A feeding clamping centering mechanism
Patent Information
- Application Number
- CN202521954582.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2026-09-25
- Estimated Expiration
- 2035-09-11
AI Technical Summary
[0003]目前,常见的夹紧机构多采用固定式钳口或简单气动夹具,这类装置虽结构简单,但存在夹持范围有限、定心精度不高、适应性差等缺点,难以满足不同直径和规格工件的高精度加工需求
[0011]本实用新型具有积极的效果:(1)本实用新型的支撑座上水平滑动设有用于对管材进行夹紧的夹紧部,支撑座上还设有用于驱动夹紧部进行滑动的夹紧驱动部,两个夹紧滑块通过连接板夹紧驱动部的驱动形成相向或相背滑动,两个连接板上的滚筒通过两个夹紧滑块相向或相背滑动对管材进行夹紧;两个连接板上的滚筒的夹紧能够对工件进行精确的定位和夹持,以确保生产过程中的稳定性和精准度。
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Figure CN224795240U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a feeding, clamping, and centering mechanism. Background Technology
[0002] In machining, material handling, and automated production lines, the feeding, clamping, and centering mechanism is a key functional component for achieving accurate workpiece positioning and stable clamping. It is widely used in the processing and handling of pipes, shafts, and other cylindrical workpieces.
[0003] Currently, most common clamping mechanisms employ fixed jaws or simple pneumatic clamps. While these devices are simple in structure, they suffer from drawbacks such as limited clamping range, low centering accuracy, and poor adaptability, making it difficult to meet the high-precision machining requirements of workpieces with different diameters and specifications. Especially in situations requiring rapid switching and precise centering of workpieces of various sizes, traditional clamping mechanisms are often cumbersome to adjust, inefficient, and prone to damaging the workpiece surface due to uneven clamping force. Summary of the Invention
[0004] The purpose of this invention is to provide a feeding, clamping, and centering mechanism that can accurately position and clamp materials to ensure stability and precision during the production process.
[0005] The technical solution to achieve the purpose of this utility model is as follows: This utility model has a support base; a clamping part for clamping the pipe is horizontally slidably provided on the support base, and a clamping drive part for driving the clamping part to slide is also provided on the support base; the clamping part includes a connecting plate and a roller, and there are two connecting plates and two rollers, each roller corresponding to each connecting plate. Mounting blocks are fixed on both ends of the connecting plate, and the two ends of the roller are respectively rotatably mounted on the mounting blocks on both ends of the connecting plate; a horizontally extending clamping slide rail is fixed on the support base, and two clamping sliders corresponding to the two connecting plates are slidably provided on the clamping slide rail. The two connecting plates are respectively mounted on the two clamping sliders, and the connecting plates are horizontally slidably mounted on the support base through the sliding cooperation of the clamping sliders and the clamping slide rail; the two clamping sliders slide towards or away from each other through the driving of the clamping drive part of the connecting plate, and the rollers on the two connecting plates clamp the pipe by sliding towards or away from each other through the two clamping sliders.
[0006] Furthermore, the clamping drive unit includes a drive cylinder, a connecting rod, and a connecting fixing block. The drive cylinder is fixedly mounted on a support base, and the support base is also fixedly provided with a vertically extending drive slide rail. The drive slide rail is located between two connecting plates, and a drive slider is slidably mounted on the drive slide rail. Each connecting plate is equipped with a connecting rod between itself and the drive slide rail. One end of the connecting rod is rotatably connected to the drive slider, and the other end of the connecting rod is rotatably connected to the connecting plate. The connecting fixing block is fixedly connected to the drive slider, and the drive end of the drive cylinder is fixedly connected to the connecting fixing block. The two connecting plates slide towards or away from each other through the driving of the drive cylinder, the sliding engagement of the drive slider and the drive slide rail, the sliding engagement of the clamping slider and the clamping slide rail, and the connecting action of the connecting rod.
