Automatic burring machine for bushings

Abstract

The utility model relates to bush processing equipment technical field and disclose a kind of bush automatic deburring machine, including: roof, the roof top end is placed with bush, the inside movable sleeve joint of the roof has round shaft.The utility model is driven by first cylinder to move slide with vertical rod and driving block, and then link first movement lever, connecting rod and second movement lever, so that connecting rod is fixed to the outside abutment bush inner wall.No need to replace special fixture, it can be adapted to bush of a variety of inner diameter size, greatly reduce fixture purchase and storage cost, reduce fixture dismounting debugging time, improve small batch, multi-size bush processing efficiency;At the same time, four connecting rods are synchronously moved outward, can automatically centering to bush, avoid the eccentricity of manual adjustment resulting in bush swing, guarantee the stability of bush in subsequent deburring process, improve deburring precision, solve the problem that existing fixing mode adaptability and stability are difficult to take into account.

Description

Technical Field

[0001] This utility model relates to the technical field of bushing processing equipment, and more specifically, to an automatic deburring machine for bushings. Background Technology

[0002] In fields such as machinery manufacturing and automotive parts, bushings are commonly used transmission or support components. Burrs on their inner and outer surfaces directly affect assembly accuracy, smoothness of movement, and service life. Therefore, deburring is necessary during bushing processing. Before deburring, the bushing must be stably fixed. If it is not stably fixed, it will not only cause the bushing to shift during deburring, resulting in reduced deburring accuracy and surface damage, but may even pose a safety hazard to equipment operation. Therefore, the bushing fixing process is a core prerequisite for ensuring the quality of deburring.

[0003] Currently, the industry mainly uses two methods for fixing bushings before deburring: The first is dedicated fixture fixing, which involves designing a rigid fixture to match the specific size and specifications of the bushing. The bushing is fixed through the fixture's positioning grooves, snap-fit ​​mechanisms, and other structures. While this method ensures the stability of a single-size bushing, its adaptability is extremely poor. When processing bushings with different inner and outer diameters, a corresponding dedicated fixture must be used, increasing both the procurement and storage costs of the fixture and requiring significant time for disassembly, assembly, and adjustment. This severely reduces processing efficiency, especially in small-batch, multi-size bushing production scenarios. The second method is a manually adjustable universal fixing mechanism, such as bolt tightening or clamping plate clamping. Different sizes of bushings are accommodated by manually rotating the bolts or adjusting the clamping plate spacing. While this method has some universality, it has significant drawbacks: on the one hand, the manual adjustment process relies on the operator's experience and has low adjustment efficiency; on the other hand, manual adjustment makes it difficult to guarantee the bushing centering accuracy, that is, it cannot ensure that the bushing center coincides with the axis of the subsequent rotating drive component of the equipment, resulting in eccentric wobbling when the bushing rotates, which affects the uniformity of subsequent deburring. Therefore, it needs to be improved. Summary of the Invention

[0004] In order to overcome the shortcomings of the existing technology, this utility model provides an automatic deburring machine for bushings, which has the advantage of being able to conveniently fix bushings of various sizes.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic deburring machine for bushings, comprising: A top plate, the top of which is fitted with a bushing, and a round shaft is movably connected inside the top plate; The fixing mechanism is disposed inside the circular shaft; The fixing mechanism includes a vertical rod, the outer surface of which is movably sleeved with the interior of a circular shaft. A first cylinder is fixedly sleeved at the bottom end of the vertical rod, and a moving block is movably sleeved at the top end of the vertical rod. The moving block is slidably connected to the interior of the circular shaft. A first moving rod is hinged to the moving block. A connecting rod is hinged to the end of the first moving rod away from the moving block. A second moving rod is hinged to the end of the connecting rod away from the first moving rod. A hinge block is hinged to the end of the second moving rod away from the connecting rod. The hinge block is fixedly connected to the interior of the circular shaft.

[0006] As a preferred embodiment of this utility model, a fixing frame is fixedly installed at the bottom end of the top plate, a motor is fixedly installed at the bottom end of the fixing frame, a rotating shaft is fixedly sleeved at the output end of the motor, a drive gear is fixedly sleeved on the outer surface of the rotating shaft, a driven gear is meshed with the outer surface of the drive gear, and the interior of the driven gear is fixedly sleeved with the outer surface of the round shaft.

