Round rod conveying and clamping mechanism

Abstract

The utility model relates to the technical field of clamping mechanisms, in particular to a round bar conveying and clamping mechanism. Comprising a rotating seat, the rotating seat is rotationally connected to a rack, the axial direction of the rotating seat is the Y direction, and a through hole is formed in the middle shaft part of the rotating seat; the pneumatic chuck is coaxially connected to the Y-direction end of the rotating seat; the feeding mechanism is located on the Y-direction reverse side of the rotating base, the feeding mechanism comprises a material stacking groove used for stacking the round bar bodies in the vertical direction and a first air cylinder located on the Y-direction reverse side of the bottom of the material stacking groove, and the round bar bodies located at the bottom of the material stacking groove are coaxial with the through hole; the first air cylinder is used for jacking the round bar body located at the bottom of the stacking groove into the through hole. The structure can replace a mechanical arm, and efficient, automatic and low-cost loading and unloading of the round bars are achieved.

Description

Technical Field

[0001] This utility model relates to the field of clamping mechanism technology, and in particular to a round bar conveying and clamping mechanism. Background Technology

[0002] Under certain processing requirements, the ends of round bars need to be milled. For example, the tenon joint structure of chopsticks disclosed in patent announcement number CN220757127U requires milling for both the connection between the chopstick head and the handle. The conventional method for processing the ends of such round bars is to clamp the round bar in a fixture manually or with a robot, and then clamp the corresponding milling cutter on the rotary spindle of a multi-axis CNC machine tool. Through the multi-axis movement of the rotary spindle, the high-speed rotating milling cutter contacts the milling part of the round bar body to mill the end of the round bar. This method requires the use of a robot to load and unload the round bar from the fixture, and the loading and unloading process is complicated. The robot needs to first remove the processed round bar and place it in the finished product area, and then re-clamp the unprocessed round bar back onto the fixture. This results in a large travel distance of the robot, long processing time, and a significant increase in production costs due to the introduction of the robot. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a round bar conveying and clamping mechanism that can replace a robotic arm and realize efficient, automated and low-cost loading and unloading of round bars.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] A round bar conveying and clamping mechanism includes:

[0006] A rotating seat is rotatably connected to the frame. The axis of the rotating seat is Y-direction, and the central shaft of the rotating seat is provided with a through hole.

[0007] A pneumatic chuck, which is coaxially connected to the Y-axis end of the rotary seat;

[0008] The feeding mechanism is located on the Y-direction opposite side of the rotating seat. The feeding mechanism includes a stacking groove for vertically stacking round bar bodies, and a first cylinder located on the Y-direction opposite side at the bottom of the stacking groove. The round bar body located at the bottom of the stacking groove is coaxial with the through hole. The first cylinder is used to push the round bar body located at the bottom of the stacking groove into the through hole.

[0009] Furthermore, in the aforementioned bar conveying and clamping mechanism, the first cylinder is a double-stroke cylinder. The first stroke is used to push the bar body located at the pneumatic chuck out, and the second stroke is used to push the bar body in the through hole to the clamping position of the pneumatic chuck.

[0010] Furthermore, in the above-mentioned round bar conveying and clamping mechanism, the feeding mechanism includes a guide plate located on one side above the stacking groove, and also includes a material-pushing mechanism located below the guide plate. The material-pushing mechanism includes a rotating shaft with an axial direction of Y, and a material-pushing gear coaxially connected to the rotating shaft. The guide plate is provided with a strip-shaped hole for avoiding the material-pushing gear, and the tip of the material-pushing gear is located at the strip-shaped hole.

[0011] Furthermore, the above-mentioned round bar conveying and clamping mechanism also includes a blocking mechanism, which is movably connected to the frame and switches between a first state and a second state. In the first state, the blocking mechanism is located at the Y-direction position of the central axis of the pneumatic chuck, and in the second state, the blocking mechanism is disengaged from the Y-direction position of the central axis of the pneumatic chuck.

[0012] Furthermore, in the above-mentioned round bar conveying and clamping mechanism, the material blocking mechanism includes a connecting rod and a second cylinder. The middle part of the connecting rod is pivotally connected to the frame, one end of the second cylinder is pivotally connected to the frame, and the other end is pivotally connected to one end of the connecting rod. The other end of the connecting rod is provided with a material blocking component for blocking the pneumatic chuck in the Y direction.

