Clamping and positioning device for production line part machining
By designing a part clamping positioning device that drives the stop roller to rotate around the cylinder by the design of an electric push rod to drive the slider and the arc plate, the problem of parts not being centered in the prior art is solved, and high-precision part processing and adapting to clamping of parts of different sizes is achieved.
Patent Information
- Application Number
- CN202421874142.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-04
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-04
AI Technical Summary
Existing parts clamping devices cannot achieve the centering positioning of parts, resulting in possible deviations in machining sizes.
A production line parts processing, clamping and positioning device is designed, and the slider and arc plate are driven by an electric push rod to drive the limiting roller to rotate around the cylinder to realize the centering clamping of the parts.
The centering positioning of parts is achieved, the machining accuracy is improved, the processing dimension deviation is avoided, and the clamping of parts of different sizes is adapted to the length of the extension rod.
Smart Images

Figure CN222857786U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of parts positioning tools, in particular to a production line parts processing clamping and positioning device. Background Art
[0002] In modern manufacturing, parts processing on the production line is one of the key factors in production efficiency and product quality. In order to ensure the accuracy and repeatability of parts during processing, it is crucial to use specialized clamping and positioning devices to fix and position the parts.
[0003] According to the search, the Chinese patent document, announcement number: CN220994235U, discloses a part clamping device for an intelligent manufacturing production line. The distance between the first clamping plate and the second clamping plate can be adjusted by the first motor power supply and the cooperation of various parts, so that the part clamping device for the intelligent manufacturing production line can clamp parts of different lengths. At the same time, the height of the first clamping plate and the second clamping plate can be adjusted by the cooperation of the second motor, the third motor and various parts, so that the part clamping device for the intelligent manufacturing production line can clamp parts of different heights. The height of the part can be adjusted by the cooperation of the second motor and the third motor; the utility model can clamp parts of different sizes without replacing the corresponding fixtures according to different types of parts.
[0004] However, in actual use of the clamping device, the first clamping plate is fixed, and the second clamping plate is moved to clamp the part in coordination with the first clamping plate, so that the part cannot be centered. During the processing of the part, since the part cannot be centered, the processing size may be deviated. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] In view of the deficiencies in the prior art, the utility model provides a production line parts processing clamping and positioning device, which has the advantages of simple structure, can be used for centering and positioning parts on a conveyor, and has high applicability, thereby solving the above-mentioned technical problems.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a production line parts processing clamping and positioning device, comprising a mounting plate, wherein both ends of the mounting plate are fixedly connected to side plates, the top surface of the side plate is rotatably connected to a cylinder, the outer surface of the cylinder is fixedly connected to a straight rail, the straight rail is slidably connected to an extension rod, one end of the extension rod is rotatably connected to a limiting roller, the bottom end of the cylinder is fixedly connected to a No. 1 connecting plate, one end of the No. 1 connecting plate is rotatably connected to a No. 2 connecting plate, one end of the No. 2 connecting plate is hinged to an ear block, one end of the ear block is fixedly connected to a sliding block, the lower surface of the sliding block is rotatably connected to an arc plate, one end of the arc plate is rotatably connected to a rotating plate, the inside of the sliding block is slidably connected to a sliding rod, both ends of the sliding rod are fixedly connected to side ears, an electric push rod is installed on the lower surface of the mounting plate, the output end of the electric push rod is connected to a moving sheet, and the top surface of the side plate is fixedly connected to an L-shaped plate.
[0009] Preferably, a mounting hole is formed through the top surface of the L-shaped plate, and the L-shaped plate is connected to the frame of the conveyor line by bolts.
[0010] Through the above technical solution, by also opening a mounting hole on the frame of the conveyor line, and then installing the L-shaped plate on the frame of the conveyor line by bolts, the entire positioning device can be installed on the conveyor line, so that the positioning device can clamp and position the parts conveyed on the conveyor line.
[0011] Preferably, ear blocks are fixedly connected to both sides of the sliding block, and both ends of the side plate are rotatably connected to a limiting roller.