[0007] As a preferred embodiment of this utility model, a protective shell is fixedly installed at the bottom of the top plate, and the interior of the protective shell is movably connected to the outer surface of the round shaft and the rotating shaft. The driving gear and the driven gear are both located inside the protective shell.

[0008] As a preferred embodiment of this utility model, a base frame is fixedly installed at the bottom end of the top plate, a reinforcing rod is provided on the base frame, a square plate is fixedly installed at the top end of the reinforcing rod, and the top end of the square plate is fixedly connected to the bottom end of the first cylinder.

[0009] As a preferred embodiment of this utility model, an arc-shaped plate is fixedly installed at the top of the top plate, a second cylinder is fixedly sleeved inside the arc-shaped plate, a movable block is fixedly installed at the output end of the second cylinder, a first grinding block is fixedly installed on the outer surface of the movable block, a screw is movably sleeved inside the movable block, a square rod is threadedly sleeved on the outer surface of the screw, the outer surface of the square rod is slidably connected to the inside of the movable block, a fixing plate is fixedly installed at the top of the square rod, and a second grinding block is fixedly installed at the bottom of the fixing plate.

[0010] As a preferred embodiment of this utility model, a vertical shaft is fixedly installed at the top end of the screw, the outer surface of the vertical shaft is movably connected to the inside of the square rod and the fixing plate, and a screwing block is fixedly installed at the top end of the vertical shaft.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model uses a first cylinder to drive a vertical rod, which in turn drives a moving block to slide, thereby linking a first moving rod, a connecting rod, and a second moving rod. This causes the connecting rod to abut against the inner wall of the bushing for fixation. It eliminates the need for specialized fixtures, adapting to bushings of various inner diameters, significantly reducing fixture procurement and storage costs, minimizing fixture disassembly and adjustment time, and improving the efficiency of small-batch, multi-size bushing processing. Simultaneously, the synchronized outward movement of the four connecting rods automatically centers the bushing, preventing eccentricity and wobbling caused by manual adjustment. This ensures bushing stability during subsequent deburring, improves deburring accuracy, and solves the problem of balancing adaptability and stability in existing fixing methods.

[0012] 2. This utility model uses a second cylinder to drive a movable block, which in turn moves the first grinding block, allowing for rapid adjustment of the contact state between the first grinding block and the outer surface of the bushing. Simultaneously, turning the rotating block rotates the vertical shaft and screw, causing the threaded square rod to slide along the movable block. This, in turn, drives the second grinding block to move up and down via a fixed plate, adapting to bushings of different outer diameters and heights. Without replacing the grinding components, simultaneous grinding of the outer surface and top of bushings of various sizes can be achieved, simplifying the operation process and improving deburring efficiency. Furthermore, the position of the grinding block can be precisely adjusted to ensure a tight fit with the bushing surface, guaranteeing uniform deburring and meeting the diverse deburring needs of bushings. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a schematic diagram of the structure of the drive gear of this utility model; Figure 4 This is a schematic diagram of the fixing mechanism of this utility model; Figure 5 This is a cross-sectional view of the circular shaft of this utility model; Figure 6 This is a cross-sectional view of the screw of this utility model.

[0014] In the diagram: 1. Top plate; 2. Round shaft; 3. Vertical rod; 4. First cylinder; 5. Moving block; 6. First moving rod; 7. Connecting rod; 8. Second moving rod; 9. Hinge block; 10. Fixed frame; 11. Motor; 12. Rotating shaft; 13. Drive gear; 14. Driven gear; 15. Protective shell; 16. Base frame; 17. Reinforcing rod; 18. Square plate; 19. Arc plate; 20. Second cylinder; 21. Moving block; 22. First grinding block; 23. Screw; 24. Square rod; 25. Fixed plate; 26. Second grinding block; 27. Vertical shaft; 28. Twisting block. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] like Figures 1 to 6 As shown, this utility model provides an automatic deburring machine for bushings, comprising: Top plate 1, with a bushing placed at the top of top plate 1, and a round shaft 2 movably connected inside top plate 1; The fixing mechanism is located inside the circular shaft 2; The fixing mechanism includes a vertical rod 3, the outer surface of which is movably connected to the inside of the round shaft 2. A first cylinder 4 is fixedly connected to the bottom end of the vertical rod 3, and a moving block 5 is movably connected to the top end of the vertical rod 3. The moving block 5 is slidably connected to the inside of the round shaft 2. A first moving rod 6 is hinged to the moving block 5. A connecting rod 7 is hinged to the end of the first moving rod 6 away from the moving block 5. A second moving rod 8 is hinged to the end of the connecting rod 7 away from the first moving rod 6. A hinge block 9 is hinged to the end of the second moving rod 8 away from the connecting rod 7. The hinge block 9 is fixedly connected to the inside of the round shaft 2.