[0007] Furthermore, the support base is also provided with a lifting drive unit for lifting and sliding the drive connecting plate. The lifting drive unit includes a mounting plate fixedly mounted on the support base, a mini cylinder fixedly mounted on the mounting plate, and a horizontally extending slide rail mounting base. The driving end of the mini cylinder is fixedly connected to the slide rail mounting base. The two connecting plates are slidably mounted on the slide rail mounting base. Each clamping slider is fixedly provided with a guide slider. Each connecting plate is fixedly provided with a guide slide rail extending along the extension direction of the connecting plate and capable of sliding cooperation with the guide slider. The two connecting plates are respectively lifted and slidably mounted on the two clamping sliders through the sliding cooperation of the guide slide rail and the guide slider and the driving of the mini cylinder.
[0008] Furthermore, the lifting drive unit also includes a movable slide rail fixedly mounted on the slide rail mounting base and extending along the extension direction of the slide rail mounting base, and a movable slider slidably mounted on the movable slide rail. There are two movable sliders, and the two movable sliders are fixedly connected to two connecting plates respectively. The two connecting plates can be slidably mounted on the slide rail mounting base through the sliding cooperation between the movable sliders and the movable slide rail.
[0009] Furthermore, a Y-type double-axis joint is fixedly provided on the drive end of the mini cylinder, and a T-type connecting block that can cooperate with the Y-type rotating shaft joint is fixedly provided on the slide rail mounting base. The drive end of the mini cylinder is connected to the slide rail support base through the cooperation of the Y-type double-axis joint and the T-type connecting block.
[0010] Furthermore, a roller shaft is fixedly connected to the mounting blocks at both ends of the connecting plate. The roller shaft has through holes through which it can pass, and the roller shaft rotates on the mounting blocks.
[0011] The present invention has the following positive effects: (1) The support base of the present invention is horizontally slidably provided with a clamping part for clamping the pipe, and the support base is also provided with a clamping drive part for driving the clamping part to slide. The two clamping sliders are driven by the clamping drive part of the connecting plate to form a sliding towards or away from each other. The rollers on the two connecting plates clamp the pipe by the two clamping sliders sliding towards or away from each other. The clamping of the rollers on the two connecting plates can accurately position and hold the workpiece to ensure the stability and accuracy of the production process.
[0012] (2) The clamping drive unit of this utility model includes a drive cylinder, a connecting rod and a connecting fixing block. The drive cylinder is fixedly mounted on the support base, and the support base is also fixedly mounted with a drive slide rail. The drive slide rail is located between two connecting plates. A drive slider is slidably mounted on the drive slide rail. Each connecting plate is equipped with a connecting rod between it and the drive slide rail. One end of the connecting rod is rotatably connected to the drive slider, and the other end of the connecting rod is rotatably connected to the connecting plate. The connecting fixing block is fixedly connected to the drive slider, and the drive end of the drive cylinder is fixedly connected to the connecting fixing block. The two connecting plates slide towards or away from each other through the drive of the drive cylinder, the sliding cooperation between the drive slider and the drive slide rail, the sliding cooperation between the clamping slider and the clamping slide rail, and the connecting action of the connecting rod. Through the action of the centering connecting rod, high-precision positioning of the workpiece is achieved.
[0013] (3) The support base of this utility model is also provided with a lifting drive unit for lifting and sliding the drive connecting plate. The lifting drive unit includes a mounting plate fixedly mounted on the support base, a mini cylinder fixedly mounted on the mounting plate, and a slide rail mounting base extending horizontally. The two connecting plates are respectively lifted and slidably mounted on the two clamping sliders through the sliding cooperation of the guide slide rail and the guide slider and the drive of the mini cylinder to the slide rail mounting base. The lifting and sliding of the two connecting plates drives the roller to the position of the pipe, which facilitates the reduction of clamping time.
