus enabling the unused bearings to be pushed out of the bearing slots, thereby improving the convenience during use.

[0013] (4) The oil cylinder provided in the utility model can extend to enable the support block to lift the guide roller, thereby facilitating the removal of the assembled guide roller, thereby further improving the convenience during use. Description of the drawings:

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the bearing mounting mechanism.

[0016] 1-base; 2-placement groove; 3-oil cylinder; 4-support block; 5-slot; 6-movable seat; 7-screw rod 1; 8-guide groove; 9-end cover; 10-motor; 11-bearing installation mechanism; 111-guide hole 1; 112-fixed cover; 113-limiting block; 114-spring; 115-guide hole 2; 116-heating rod; 117-core shaft; 118-rotating head; 119-driving gear; 1110-ring gear; 1111-driven gear; 1112-ring groove; 1113-screw rod 2; 1114-ring body; 1115-elastic sleeve; 1116-bearing slot. Specific implementation method:

[0017] like Figure 1 As shown, this specific embodiment adopts the following technical scheme: a tooling for assembling a guide roller, comprising a base 1, a placement groove 2, an oil cylinder 3, a support block 4, a clamping groove 5, a movable seat 6, a screw 7, a guide groove 8, an end cover 9, a motor 10 and a bearing mounting mechanism 11; a placement groove 2 is provided in the center of the upper side of the base 1, and clamping grooves 5 are provided on both the left and right sides of the placement groove 2; there are two oil cylinders 3, and the two oil cylinders 3 are respectively fixedly connected to the left and right sides of the bottom surface of the placement groove 2, and the ends of the piston rods on the upper sides of the two oil cylinders 3 are fixedly connected to the support block 4; there are two guide grooves 8, and the two guide grooves 8 are respectively provided on the base 1 On the left and right sides, the outer openings of the two guide grooves 8 are fixedly connected with end covers 9, and the outer sides of the end covers 9 are fixedly connected with motors 10; there are two screw rods 7, and the two screw rods 7 are movably connected to the centers of the corresponding guide grooves 8, and the outer centers of the two screw rods 7 are fixedly connected to the inner output shafts of the corresponding motors 10; there are two movable seats 6, and the outer sides of the two movable seats 6 are movably connected to the inside of the corresponding guide grooves 8, and the threaded holes arranged on the lower sides of the two movable seats 6 are connected to the corresponding screw rods 7, and symmetrical bearing mounting mechanisms 11 are arranged inside the upper sides of the two movable seats 6.

[0018] like Figure 2As shown, the specific structure of the bearing installation mechanism 11 includes a guide hole 111, a fixed cover 112, a limit block 113, a spring 114, a guide hole 115, a heating rod 116, a core shaft 117, a rotating head 118, a driving gear 119, a ring gear 1110, a driven gear 1111, an annular groove 1112, a screw 1113, an annular body 1114, an elastic sleeve 1115 and a bearing groove 1116; the guide hole 111 is horizontally opened inside the upper side of the movable seat 6, A bearing slot 1116 is provided at the right opening of the guide hole 111, and an annular groove 1112 is provided on the left side of the bearing slot 1116; the fixing cover 112 is fixedly connected to the left opening of the guide hole 111, and a limit block 113 is fixedly connected to the right center of the fixing cover 112; a guide hole 2 115 is provided inside the left center of the mandrel 117, and the inside of the guide hole 2 115 is movably connected to the right outside of the limit block 113, and the right inside of the limit block 113 is movably connected to the right of the guide hole 2 115. A spring 114 is provided between the sides, and a heating rod 116 is fixedly connected to the inner part of the right side of the core shaft 117; the ring gear 1110 is movably connected to the inner part of the upper center of the movable seat 6; the driving gear 119 is movably connected to the inner part of the upper side of the movable seat 6, and the driving gear 119 is connected to the outer tooth portion of the ring gear 1110, and a rotating head 118 is fixedly connected to the central axis of the upper side of the driving gear 119; there are several screw rods 1113, and the several screw rods 1113 are respectively The annular groove 1112 is evenly and movably connected, and the left sides of several screw rods 1113 are fixedly connected with driven gears 1111, and the driven gears 1111 are connected to the inner teeth of the ring gear 1110; the annular body 1114 is movably connected to the annular groove 1112, and the left side of the annular body 1114 is provided with several threaded holes, and the threaded holes are respectively connected to the corresponding screw rods 1113; the elastic sleeve 1115 is provided in the bearing slot 1116.

[0019] The right side of the limit block 113 is T-shaped; a hexagonal hole is provided in the center of the outer side of the rotating head 118, so that the rotating head 118 can be driven to rotate by an electric hexagonal wrench; and the motor 10 is a reduction motor.