[0017] The top plate 1 serves as the basic load-bearing structure, with its top end used to place the bushing to be deburred. The internally movably fitted circular shaft 2 not only provides an inner positioning reference for the bushing but also provides installation space for the fixing mechanism. In the fixing mechanism, the first cylinder 4 serves as a power source, driving the vertical rod 3 to move along the inside of the circular shaft 2. When the moving block 5 at the top of the vertical rod 3 slides with the vertical rod 3, it will synchronously drive the hinged first moving rod 6. The first moving rod 6 pushes the connecting rod 7, and the connecting rod 7 then squeezes the second moving rod 8. The hinge block 9, which is fixed inside the circular shaft 2, provides a rotation fulcrum for the second moving rod 8, allowing the second moving rod 8 to rotate around the hinge block 9 as the axis. Finally, under the synergistic action of the first moving rod 6 and the second moving rod 8, the connecting rod 7 moves outward and abuts against the inner wall of the bushing, achieving stable fixing of bushings of various sizes and providing reliable positioning for subsequent deburring operations.

[0018] Among them, a fixing frame 10 is fixedly installed at the bottom end of the top plate 1, a motor 11 is fixedly installed at the bottom end of the fixing frame 10, a rotating shaft 12 is fixedly sleeved at the output end of the motor 11, a drive gear 13 is fixedly sleeved on the outer surface of the rotating shaft 12, a driven gear 14 is meshed on the outer surface of the drive gear 13, and the interior of the driven gear 14 is fixedly sleeved with the outer surface of the round shaft 2.

[0019] The mounting bracket 10 is fixed to the bottom of the top plate 1. Its core function is to provide stable mounting support for the motor 11. The motor 11 serves as a rotational power source. Its output end drives the rotating shaft 12 to rotate. The drive gear 13 on the outer surface of the rotating shaft 12 rotates synchronously with the rotating shaft 12. Since the drive gear 13 meshes with the driven gear 14, the drive gear 13 can transmit power to the driven gear 14. The driven gear 14 is fixedly sleeved with the round shaft 2, so it can drive the round shaft 2 to rotate around the sleeve joint with the top plate 1 as the axis, thereby driving the bushing fixed by the fixing mechanism to rotate, providing a power basis for the relative movement of the bushing and the grinding block.

[0020] The top plate 1 has a protective shell 15 fixedly installed at the bottom. The inside of the protective shell 15 is movably connected to the outer surface of the round shaft 2 and the rotating shaft 12. The drive gear 13 and the driven gear 14 are both located inside the protective shell 15.

[0021] The protective shell 15 is fixed to the bottom of the top plate 1. Its interior is movably sleeved with the outer surface of the round shaft 2 and the rotating shaft 12, which can completely cover the drive gear 13 and the driven gear 14 located inside it. On the one hand, it can prevent external dust, debris and other impurities from entering the gear meshing area, avoiding impurities from affecting the gear transmission accuracy or causing gear wear. On the other hand, it can prevent operators from accidentally touching the rotating gears and improve the safety of equipment operation.

[0022] The bottom of the top plate 1 is fixedly installed with a base frame 16, a reinforcing rod 17 is provided on the base frame 16, and a square plate 18 is fixedly installed on the top of the reinforcing rod 17. The top of the square plate 18 is fixedly connected to the bottom of the first cylinder 4.

[0023] The base frame 16 is fixed to the bottom of the top plate 1, serving as the bottom support structure of the equipment and providing overall support for the top plate 1 and the components above it, ensuring the stability of the equipment when it is placed. The reinforcing rod 17 is set on the base frame 16, which can enhance the structural strength of the base frame 16. The square plate 18 is fixed to the top of the reinforcing rod 17, and its top is fixedly connected to the bottom of the first cylinder 4, which can provide stable installation support for the first cylinder 4.

[0024] Among them, an arc-shaped plate 19 is fixedly installed at the top of the top plate 1, a second cylinder 20 is fixedly sleeved inside the arc-shaped plate 19, a movable block 21 is fixedly installed at the output end of the second cylinder 20, a first grinding block 22 is fixedly installed on the outer surface of the movable block 21, a screw 23 is movably sleeved inside the movable block 21, a square rod 24 is threadedly sleeved on the outer surface of the screw 23, the outer surface of the square rod 24 is slidably connected to the inside of the movable block 21, a fixed plate 25 is fixedly installed at the top of the square rod 24, and a second grinding block 26 is fixedly installed at the bottom of the fixed plate 25.