[0014] (4) The lifting drive unit of this utility model also includes a movable slide rail fixedly mounted on the slide rail mounting base and extending along the extension direction of the slide rail mounting base, and a movable slider slidably mounted on the movable slide rail. There are two movable sliders, and the two movable sliders are fixedly connected to two connecting plates respectively. The two connecting plates can be slidably mounted on the slide rail mounting base through the sliding cooperation between the movable slider and the movable slide rail. Through the sliding cooperation between the movable slider and the movable slide rail, the two connecting plates can be slid in opposite directions or in opposite directions without affecting the high-precision positioning of the workpiece. Attached Figure Description
[0015] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein... Figure 1This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of the support base of this utility model; Figure 3 for Figure 1 Enlarged view of part A in the middle In the diagram, support base: 1, clamping slide rail: 11, clamping slider: 12, guide slider: 121, drive slide rail: 13, drive slider: 14, clamping part: 2, connecting plate: 21, guide slide rail: 211, roller: 22, clamping drive part: 3, drive cylinder: 31, connecting rod: 32, connecting fixing block: 33, mounting block: 4, lifting drive part: 5, mounting plate: 51, mini cylinder: 52, slide rail mounting base: 53, moving slide rail: 54, moving slider: 55, Y-type double shaft joint: 6, T-type connecting block: 7, roller shaft: 8. Detailed Implementation
[0016] See Figures 1 to 3 This utility model includes a support base 1; a clamping part 2 for clamping the pipe is horizontally slidably provided on the support base 1, and a clamping drive part 3 for driving the clamping part 2 to slide is also provided on the support base 1; the clamping part 2 includes a connecting plate 21 and a roller 22, and there are two connecting plates 21 and two rollers 22, with each roller 22 corresponding to each connecting plate 21. Mounting blocks 4 are fixedly provided on both ends of the connecting plate 21, and the two ends of the rollers 22 are respectively rotatably mounted on the mounting blocks 4 on both ends of the connecting plate 21; the support base 1... A horizontally extending clamping slide rail 11 is fixedly provided. Two clamping sliders 12 corresponding to two connecting plates 21 are slidably provided on the clamping slide rail 11. The two connecting plates 21 are respectively provided on the two clamping sliders 12. The connecting plates 21 are horizontally slidably provided on the support base 1 through the sliding cooperation between the clamping sliders 12 and the clamping slide rail 11. The two clamping sliders 12 are driven by the clamping drive unit 3 of the connecting plates 21 to form a sliding motion towards or away from each other. The rollers 22 on the two connecting plates 21 clamp the pipe through the sliding motion of the two clamping sliders 12 towards or away from each other.
[0017] The clamping drive unit 3 includes a drive cylinder 31, a connecting rod 32, and a connecting fixing block 33. The drive cylinder 31 is fixedly mounted on the support base 1. The support base 1 is also fixedly mounted with a vertically extending drive slide rail 13, which is located between two connecting plates 21. A drive slider 14 is slidably mounted on the drive slide rail 13. Each connecting plate 21 is connected to the drive slide rail 13 with the connecting rod 32. One end of the connecting rod 32 is rotatably connected to the drive slider 14, and the other end of the connecting rod 32 is rotatably connected to the connecting plate 21. The connecting fixing block 33 is fixedly connected to the drive slider 14, and the drive end of the drive cylinder 31 is fixedly connected to the connecting fixing block 33. The two connecting plates 21 slide towards or away from each other through the driving of the drive cylinder 31, the sliding engagement of the drive slider 14 and the drive slide rail 13, the sliding engagement of the clamping slider 12 and the clamping slide rail 11, and the connecting action of the connecting rod 32.
[0018] When the drive cylinder 31 drives the drive slider 14 to slide downward on the drive slide rail 13, during the sliding process of the drive slider 14, the connecting rod 32 drives the two clamping sliders 12 to slide towards each other. The two clamping sliders 12 drive the two connecting plates 21 to slide towards each other, and the rollers 22 on the connecting plates 21 clamp the pipe.
[0019] When the drive cylinder 31 drives the drive slider 14 to slide upward on the drive slide rail 13, during the sliding process of the drive slider 14, the connecting rod 32 drives the two clamping sliders 12 to slide in opposite directions. The two clamping sliders 12 drive the two connecting plates 21 to slide in opposite directions, and the rollers 22 on the connecting plates 21 loosen the pipe.