[0013] The beneficial effects of this utility model are as follows: by utilizing the material ejection method of the first cylinder and the temporary material stop function of the through hole of the rotating seat, the continuous automated operation of unloading and clamping of the round bar body on the corresponding pneumatic chuck is realized, eliminating the complex loading and unloading structure of the robotic arm, greatly saving production costs and improving production efficiency. Moreover, during the material pushing process of the first cylinder, since the rotating seat always keeps rotating, it has a certain adjustment and sorting effect on the axially moving round bar body in the through hole, ensuring that the round bars in the through hole are neatly stacked axially and pushed forward, which can improve the clamping accuracy. Attached Figure Description

[0014] Figure 1 This is a first-view structural schematic diagram of a round bar conveying and clamping mechanism according to a specific embodiment of the present utility model;

[0015] Figure 2 for Figure 1 Enlarged view of part A;

[0016] Figure 3 This is a second-view structural schematic diagram of a round bar conveying and clamping mechanism according to a specific embodiment of the present utility model;

[0017] Figure 4 for Figure 3 Enlarged view of part B;

[0018] Figure 5 This is a third-view structural schematic diagram of a round bar conveying and clamping mechanism according to a specific embodiment of the present utility model.

[0019] Figure 6 for Figure 5 CC-direction cross-section;

[0020] Figure 7 for Figure 6 Enlarged view of part D;

[0021] Label Explanation:

[0022] 1. Rotary seat; 11. Through hole;

[0023] 2. Pneumatic chuck;

[0024] 3. Feeding mechanism; 31. Stacking trough; 32. Guide plate; 321. Strip hole; 33. Rotating shaft; 34. Feeding gear; 35. First cylinder;

[0025] 4. Material stop mechanism; 41. Connecting rod; 42. Second cylinder; 43. Material stop component;

[0026] 5. Round rod body. Detailed Implementation

[0027] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0028] Please refer to Figures 1 to 7 A round bar conveying and clamping mechanism, comprising:

[0029] Rotary seat 1, which is rotatably connected to the frame, has an axial direction of Y, and has a through hole 11 in the central shaft portion;

[0030] Pneumatic chuck 2, which is coaxially connected to the Y-axis end of the rotary seat 1;

[0031] The feeding mechanism 3 is located on the Y-direction opposite side of the rotating seat 1. The feeding mechanism 3 includes a stacking groove 31 for vertically stacking the round bar body 5, and a first cylinder 35 located on the Y-direction opposite side at the bottom of the stacking groove 31. The round bar body 5 located at the bottom of the stacking groove 31 is coaxial with the through hole 11. The first cylinder 35 is used to push the round bar body 5 located at the bottom of the stacking groove 31 into the through hole 11.

[0032] In the above embodiments, refer to Figure 7 The frame is equipped with bearing seats, and the rotating seat 1 is rotatably connected to the frame via the bearing seats, as shown in the reference. Figures 1 to 7 The rotating seat 1 can be driven to rotate by a drive mechanism.

[0033] In the above embodiments, the pneumatic chuck 2 is an existing purchased device that can achieve the centering and clamping of round bars. It is generally used for clamping machine tool cutting tools. The working principle of this part will not be elaborated further.

[0034] In the above embodiments, by utilizing the material ejection method of the first cylinder 35 and the temporary material stopping function of the through hole 11 of the rotating seat 1, the continuous automated operation of unloading and clamping of the round bar body 5 on the corresponding pneumatic chuck 2 is realized. This eliminates the need for a complex loading and unloading structure of a robotic arm, significantly reducing production costs. Moreover, during the material pushing process of the first cylinder 35, since the rotating seat 1 always rotates, it has a certain adjustment and sorting effect on the axially moving round bar body 5 in the through hole 11, ensuring that the round bars in the through hole 11 are neatly stacked axially and pushed forward, which can improve clamping accuracy.

[0035] In a preferred embodiment, the first cylinder 35 is a double-stroke cylinder. The first stroke is used to push out the round bar body 5 located at the pneumatic chuck 2, and the second stroke is used to push the round bar body 5 in the through hole 11 to the clamping position of the pneumatic chuck 2.

[0036] Preferably, the feeding mechanism 3 includes a guide plate 32 located on one side above the stacking groove 31, and also includes a feeding mechanism located below the guide plate 32. The feeding mechanism includes a rotating shaft 33 with an axial direction of Y, and a feeding gear 34 coaxially connected to the rotating shaft 33. The guide plate 32 is provided with a strip hole 321 for avoiding the feeding gear 34, and the tip of the feeding gear 34 is located at the strip hole 321.

[0037] Preferably, the above-mentioned round bar conveying and clamping mechanism further includes a blocking mechanism 4, which is movably connected to the frame and switches between a first state and a second state. In the first state, the blocking mechanism 4 is located at the Y-direction position of the central axis of the pneumatic chuck 2, and in the second state, the blocking mechanism 4 is disengaged from the Y-direction position of the central axis of the pneumatic chuck 2.