[0012] Through the above technical scheme, four limiting rollers are provided for clamping parts. When the slider moves, it can drive the ear block, the ear block drives the No. 2 connecting plate, the No. 2 connecting plate drives the No. 1 connecting plate, the No. 1 connecting plate drives the cylinder to rotate, the cylinder drives the straight rail, the straight rail drives the extension rod, and the extension rod drives the limiting roller to rotate. In this way, when the four limiting rollers rotate around the cylinder and are displaced, they can contact the outer surface of the part, so that the four limiting rollers can clamp and position the part.
[0013] Preferably, the center of the lower surface of the rotating plate is rotatably connected to a rotating shaft, one end of the rotating shaft is connected to the mounting plate, and two sliders are provided, and the outer surface of one of the sliders is fixedly connected to a moving sheet.
[0014] Through the above technical solution, when it is necessary to clamp and position a part to be processed on the conveyor line, it is necessary to start the electric push rod so that its output end drives the moving plate to move, and the moving plate drives a slider connected to it to move, so that the slider can also drive the arc plate, the arc plate then drives the rotating plate, and the rotating plate then drives another arc plate, and the arc plate drives the slider connected to it. The overall structure enables an electric push rod to drive the displacement of two sliders, and then drive four limit rollers to clamp the part in the center.
[0015] Preferably, the side ears are fixedly connected to the lower surface of the mounting plate, and both ends of the rotating plate are rotatably connected to an arc-shaped plate.
[0016] Through the above technical solution, when the slider moves, it can slide on the outer surface of the slide rod, so that the slide rod can limit and guide the slider. The arc plate has a certain curvature, and at the same time, the two arc plates are arranged in an axial array around the rotating shaft on the rotating plate. In this way, after one of the arc plates is driven by the slider, the arc plate can smoothly drive the rotating plate to rotate, and the rotating plate can drive the other arc plate to move.
[0017] Preferably, a slide groove is provided through the top surface of the straight rail, one end of the extension rod away from the limiting roller is fixedly connected to a locking bolt, and the outer surface of the locking bolt is threadedly connected to a knob.
[0018] Through the above technical solution, the extension rod can be moved by loosening the knob, and then the total length between the extension rod and the straight rail can be adjusted, so that the initial position of the limiting roller can be adjusted, so that the four limiting rollers can clamp parts of different sizes, especially round parts.
[0019] Compared with the prior art, the utility model provides a production line parts processing clamping and positioning device, which has the following beneficial effects:
[0020] 1. The utility model starts the electric push rod so that its output end drives the moving piece to move, and the moving piece drives a slider connected to it to move, so that the slider can also drive the arc plate, the arc plate then drives the rotating plate, the rotating plate then drives another arc plate, the arc plate drives the slider connected to it, and the slider can drive the ear block after moving, the ear block drives the No. 2 connecting plate, the No. 2 connecting plate drives the No. 1 connecting plate, the No. 1 connecting plate drives the cylinder to rotate, the cylinder drives the straight rail, the straight rail drives the extension rod, the extension rod drives the limit roller to rotate around the cylinder, and then drives the four limit rollers to clamp the parts in the center.
[0021] 2. The utility model can move the extension rod by loosening the knob, and then adjust the total length between the extension rod and the straight rail, so that the initial position of the limiting roller can be adjusted, so that the four limiting rollers can clamp parts of different sizes, especially round parts, thereby improving the applicability of the clamping and positioning device. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0023] Figure 2 This is a three-dimensional schematic diagram of the structure of the utility model after being installed on the conveyor line;
[0024] Figure 3 The utility model structure Figure 2A is a partial enlarged schematic diagram;
[0025] Figure 4 It is a schematic top view of the structure of the utility model.