[0020] The support base 1 is also provided with a lifting drive unit 5 for lifting and sliding the drive connecting plate 21. The lifting drive unit 5 includes a mounting plate 51 fixedly mounted on the support base 1, a mini cylinder 52 fixedly mounted on the mounting plate 51, and a horizontally extending slide rail mounting base 53. The driving end of the mini cylinder 52 is fixedly connected to the slide rail mounting base 53. The two connecting plates 21 are slidably mounted on the slide rail mounting base 53. Each clamping slider 12 is fixedly provided with a guide slider 121. Each connecting plate 21 is fixedly provided with a guide slide rail 211 that extends along the extension direction of the connecting plate 21 and can form a sliding cooperation with the guide slider 121. The two connecting plates 21 are respectively lifted and slidably mounted on the two clamping sliders 12 through the sliding cooperation between the guide slide rail 211 and the guide slider 121 and the driving of the mini cylinder 52.
[0021] One end of the connecting rod 32 is rotatably connected to the drive slider 14, and the other end of the connecting rod 32 is rotatably connected to the guide slider 121.
[0022] The lifting drive unit 5 also includes a movable slide rail 54 fixedly mounted on the slide rail mounting base 53 and extending along the extension direction of the slide rail mounting base 53, and a movable slider 55 slidably mounted on the movable slide rail 54. There are two movable sliders 55, and the two movable sliders 55 are fixedly connected to two connecting plates 21 respectively. The two connecting plates 21 can be slidably mounted on the slide rail mounting base 53 through the sliding cooperation between the movable sliders 55 and the movable slide rail 54.
[0023] A Y-type double-axis connector 6 is fixedly provided on the drive end of the mini cylinder 52, and a T-type connecting block 7 that can cooperate with the Y-type rotating shaft connector is fixedly provided on the slide rail mounting base 53. The drive end of the mini cylinder 52 is connected to the slide rail support base 1 through the cooperation of the Y-type double-axis connector 6 and the T-type connecting block 7.
[0024] It also includes a roller 8 fixedly connected to the mounting blocks 4 at both ends of the connecting plate 21. The roller 22 has a through hole through which the roller 8 can pass. The roller 22 is rotatably mounted on the mounting block 4 via the roller 8.
[0025] The working principle of this utility model is as follows: The mini cylinder 52 drives the guide rail mounting base to move, and the guide rail mounting base drives the two connecting plates 21 to the position of the pipe. The rollers 22 on the two connecting plates 21 correspond to the two ends of the pipe located on the upper end of the support base 1, and clamp the pipe for centering and positioning. Then, the drive cylinder 31 drives the drive slider 14 to slide downward on the drive slide rail 13. During the sliding of the drive slider 14, the connecting rod 32 drives the two clamping sliders 12 to slide towards each other. The two clamping sliders 12 drive the two connecting plates 21 to slide towards each other. The rollers 22 on the connecting plates 21 clamp the pipe, so that the pipe is fixed in the required position.
[0026] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A feeding clamping and centering mechanism, comprising a support base (1); characterized in that: The support base (1) is horizontally slidably provided with a clamping part (2) for clamping the pipe, and the support base (1) is also provided with a clamping drive part (3) for driving the clamping part (2) to slide; the clamping part (2) includes a connecting plate (21) and a roller (22), and there are two connecting plates (21) and two rollers (22), each roller (22) is arranged in a one-to-one correspondence with each connecting plate (21), and mounting blocks (4) are fixedly provided on both ends of the connecting plate (21), and the two ends of the roller (22) are respectively rotatably arranged on the mounting blocks (4) on both ends of the connecting plate (21); the support base (1) is fixedly provided with There is a horizontally extending clamping slide rail (11), and two clamping sliders (12) corresponding to the two connecting plates (21) are slidably provided on the clamping slide rail (11). The two connecting plates (21) are respectively provided on the two clamping sliders (12). The connecting plates (21) are slidably provided on the support base (1) through the sliding cooperation between the clamping sliders (12) and the clamping slide rail (11). The two clamping sliders (12) are driven by the clamping drive unit (3) of the connecting plates (21) to form a sliding towards or away from each other. The rollers (22) on the two connecting plates (21) clamp the pipe through the sliding towards or away from each other of the two clamping sliders (12).