[0025] The arc plate 19 is fixed to the top of the top plate 1, providing a stable mounting carrier for the second cylinder 20. The second cylinder 20 acts as a lateral drive source, and its output end drives the movable block 21 to move closer to or further away from the bushing. The first grinding block 22 on the outer surface of the movable block 21 moves with the movable block 21 and can contact the outer surface of the bushing to achieve grinding of the outer surface. The screw 23 movably sleeved inside the movable block 21 provides a motion drive basis for the square rod 24. Since the square rod 24 is threadedly sleeved with the screw 23 and slidably connected to the movable block 21, the screw 23 can drive the square rod 24 to slide up and down along the movable block 21 when it rotates. The fixing plate 25 at the top of the square rod 24 transmits the movement of the square rod 24 to the second grinding block 26, so that the second grinding block 26 can be adjusted up and down to adapt to bushings of different heights, thereby achieving grinding of the top of the bushing.

[0026] Among them, a vertical shaft 27 is fixedly installed at the top of the screw 23, the outer surface of the vertical shaft 27 is movably connected with the inside of the square rod 24 and the fixing plate 25, and a screwing block 28 is fixedly installed at the top of the vertical shaft 27.

[0027] The vertical shaft 27 is fixed to the top of the screw 23, which can transmit the rotational force of the screwing block 28 to the screw 23. The screwing block 28 is fixed to the top of the vertical shaft 27, which is convenient for the operator to turn by hand or tool. The screwing block 28 drives the vertical shaft 27 and the screw 23 to rotate, providing a convenient operating end for the rotation of the screw 23. This allows the operator to easily adjust the position of the square rod 24 and the second grinding block 26, and quickly adapt to bushings of different heights.

[0028] Working principle and usage process of this utility model: When the operator needs to deburr the bushing, first place the bushing on the top of the top plate 1 and ensure that the entire shaft 2 is inside the bushing. Then start the first cylinder 4. At this time, the first cylinder 4 will drive the vertical rod 3 to move downward along the inside of the shaft 2. At this time, the top of the vertical rod 3 will drive the moving block 5 to slide downward along the inside of the shaft 2. During this process, the moving block 5 will simultaneously drive the first moving rod 6 hinged on it to move. The end of the first moving rod 6 away from the moving block 5 will push the connecting rod 7. At the same time, the end of the connecting rod 7 away from the first moving rod 6 will exert a squeezing force on the second moving rod 8. Since the end of the second moving rod 8 away from the connecting rod 7 is hinged to the hinge block 9 fixed inside the shaft 2, the second moving rod 8 will rotate around the hinge block 9 as the axis. Then, under the combined action of the first moving rod 6 and the second moving rod 8, the connecting rod 7 will move outward and finally abut against the inner wall of the bushing to achieve stable fixation of the bushing. Then the operator starts the second cylinder 20. The output end of the second cylinder 20 will drive the movable block 21 to move towards the bushing. When the first grinding block 22 on the outer surface of the movable block 21 contacts the outer surface of the bushing, the operator closes the second cylinder 20 and then turns the turning block 28. At this time, the turning block 28 will drive the vertical shaft 27 to rotate. Since the vertical shaft 27 is fixedly connected to the screw 23, the vertical shaft 27 will synchronously drive the screw 23 to rotate around the connection point with the movable block 21. Since the outer surface of the screw 23 is threaded with the inner surface of the square rod 24, and the outer surface of the square rod 24 is slidably connected with the inner surface of the movable block 21, the rotation of the screw 23 will drive the square rod 24 to move downward along the inner surface of the movable block 21. The square rod 24 will then drive the second grinding block 26 to move downward through the fixed plate 25 fixed at the top, until the bottom end of the second grinding block 26 contacts the top end of the bushing. Next, the operator starts the motor 11. The output end of the motor 11 will drive the rotating shaft 12 to rotate. The rotating shaft 12 will drive the drive gear 13, which is fixedly sleeved on its outer surface, to rotate synchronously. Since the drive gear 13 is meshed with the driven gear 14, and the inside of the driven gear 14 is fixedly sleeved on the outer surface of the round shaft 2, the rotation of the drive gear 13 will drive the driven gear 14 to rotate. In turn, the driven gear 14 will drive the round shaft 2 to rotate around the sleeve point with the top plate 1. At this time, the bushing will rotate with the round shaft 2 under the drive of the connecting rod 7. The outer surface of the bushing will continuously contact the first grinding block 22, and the top end will continuously contact the second grinding block 26, thereby completing the deburring process through grinding. Furthermore, since the base frame 16 is fixedly installed at the bottom of the top plate 1, the base frame 16 can provide good support for the top plate 1 as a whole. The reinforcing rod 17 provided on the base frame 16 can enhance the structural strength of the base frame 16, and the square plate 18 at the top of the reinforcing rod 17 is fixedly connected to the bottom of the first cylinder 4, so the square plate 18 can provide stable support for the first cylinder 4. At the same time, the protective shell 15 fixed at the bottom of the top plate 1 is movably sleeved with the outer surface of the round shaft 2 and the rotating shaft 12, and the drive gear 13 and the driven gear 14 are both located inside the protective shell 15. Therefore, the protective shell 15 can provide good protection for the drive gear 13 and the driven gear 14, and prevent external impurities from affecting the gear transmission. It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic deburring machine for bushings, characterized in that, Including: Top plate (1), with a bushing placed at the top of the top plate (1), and a round shaft (2) movably connected inside the top plate (1). A fixing mechanism is provided inside the circular shaft (2); The fixing mechanism includes a vertical rod (3), the outer surface of which is movably connected to the inside of the round shaft (2), a first cylinder (4) is fixedly connected to the bottom end of the vertical rod (3), a moving block (5) is movably connected to the top end of the vertical rod (3), the moving block (5) is slidably connected to the inside of the round shaft (2), a first moving rod (6) is hinged on the moving block (5), a connecting rod (7) is hinged to the end of the first moving rod (6) away from the moving block (5), a second moving rod (8) is hinged to the end of the connecting rod (7) away from the first moving rod (6), a hinge block (9) is hinged to the end of the second moving rod (8) away from the connecting rod (7), and the hinge block (9) is fixedly connected to the inside of the round shaft (2).