[0026] Among them: 1. Mounting plate; 2. Side plate; 3. Cylinder; 4. Straight rail; 5. Extension rod; 6. Limit roller; 7. No. 1 connecting plate; 8. No. 2 connecting plate; 9. Ear block; 10. Slider; 11. Arc plate; 12. Turn plate; 13. Sliding rod; 14. Side ear; 15. Electric push rod; 16. Moving piece; 17. L-shaped plate; 18. Conveyor line; 19. Locking bolt; 20. Knob. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1-Figure 4 A production line parts processing clamping and positioning device comprises a mounting plate 1, both ends of the mounting plate 1 are fixedly connected to side plates 2, the top surface of the side plate 2 is rotatably connected to a cylinder 3, the outer surface of the cylinder 3 is fixedly connected to a straight rail 4, an extension rod 5 is slidably connected inside the straight rail 4, one end of the extension rod 5 is rotatably connected to a limiting roller 6, the bottom end of the cylinder 3 is fixedly connected to a No. 1 connecting plate 7, one end of the No. 1 connecting plate 7 is rotatably connected to a No. 2 connecting plate 8, one end of the No. 2 connecting plate 8 is hinged to an ear block 9, one end of the ear block 9 is fixedly connected to a slider 10, the lower surface of the slider 10 is rotatably connected to an arc plate 11, one end of the arc plate 11 is rotatably connected to a rotating plate 12, the slider 10 is slidably connected to a sliding rod 13, both ends of the sliding rod 13 are fixedly connected to side ears 14, an electric push rod 15 is installed on the lower surface of the mounting plate 1, the output end of the electric push rod 15 is connected to a moving sheet 16, and the top surface of the side plate 2 is fixedly connected to an L-shaped plate 17.
[0029] Specifically, a mounting hole is formed through the top surface of the L-shaped plate 17, and the L-shaped plate 17 is bolted to the frame of the conveyor line 18. The advantage is that by also forming a mounting hole on the frame of the conveyor line 18, and then mounting the L-shaped plate 17 on the frame of the conveyor line 18 by bolts, the entire positioning device can be mounted on the conveyor line 18, so that the positioning device can clamp and position the parts conveyed on the conveyor line 18.
[0030] Specifically, the two sides of the slider 10 are fixedly connected to the ear blocks 9, and the two ends of the side plate 2 are rotatably connected to a limiting roller 6. The advantage is that the limiting rollers 6 are provided with four for clamping parts, and when the slider 10 moves, it can drive the ear blocks 9, the ear blocks 9 drive the second connecting plate 8, the second connecting plate 8 drives the first connecting plate 7, the first connecting plate 7 drives the cylinder 3 to rotate, the cylinder 3 drives the straight rail 4, the straight rail 4 drives the extension rod 5, and the extension rod 5 drives the limiting rollers 6 to rotate, so that when the four limiting rollers 6 rotate around the cylinder 3 and are displaced, they can contact the outer surface of the part, so that the four limiting rollers 6 can clamp and position the part.
[0031] Specifically, the center of the lower surface of the rotating plate 12 is rotatably connected to a rotating shaft, one end of the rotating shaft is connected to the mounting plate 1, and two sliders 10 are provided, and the outer surface of one slider 10 is fixedly connected to the moving piece 16. The advantage is that before clamping and positioning a part to be processed on the conveyor line 18, it is necessary to start the electric push rod 15 so that its output end drives the moving piece 16 to move, and the moving piece 16 drives a slider 10 connected thereto to move, so that the slider 10 can also drive the arc plate 11, and the arc plate 11 then drives the rotating plate 12, and the rotating plate 12 then drives another arc plate 11, and the arc plate 11 drives the slider 10 connected thereto, and the overall structure enables one electric push rod 15 to drive the displacement of two sliders 10, and then drive the four limit rollers 6 to clamp the part in the center.
[0032] Specifically, the side ears 14 are fixedly connected to the lower surface of the mounting plate 1, and both ends of the rotating plate 12 are rotatably connected to an arc plate 11. The advantage is that when the slider 10 moves, it can slide on the outer surface of the slide bar 13, so that the slide bar 13 can limit and guide the slider 10, and the arc plate 11 has a certain curvature. At the same time, the two arc plates 11 are arranged in an array around the axis of the rotating shaft on the rotating plate 12, so that after one of the arc plates 11 is driven by the slider 10, the arc plate 11 can smoothly drive the rotating plate 12 to rotate, and the rotating plate 12 can drive the other arc plate 11 to move.