2. The feeding, clamping, and centering mechanism according to claim 1, characterized in that: The clamping drive unit (3) includes a drive cylinder (31), a connecting rod (32), and a connecting fixing block (33). The drive cylinder (31) is fixedly mounted on the support base (1). The support base (1) is also fixedly mounted with a vertically extending drive slide rail (13). The drive slide rail (13) is located between two connecting plates (21). A drive slider (14) is slidably mounted on the drive slide rail (13). The connecting rod (32) is provided between each connecting plate (21) and the drive slide rail (13). One of the connecting rods (32) is connected to the drive slide rail (13). One end of the connecting rod (32) is rotatably connected to the drive slider (14), and one end of the connecting rod (32) is rotatably connected to the connecting plate (21); the connecting fixing block (33) is fixedly connected to the drive slider (14), and the driving end of the drive cylinder (31) is fixedly connected to the connecting fixing block (33); the two connecting plates (21) slide towards each other or away from each other through the driving of the drive cylinder (31), the sliding cooperation between the drive slider (14) and the drive slide rail (13), the sliding cooperation between the clamping slider (12) and the clamping slide rail (11), and the connecting action of the connecting rod (32).
3. The feeding, clamping, and centering mechanism according to claim 1, characterized in that: The support base (1) is also provided with a lifting drive unit (5) for lifting and sliding the drive connecting plate (21). The lifting drive unit (5) includes a mounting plate (51) fixedly mounted on the support base (1), a mini cylinder (52) fixedly mounted on the mounting plate (51), and a horizontally extending slide rail mounting base (53). The driving end of the mini cylinder (52) is fixedly connected to the slide rail mounting base (53). The two connecting plates (21) are slidably mounted on the slide rail mounting base (53). Each clamping slider (12) is fixedly provided with a guide slider (121). Each connecting plate (21) is fixedly provided with a guide slide rail (211) extending along the extension direction of the connecting plate (21) and forming a sliding fit with the guide slider (121). The two connecting plates (21) are respectively lifted and slidably mounted on the two clamping sliders (12) through the sliding fit between the guide slide rail (211) and the guide slider (121) and the driving of the mini cylinder (52).
4. The feeding, clamping, and centering mechanism according to claim 3, characterized in that: The lifting drive unit (5) further includes a movable slide rail (54) fixedly mounted on the slide rail mounting base (53) and extending along the extension direction of the slide rail mounting base (53), and a movable slider (55) slidably mounted on the movable slide rail (54). There are two movable sliders (55), and the two movable sliders (55) are fixedly connected to two connecting plates (21) respectively. The two connecting plates (21) can be slidably mounted on the slide rail mounting base (53) through the sliding cooperation between the movable sliders (55) and the movable slide rail (54).
5. The feeding, clamping, and centering mechanism according to claim 3, characterized in that: The drive end of the mini cylinder (52) is fixedly provided with a Y-type double shaft joint (6), and the slide rail mounting base (53) is fixedly provided with a T-type connecting block (7) that can cooperate with the Y-type rotating shaft joint. The drive end of the mini cylinder (52) is connected to the slide rail support base (1) through the cooperation of the Y-type double shaft joint (6) and the T-type connecting block (7).
6. The feeding, clamping, and centering mechanism according to claim 1, characterized in that: It also has a roller (8) fixedly connected to the mounting blocks (4) fixedly mounted on both ends of the connecting plate (21). The roller (22) has a through hole through which the roller (8) can pass. The roller (22) is rotatably mounted on the mounting block (4) through the roller (8).