Multipurpose shaft sleeve press-fitting tool facilitating threaded positioning
By designing a multi-purpose bushing press-fitting fixture, and utilizing a combination of cylinder, press-fitting rod, and internal thread positioning block, the problems of low compatibility and positioning accuracy of bushing press-fitting in the existing technology are solved, and stable press-fitting and efficient positioning of bushings of different specifications are achieved.
Patent Information
- Application Number
- CN202520136314.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing bushing press-fitting fixtures are difficult to adapt to bushings of different specifications and sizes, have low positioning accuracy, and poor versatility.
A multi-purpose bushing press-fitting fixture was designed, comprising a tooling table, a cylinder frame, a guide frame, a press-fitting frame, and a positioning component. It utilizes the cooperation of a cylinder and a press-fitting rod, and achieves stable press-fitting of bushings of different specifications and sizes through an internal threaded positioning block, while combining a buffer spring to reduce impact force.
It improves the positioning accuracy and adaptability of the bushing, enhances the versatility of the tooling, and increases the pressing efficiency and utilization rate.
Smart Images
Figure CN223748965U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to axle sleeve press -fitting frock technical field especially relates to a multi -purpose axle sleeve press -fitting frock convenient to screw formula positioning. BACKGROUND
[0002] The axle sleeve, also known as bearing sleeve or ring, is one of the commonly used parts in machinery. It is mainly used to protect the shaft, support the shaft or other parts, reduce friction and wear, and help maintain precise running cooperation. The axle sleeve is usually used for the connection between the shaft and other parts, which can effectively bear pressure and stress. The installation of the axle sleeve can be carried out by press -fitting, hot -fitting and other ways, and the specific method depends on the cooperation mode between the shaft and the axle sleeve, such as interference fit, clearance fit, etc. When the axle sleeve is press -fitted, a special frock is needed to press -fit the axle sleeve. The axle sleeve press -fitting frock in the prior art can only press -fit the axle sleeve of fixed specifications and sizes, and cannot be well adapted to axle sleeves of different specifications and sizes, so the frock has poor versatility. At the same time, the axle sleeve is mostly positioned by single -structure inner hole positioning method or outer circle positioning method during press -fitting operation, so the precision of the axle sleeve during positioning is low. Therefore, we specially propose a multi -purpose axle sleeve press -fitting frock convenient to screw formula positioning. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at the problems in the background art, and provides a multi -purpose axle sleeve press -fitting frock convenient to screw formula positioning.
[0004] The technical scheme of the utility model: a multi -purpose axle sleeve press -fitting frock convenient to screw formula positioning, including frock table, the upper portion of frock table is provided with cylinder frame, the upper portion of cylinder frame is provided with guide frame, the guide frame includes four groups of guide rods, both ends of guide rod are provided with connecting plate, the upper portion of cylinder frame is provided with cylinder between four groups of guide rods, the upper portion of frock table is located below cylinder frame and is provided with press -fitting frame, the press -fitting frame is provided with press -fitting rod and penetrates, the outer ring of press -fitting rod is located on the upper portion of the one side of press -fitting frame and is provided with buffer spring, the inside of the inner wall of three groups of positioning blocks that the upper portion of frock table is provided with is provided with internal thread, the lower portion of each positioning block is provided with adjusting rod, the lower portion of adjusting disc is provided with positioning base plate, the lower portion of adjusting disc is provided with connecting block, the outer side of connecting block is toothed, the one side of connecting block is provided with adjusting shaft between adjusting disc and positioning base plate, the one end of adjusting shaft is provided with bevel gear.
[0005] Preferably, the fixed seat is arranged at four end corners above the tooling table, the cylinder frame comprises four groups of supporting rods, the mounting end of the supporting rod is arranged in correspondence with the fixed seat, the top end of the four groups of supporting rods is provided with a horizontal plate, four groups of guide holes are formed in the horizontal plate, a damping sleeve is arranged in each of the four groups of guide holes, and the outer ring of the guide rod is arranged in correspondence with the inner wall of the damping sleeve.
[0006] Preferably, the two groups of connecting plates are arranged in correspondence with the two ends of the guide rod on the upper and lower sides of the horizontal plate, a through hole is formed in one group of the guide rods, the mounting end of the cylinder is arranged in correspondence with one side above the horizontal plate, the other group of the guide rods is provided with an axle seat, an axle hole is formed in the horizontal plate, and the output end of the cylinder is arranged in correspondence with the axle seat through the axle hole.