[0033] Specifically, a slide groove is provided through the top surface of the straight rail 4, and one end of the extension rod 5 away from the limiting roller 6 is fixedly connected to the locking bolt 19, and the outer surface of the locking bolt 19 is threadedly connected to the knob 20. The advantage is that the extension rod 5 can be moved by loosening the knob 20, and the total length between the extension rod 5 and the straight rail 4 can be adjusted, so that the initial position of the limiting roller 6 can be adjusted, so that the four limiting rollers 6 can clamp parts of different sizes, especially round parts.
[0034] When in use, the parts to be processed are transported through the conveyor line 18. When the parts need to be positioned and processed, the electric push rod 15 can be started to drive the moving piece 16 to move at its output end, and the moving piece 16 drives a slider 10 connected to it to move, so that the slider 10 can also drive the arc plate 11, and the arc plate 11 then drives the rotating plate 12, and the rotating plate 12 then drives another arc plate 11, and the arc plate 11 drives the slider 10 connected to it. After the slider 10 moves, it can drive the ear block 9, and the ear block 9 drives the second connecting plate 8, the second connecting plate 8 drives the first connecting plate 7, and the first connecting plate 7 drives the cylinder 3 to rotate, the cylinder 3 drives the straight rail 4, the straight rail 4 drives the extension rod 5, and the extension rod 5 drives the limiting roller 6 to rotate. In this way, when the four limiting rollers 6 rotate around the cylinder 3 and are displaced, they can contact the outer surface of the part, so that the four limiting rollers 6 can clamp and position the part.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A production line parts processing clamping and positioning device, comprising a mounting plate (1), characterized in that: The two ends of the mounting plate (1) are fixedly connected to the side plate (2), the top surface of the side plate (2) is rotatably connected to the cylinder (3), the outer surface of the cylinder (3) is fixedly connected to the straight rail (4), the straight rail (4) is slidably connected to the extension rod (5), one end of the extension rod (5) is rotatably connected to the limiting roller (6), the bottom end of the cylinder (3) is fixedly connected to the first connecting plate (7), one end of the first connecting plate (7) is rotatably connected to the second connecting plate (8), one end of the second connecting plate (8) is hinged to the ear block (9), and the ear block ( One end of the side plate (9) is fixedly connected to a slider (10), the lower surface of the slider (10) is rotatably connected to an arc plate (11), one end of the arc plate (11) is rotatably connected to a rotating plate (12), the slider (10) is internally slidably connected to a slide rod (13), both ends of the slide rod (13) are fixedly connected to side ears (14), an electric push rod (15) is installed on the lower surface of the mounting plate (1), the output end of the electric push rod (15) is connected to a moving sheet (16), and the top surface of the side plate (2) is fixedly connected to an L-shaped plate (17).
2. A production line parts processing clamping and positioning device according to claim 1, characterized in that: A mounting hole is formed through the top surface of the L-shaped plate (17), and the L-shaped plate (17) is connected to the frame of the conveyor line (18) by means of bolts.
3. A production line parts processing clamping and positioning device according to claim 1, characterized in that: The two sides of the slider (10) are fixedly connected to ear blocks (9), and the two ends of the side plate (2) are rotatably connected to a limiting roller (6).
4. A production line parts processing clamping and positioning device according to claim 1, characterized in that: The center of the lower surface of the rotating plate (12) is rotatably connected to a rotating shaft, one end of the rotating shaft is connected to the mounting plate (1), and two sliders (10) are provided, the outer surface of one of the sliders (10) being fixedly connected to a moving plate (16).
5. The production line parts processing clamping and positioning device according to claim 1 is characterized in that: The side ears (14) are fixedly connected to the lower surface of the mounting plate (1), and both ends of the rotating plate (12) are rotatably connected to an arc-shaped plate (11).
6. The production line parts processing clamping and positioning device according to claim 1, characterized in that: A slide groove is formed through the top surface of the straight rail (4); one end of the extension rod (5) away from the limiting roller (6) is fixedly connected to a locking bolt (19); and the outer surface of the locking bolt (19) is threadedly connected to a knob (20).
Citation Information
Patent Citations
A parts clamping device for intelligent manufacturing production line
CN220994235U