[0020] The use state of the utility model is as follows: the utility model has a reasonable and simple structure, low production cost, convenient installation, and complete functions. When in use, firstly, the two bearings are respectively inserted into the corresponding bearing slots 1116, and the core shaft 117 can also be inserted into the bearing. The several heating rods 116 provided here can heat the bearing, so that the subsequent assembly of the bearing can be facilitated by the thermal expansion effect, which also reduces the difficulty of the bearing assembly process, thereby improving the assembly efficiency, and then starting the motor 10 to drive the screw 7 to rotate, and the rotation of the screw 7 makes the movable seat 6 as a whole close to the two sides of the guide roller, and as the core shaft 117 is blocked by the movable seat 6 Continuing to move will install the bearings on the cylindrical surfaces on both sides of the guide roller. Since the bearings are inserted into the cylindrical surfaces on both sides of the guide roller along the core shaft 117, it is ensured that the bearings will not tilt during installation, thereby improving the accuracy of bearing installation. The rotating rotating head 118 can drive all the screw rods 1113 to rotate together, so that the annular body 1114 can move, and the unused bearings can be pushed out of the bearing slot 1116, thereby improving the convenience during use. In addition, the oil cylinder 3 can extend the support block 4 to lift the guide roller, thereby facilitating the removal of the assembled guide roller, thereby further improving the convenience during use.

[0021] The control method in the present invention is to start manually or control by existing automation technology. The wiring diagram of the power element and the provision of power supply belong to the common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0022] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" 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 device or element referred to 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.

[0023] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0024] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A tool for assembling a guide roller, characterized in that: It comprises a base (1), a placement groove (2), an oil cylinder (3), a support block (4), a clamping groove (5), a movable seat (6), a screw rod (7), a guide groove (8), an end cover (9), a motor (10) and a bearing mounting mechanism (11); A placement groove (2) is provided at the center of the upper side of the base (1), and a clamping groove (5) is provided on both left and right side surfaces of the placement groove (2); There are two oil cylinders (3), and the two oil cylinders (3) are respectively fixedly connected to the inside of the left and right sides of the bottom surface of the placement groove (2), and the ends of the upper piston rods of the two oil cylinders (3) are fixedly connected to support blocks (4); There are two guide grooves (8), which are respectively opened on the left and right sides of the base (1); the outer openings of the two guide grooves (8) are fixedly connected to end covers (9), and the outsides of the end covers (9) are fixedly connected to motors (10); There are two screw rods (7), and the two screw rods (7) are movably connected to the center of the corresponding guide groove (8), and the outer centers of the two screw rods (7) are fixedly connected to the inner output shaft of the corresponding motor (10); There are two movable seats (6), the lower sides of the two movable seats (6) are movably connected to the corresponding guide grooves (8), the threaded holes arranged on the lower sides of the two movable seats (6) are connected to the corresponding screw rods (7), and the upper sides of the two movable seats (6) are internally provided with symmetrical bearing installation mechanisms (11).

2. The guide roller assembly tool according to claim 1, characterized in that: The specific structure of the bearing installation mechanism (11) comprises a guide hole 1 (111), a fixing cover (112), a limit block (113), a spring (114), a guide hole 2 (115), a heating rod (116), a core shaft (117), a rotating head (118), a driving gear (119), a ring gear (1110), a driven gear (1111), an annular groove (1112), a screw rod 2 (1113), an annular body (1114), an elastic sleeve (1115) and a bearing groove (1116); The guide hole 1 (111) is horizontally opened inside the upper side of the movable seat (6); a bearing groove (1116) is provided at the right opening of the guide hole 1 (111), and an annular groove (1112) is provided on the left side surface of the bearing groove (1116); The fixed cover (112) is fixedly connected to the left opening of the guide hole 1 (111), and the right center of the fixed cover (112) is fixedly connected to a limiting block (113); A second guide hole (115) is provided in the center of the left side of the core shaft (117), and the inside of the second guide hole (115) is movably connected to the outside of the right side of the limit block (113), and a spring (114) is provided between the inside of the right side of the limit block (113) and the right side of the second guide hole (115), and a heating rod (116) is fixedly connected to the inside of the right side of the core shaft (117); The ring gear (1110) is movably connected to the inner center of the upper side of the movable seat (6); The driving gear (119) is movably connected to the interior of the upper side of the movable seat (6), the driving gear (119) is connected to the outer tooth portion of the ring gear (1110), and a rotating head (118) is fixedly connected to the central axis on the upper side of the driving gear (119); There are a plurality of screw rods 2 (1113), and the plurality of screw rods 2 (1113) are evenly and movably connected inside the annular groove (1112), and the left sides of the plurality of screw rods 2 (1113) are fixedly connected with driven gears (1111), and the driven gears (1111) are connected to the inner teeth of the annular gear (1110); The annular body (1114) is externally movably connected to the annular groove (1112), and a plurality of threaded holes are provided inside the left side of the annular body (1114), and the threaded holes are respectively connected to corresponding screw rods 2 (1113); The elastic sleeve (1115) is arranged inside the bearing slot (1116).

3. The guide roller assembly tool according to claim 2, characterized in that: The right side of the limiting block (113) is in a T shape.

4. The guide roller assembly tool according to claim 2, characterized in that: A hexagonal hole is provided at the center of the outer side of the rotating head (118).

5. The guide roller assembly tool according to claim 1, characterized in that: The motor (10) is a reduction motor.

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