[0007] Preferably, supporting legs are arranged at four end corners between the pressing frame and the tooling table, a through hole is formed in the pressing frame, the outer ring of the pressing rod is matched with the through hole, one end of the buffer spring is arranged in correspondence with one side of the pressing frame, the other end of the buffer spring is arranged in correspondence with one end of the pressing rod, and a limiting pin is arranged at the end of the pressing rod away from the buffer spring.
[0008] Preferably, an installation groove is formed in the lower portion of the tooling table, the outer periphery of the adjusting disc is arranged in correspondence with the installation groove, three guide grooves are formed in the tooling table, three adjusting grooves are formed in the adjusting disc, the mounting end of the adjusting rod is arranged in correspondence with the lower side of the positioning block, and the adjusting rod is arranged in correspondence with the guide groove and the adjusting groove.
[0009] Preferably, the mounting end of the positioning base plate is arranged in correspondence with the inner wall of the installation groove, the upper side of the positioning base plate is matched with the lower side of the adjusting disc, and the mounting end of the connecting block is arranged in correspondence with the lower side of the adjusting disc.
[0010] Preferably, an assembly hole is formed in the positioning base plate, a limiting block is arranged at the position of the assembly hole in the positioning base plate, the adjusting shaft is arranged in correspondence with the assembly hole and the limiting block, the bevel gear is matched with the teeth, and a rotating ring handle is arranged at the end of the adjusting shaft away from the bevel gear.
[0011] Compared with the prior art, the tooling device has the following beneficial technical effects:
[0012] The tooling device has the advantages of simple overall structure, convenient operation, the positioning assembly can be used for thread fixing and positioning of shaft sleeves of different specifications and sizes, the positioning accuracy of the shaft sleeve is improved, the pressing operation of the thread-fixed shaft sleeve can be performed through cooperation of the cylinder and the pressing rod, the tooling device can be used for pressing operation of shaft sleeves of various sizes, the tooling device has multiple uses, the adaptability of the tooling device and the shaft sleeve is improved, and the use rate is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is the whole structure schematic view of the utility model;
[0014] Fig. 2 It is the partial area sectional view of the utility model;
[0015] Fig. 3 It is the partial area structure explosion drawing of positioning assembly in the utility model.
[0016] Reference signs: 1, tooling table;2, cylinder frame;21, support rod;22, cross plate;3, guide frame;31, guide rod;32, connecting plate;4, air cylinder;5, press mounting frame;6, press mounting rod;7, buffer spring;8, positioning assembly;81, adjusting disc;811, connecting block;812, tooth;82, positioning block;821, internal thread;822, adjusting rod;83, positioning base plate;84, adjusting pivot;841, bevel gear;842, limit block;843, rotating ring handle;9, fixed seat;10, damping sleeve;11, shaft seat;12, limit pin;13, guide groove;14, adjusting groove. DETAILED DESCRIPTION
[0017] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.