[0038] In the above embodiments, before the first cylinder 35 moves in the second stroke, by controlling the movement of the baffle mechanism 4, the end of the round bar body 5 located at the pneumatic chuck 2 position pushed by the second stroke movement of the first cylinder 35 can be axially positioned, thereby better ensuring the clamping accuracy.

[0039] Preferably, in the above-mentioned round bar conveying and clamping mechanism, the material blocking mechanism 4 includes a connecting rod 41 and a second cylinder 42. The middle part of the connecting rod 41 is pivotally connected to the frame, one end of the second cylinder 42 is pivotally connected to the frame, and the other end is pivotally connected to one end of the connecting rod 41. The other end of the connecting rod 41 is provided with a material blocking member 43 for blocking the pneumatic chuck 2Y direction.

[0040] In the above embodiments, the first cylinder 35 pushes a round bar body 5 at the bottom of the stacking groove 31 into the through hole 11, so that multiple round bar bodies 5 exist in the through hole 11 at the same time. The multiple round bar bodies 5 are arranged along the axial direction. When the round bar body 5 on the pneumatic chuck 2 of a certain rotary clamping mechanism completes the turning and milling process, the pneumatic chuck 2 is controlled to release the clamp. The first stroke of the first cylinder 35 pushes a round bar at the bottom of the stacking groove 31 into the through hole 11, so that the round bar body 5 located at the pneumatic chuck 2 is pushed out and falls to the bottom. A conveyor belt that moves along the X direction can also be set below the pneumatic chuck 2 to receive and transport the fallen processed round bar body 5. Then, control the second cylinder 42 to move the stop 43 to the Y-axis position of the pneumatic chuck 2, so that the stop 43 and the Y-axis end of the pneumatic chuck 2 maintain a fixed distance. Then, control the first cylinder 35 to move the second stroke, so that the end of the next round bar body 5 abuts against the stop 43 for positioning. Then, control the pneumatic chuck 2 to clamp the round bar body 5, and then control the second cylinder 42 to move the stop 43 to disengage from the end of the round bar body 5, so that the milling mechanism can perform milling operations on the end of the round bar.

[0041] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A round bar conveying clamping mechanism, characterized by, The utility model relates to a kind of rotary seat, pneumatic chuck, feeding mechanism and blocking mechanism, comprising: Rotary seat, which is rotationally connected to the frame, the axial direction of the rotary seat is Y direction, and the central axis part of the rotary seat is provided with a through hole; Pneumatic chuck, which is coaxially connected to the Y direction end of the rotary seat; Feeding mechanism, which is located on the reverse side of the Y direction of the rotary seat, includes a stacking groove for vertically stacking round bar bodies, and a first air cylinder located on the reverse side of the Y direction at the bottom of the stacking groove, the round bar body at the bottom of the stacking groove is coaxial with the through hole, and the first air cylinder is used to push the round bar body at the bottom of the stacking groove into the through hole.

2. The round bar conveying clamp mechanism according to claim 1, characterized by The first air cylinder is a double-stroke air cylinder, the first stroke is used to push the round bar body located at the pneumatic chuck out, and the second stroke is used to push the round bar body in the through hole to the clamping position of the pneumatic chuck.

3. The round bar conveying clamp mechanism according to claim 1, wherein The feeding mechanism includes a guide plate located on one side above the stacking groove, and a material shifting mechanism located below the guide plate, the material shifting mechanism includes a rotary shaft with Y direction as the axial direction, a material shifting gear coaxially connected to the rotary shaft, the guide plate is provided with a strip-shaped hole for avoiding the material shifting gear, and the tooth tip part of the material shifting gear is located at the strip-shaped hole.

4. The round bar conveying clamp mechanism according to claim 1, wherein It also includes a blocking mechanism, which is movably connected to the frame and can be switched between a first state and a second state, in the first state, the blocking mechanism is located at the Y direction of the central axis of the pneumatic chuck, and in the second state, the blocking mechanism is away from the Y direction of the central axis of the pneumatic chuck.

5. The round bar conveying clamp mechanism according to claim 4, wherein The blocking mechanism includes a connecting rod and a second air cylinder, the middle part of the connecting rod is pivotally connected to the frame, one end of the second air cylinder is pivotally connected to the frame, the other end of the second air cylinder is pivotally connected to one end of the connecting rod, and the other end of the connecting rod is provided with a blocking piece for blocking the Y direction of the pneumatic chuck.

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