2. The automatic deburring machine for bushings according to claim 1, characterized in that: A fixing frame (10) is fixedly installed at the bottom end of the top plate (1), and a motor (11) is fixedly installed at the bottom end of the fixing frame (10). A rotating shaft (12) is fixedly sleeved at the output end of the motor (11), and a drive gear (13) is fixedly sleeved on the outer surface of the rotating shaft (12). A driven gear (14) is meshed on the outer surface of the drive gear (13), and the interior of the driven gear (14) is fixedly sleeved on the outer surface of the round shaft (2).

3. The automatic deburring machine for bushings according to claim 2, characterized in that: A protective shell (15) is fixedly installed at the bottom of the top plate (1). The interior of the protective shell (15) is movably connected to the outer surface of the round shaft (2) and the rotating shaft (12). The driving gear (13) and the driven gear (14) are both located inside the protective shell (15).

4. The automatic deburring machine for bushings according to claim 1, characterized in that: A base frame (16) is fixedly installed at the bottom end of the top plate (1), and a reinforcing rod (17) is provided on the base frame (16). A square plate (18) is fixedly installed at the top end of the reinforcing rod (17), and the top end of the square plate (18) is fixedly connected to the bottom end of the first cylinder (4).

5. The automatic deburring machine for bushings according to claim 1, characterized in that: An arc-shaped plate (19) is fixedly installed at the top of the top plate (1). A second cylinder (20) is fixedly sleeved inside the arc-shaped plate (19). A movable block (21) is fixedly installed at the output end of the second cylinder (20). A first grinding block (22) is fixedly installed on the outer surface of the movable block (21). A screw (23) is movably sleeved inside the movable block (21). A square rod (24) is threaded onto the outer surface of the screw (23). The outer surface of the square rod (24) is slidably connected to the inside of the movable block (21). A fixing plate (25) is fixedly installed at the top of the square rod (24). A second grinding block (26) is fixedly installed at the bottom end of the fixing plate (25).

6. The automatic deburring machine for bushings according to claim 5, characterized in that: A vertical shaft (27) is fixedly installed at the top of the screw (23). The outer surface of the vertical shaft (27) is movably connected to the inside of the square rod (24) and the fixing plate (25). A screwing block (28) is fixedly installed at the top of the vertical shaft (27).

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