[0018] EMBODIMENT
[0019] As Figs. 1-3The utility model provides a multi -purpose axle sleeve press -fitting frock of thread formula positioning convenient to, including frock table 1, frock table 1 top is provided with cylinder frame 2, frock table 1 top is located four end angle position department all is provided with fixed base 9, fixed base 9 is connected with frock table 1 fixedly, cylinder frame 2 includes four groups of support rod 21, the mounting end of support rod 21 corresponds with fixed base 9 and installs, and one end of support rod 21 is connected with fixed base 9 fixedly, and the top of four groups of support rod 21 is provided with horizontal plate 22, and one side of horizontal plate 22 is fixedly connected with the top of support rod 21, and the setting of fixed base 9 can make cylinder frame 2 stable assembly on frock table 1, and be provided with guide frame 3 on cylinder frame 2, and guide frame 3 includes four groups of guide rod 31, and four groups of guide hole are seted up on horizontal plate 22, and four groups of guide hole all are provided with damping sleeve 10, and the mounting end of damping sleeve 10 is fixedly connected with guide hole, and the outer ring of guide rod 31 corresponds with the inner wall of damping sleeve 10 and installs, and guide rod 31 is connected with damping sleeve 10 slidingly, and both ends of guide rod 31 all are provided with connecting plate 32, and two groups of connecting plate 32 are located the upper and lower sides of horizontal plate 22 and correspond with the both ends of guide rod 31 and install, and connecting plate 32 is connected with guide rod 31 fixedly, and be provided with cylinder 4 between four groups of guide rod 31 on cylinder frame 2, and a group of guide rod 31 is provided with through -hole, and the mounting end of cylinder 4 corresponds with the upper side of horizontal plate 22 and installs, and the mounting end of cylinder 4 is fixedly connected with horizontal plate 22, and another group of guide rod 31 is provided with shaft seat 11, and shaft seat 11 is connected with guide rod 31 fixedly, and shaft hole is seted up on horizontal plate 22, and the output of cylinder 4 passes through shaft hole and corresponds with shaft seat 11 and installs, and the output of cylinder 4 is fixedly connected with shaft seat 11, and the setting of guide frame 3 can guide movement to cylinder 4, to make cylinder 4 when more stable when carrying out press -fitting operation to axle sleeve, and be provided with press -fitting frame 5 below cylinder frame 2 on the top of frock table 1, and support leg 51 is seted up between press -fitting frame 5 and frock table 1 at four end angle positions, and one end of support leg 51 is connected with press -fitting frame 5 fixedly, and the other end of support leg 51 is connected with frock table 1 fixedly, and the setting of support leg 51 can stably support press -fitting frame 5, and press -fitting rod 6 is seted up in penetrating on press -fitting frame 5, and through -hole is seted up on press -fitting frame 5, and the outer ring of press -fitting rod 6 and through -hole mutually fit, and press -fitting rod 6 is connected with press -fitting frame 5 slidingly through through -hole, and the outer ring of press -fitting rod 6 is provided with buffer spring 7 on the upper side of press -fitting frame 5, and one end of buffer spring 7 corresponds with the side of press -fitting frame 5 and installs, and one end of buffer spring 7 is fixedly connected with press -fitting frame 5, and the other end of buffer spring 7 corresponds with the one end of press -fitting rod 6 and installs, and the other end of buffer spring 7 is fixedly connected with press -fitting rod 6, and the setting of buffer spring 7 can make press -fitting rod 6 carry out buffering when carrying out press -fitting operation to axle sleeve, and reduce the impact force when cylinder 4 pushes press -fitting rod 6 through guide frame 3, to can protect axle sleeve, and simultaneously under the reset action of buffer spring 7, can make press -fitting rod 6 reset after carrying out press -fitting operation to axle sleeve, and one end of press -fitting rod 6 is provided with limit pin 12 far from buffer spring 7,The limiting pin 12 is fixedly connected with the pressing rod 6, the limiting pin 12 can limit the pressing rod 6 when the pressing rod 6 is reset by the buffer spring 7, and the shaft sleeve can be pressed by the cooperation of the air cylinder 4, the pressing rod 6, the pressing frame 5 and the buffer spring 7,
[0020] The tooling table 1 is provided with a positioning assembly 8, the positioning assembly 8 comprises an adjusting disc 81 located below the tooling table 1, the lower portion of the tooling table 1 is provided with a mounting groove, the outer periphery of the adjusting disc 81 is correspondingly mounted with the mounting groove, the adjusting disc 81 is rotationally connected with the mounting groove, the upper portion of the tooling table 1 is provided with three sets of positioning blocks 82, the lower portion of the positioning block 82 is mutually attached with the upper surface of the tooling table 1, the inner wall of the three sets of positioning blocks 82 is provided with an internal thread 821, the internal thread 821 is mutually adapted with the external thread on the shaft sleeve, the internal thread 821 on the three sets of positioning blocks 82 is continuously arranged, the arrangement of the internal thread 821 can make the shaft sleeve be threadedly positioned when the pressing operation is performed, so that the shaft sleeve is more stable and accurate when placed, thereby improving the accuracy of the shaft sleeve pressing operation and improving the pressing efficiency, the lower portion of each positioning block 82 is provided with an adjusting rod 822, the mounting end of the adjusting rod 822 is correspondingly mounted with the lower portion of the positioning block 82, the adjusting rod 822 is fixedly connected with the positioning block 82, the tooling table 1 is provided with three sets of guide grooves 13, the adjusting disc 81 is provided with three sets of adjusting grooves 14, the adjusting rod 822 is correspondingly mounted with the guide groove 13 and the adjusting groove 14, the adjusting rod 822 is slidingly connected with the guide groove 13 and the adjusting groove 14 respectively, the arrangement of the guide groove 13 and the adjusting groove 14 can guide and limit the movement of the adjusting rod 822, so that the distance between the three sets of positioning blocks 82 can be adjusted through the adjusting rod 822, thereby the three sets of positioning blocks 82 can be adapted to positioning operations of shaft sleeves with different specifications and sizes, the lower portion of the adjusting disc 81 is provided with a positioning base plate 83, the mounting end of the positioning base plate 83 is correspondingly mounted with the inner wall of the mounting groove, the mounting end of the positioning base plate 83 is fixedly connected with the inner wall of the mounting groove, the upper portion of the positioning base plate 83 is mutually attached with the lower portion of the adjusting disc 81, the adjusting disc 81 can be rotationally operated between the positioning base plate 83 and the mounting groove, the lower portion of the adjusting disc 81 is provided with a connecting block 811, the mounting end of the connecting block 811 is correspondingly mounted with the lower portion of the adjusting disc 81, the connecting block 811 is fixedly connected with the adjusting disc 81, the outer side of the connecting block 811 is in the form of a tooth 812, the adjusting disc 81 is provided with an adjusting shaft 84 between the connecting block 811 and the positioning base plate 83, one end of the adjusting shaft 84 is provided in the form of a bevel gear 841, the positioning base plate 83 is provided with an assembly hole, the positioning base plate 83 is provided with a limiting block 842 at the position of the assembly hole, the adjusting shaft 84 is correspondingly mounted with the assembly hole and the limiting block 842 respectively, the limiting block 842 and the assembly hole are rotationally connected with the adjusting shaft 844 respectively, the arrangement of the limiting block 842 can position the adjusting shaft 84, the bevel gear 841 is mutually engaged with the tooth 812, the rotation of the bevel gear 841 can drive the adjusting disc 81 to rotate through the tooth 812, the end of the adjusting shaft 84 away from the bevel gear 841 is provided with a rotating ring handle 843, the rotating ring handle 843 is fixedly connected with the adjusting shaft 84, the arrangement of the rotating ring handle 843 facilitates the operator to rotate and adjust the adjusting shaft 84, the arrangement of the positioning assembly 8 can adapt to thread positioning operations of shaft sleeves with different specifications and sizes,Improve the positioning accuracy of the bushing, so that the bushing can be better for the press mounting operation.
[0021] In this embodiment, the operator first adjusts the three sets of positioning blocks 82 according to the size of the bushing to be pressed, and then rotates the adjusting shaft 84 by rotating the ring handle 843, which drives the adjusting disc 81 to rotate in the installation groove through the meshing action of the bevel gear 841 and the teeth 812. The adjusting disc 81 rotates through the adjusting groove 14 and the guide groove 13 on the tooling table 1 to extrude and guide the adjusting rod 822, thereby completing the synchronous adjustment of the three sets of positioning blocks 82. Then the operator rotates the internal thread 821 between the three sets of positioning blocks 82 corresponding to the bushing to install the bushing, and then the operator places the shaft corresponding to the position of the bushing, and then the operator energizes the cylinder 4. The cylinder 4 drives the top end of the pressing rod 6 through the connecting plate 32. At this time, the guide frame 3 limits and guides the movement of the cylinder 4 through the shaft seat 11. The pressing rod 6 is pushed by the connecting plate 32 and abuts against the shaft to be pressed. At this time, the buffer spring 7 is in a compressed state. The cylinder 4 continues to work to push the shaft with the pressing rod 6 and assemble the shaft with the bushing. Finally, the output shaft of the cylinder 4 is in a retracted state. At this time, the buffer spring 7 drives the pressing rod 6 to return to the initial state through the reset action, thereby completing the pressing operation of the bushing.
[0022] The above specific embodiments are only a preferred embodiment of the present application. Based on the technical scheme of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A multi-purpose bushing press-fitting fixture for easy threaded positioning, comprising a fixture table (1), characterized in that: A cylinder frame (2) is provided above the tooling table (1). A guide frame (3) is provided on the cylinder frame (2). The guide frame (3) includes four sets of guide rods (31). A connecting plate (32) is provided at both ends of the guide rods (31). A cylinder (4) is provided on the cylinder frame (2) between the four sets of guide rods (31). A pressing frame (5) is provided above the tooling table (1) and below the cylinder frame (2). A pressing rod (6) is provided through the pressing frame (5). A buffer spring (7) is provided on the outer ring of the pressing rod (6) on the side above the pressing frame (5). A positioning component (8) is provided inside the tooling table (1). The positioning component (8) includes a cylinder (4) located on the side above the pressing frame (5). The tooling table (1) has an adjustment plate (81) below it. Three sets of positioning blocks (82) are provided above the tooling table (1). The inner walls of the three sets of positioning blocks (82) are provided with internal threads (821). An adjustment rod (822) is provided below each set of positioning blocks (82). A positioning base (83) is provided below the adjustment plate (81). A connecting block (811) is provided below the adjustment plate (81). The outer side of the connecting block (811) is toothed (812). An adjustment shaft (84) is provided on one side of the connecting block (811) between the adjustment plate (81) and the positioning base (83). One end of the adjustment shaft (84) is beveled (841).
2. The multi-purpose bushing press-fitting fixture for easy threaded positioning according to claim 1, characterized in that, The tooling table (1) is equipped with fixed seats (9) at the four corner positions. The cylinder frame (2) includes four sets of support rods (21). The mounting ends of the support rods (21) are installed corresponding to the fixed seats (9). The top of the four sets of support rods (21) is provided with a horizontal plate (22). The horizontal plate (22) is provided with four sets of guide holes. The four sets of guide holes are provided with damping sleeves (10). The outer ring of the guide rod (31) is installed corresponding to the inner wall of the damping sleeve (10).
3. The multi-purpose bushing press-fitting fixture for easy threaded positioning according to claim 2, characterized in that, Two sets of connecting plates (32) are installed on the upper and lower sides of the horizontal plate (22) and corresponding to the two ends of the guide rod (31). One set of the guide rod (31) has a through hole, and the mounting end of the cylinder (4) is installed on the upper side of the horizontal plate (22). The other set of the guide rod (31) is provided with a shaft seat (11), and the horizontal plate (22) has a shaft hole. The output end of the cylinder (4) passes through the shaft hole and is installed corresponding to the shaft seat (11).
4. The multi-purpose bushing press-fitting fixture for easy threaded positioning according to claim 1, characterized in that, Support legs (51) are provided at the four corner positions between the pressing frame (5) and the tooling table (1). The pressing frame (5) has through holes. The outer ring of the pressing rod (6) fits into the through holes. One end of the buffer spring (7) is installed corresponding to one side of the pressing frame (5). The other end of the buffer spring (7) is installed corresponding to one end of the pressing rod (6). A limit pin (12) is provided on the end of the pressing rod (6) away from the buffer spring (7).
5. A multi-purpose bushing press-fitting fixture for easy threaded positioning according to claim 1, characterized in that, The tooling table (1) has an installation groove at its bottom. The outer periphery of the adjusting plate (81) is installed in the corresponding installation groove. The tooling table (1) has three sets of guide grooves (13). The adjusting plate (81) has three sets of adjusting grooves (14). The installation end of the adjusting rod (822) is installed in the corresponding position of the lower side of the positioning block (82). The adjusting rod (822) is installed in the corresponding position of the guide groove (13) and the adjusting groove (14).
6. A multi-purpose bushing press-fitting fixture for easy threaded positioning according to claim 5, characterized in that, The mounting end of the positioning chassis (83) is installed corresponding to the inner wall of the mounting groove. The upper side of the positioning chassis (83) is in contact with the lower side of the adjusting plate (81). The mounting end of the connecting block (811) is installed corresponding to the lower side of the adjusting plate (81).
7. A multi-purpose bushing press-fitting fixture for easy threaded positioning according to claim 1, characterized in that, The positioning base (83) has an assembly hole, and a limit block (842) is provided on the positioning base (83) at the position of the assembly hole. The adjusting shaft (84) is installed corresponding to the assembly hole and the limit block (842) respectively. The bevel tooth (841) meshes with the tooth (812). A rotating handle (843) is provided on the end of the adjusting shaft (84) away from the bevel tooth (841).