Cylinder conveying line for cutting and rounding to edging

By installing protective plates and limiting sliding shaft structures between the sliding legs of the cylindrical conveyor line, and combining gear and rack to adjust the distance of the sliding legs, the safety hazards of personnel being pinched or items being stuck during the extension and retraction of the cylindrical conveyor line are solved, achieving higher safety and stability.

CN223920242UActive Publication Date: 2026-02-17HESHAN SHIYUN CIRCUIT TECH CO LTD
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Patent Information

Application Number
CN202520529205.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-17
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Existing cylindrical conveyor lines are prone to injuring people or getting stuck on items during the extension and retraction process, posing a safety hazard.

Method used

Protective plates are installed between the sliding legs, and the relative sliding connection of the protective plates is achieved through the limiting sliding shaft and sliding groove structure, which shields the cross angle change of the cross parts. Combined with the gear and rack structure, the distance of the sliding legs is adjusted to enhance safety.

Benefits of technology

This reduces the possibility of people or objects getting caught when the cross angle of the cross connecting rod changes, and improves the safety and stability of the cylindrical conveyor line when its length changes.

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Abstract

The utility model discloses a cylinder conveying line for cutting a round corner to edging, and belongs to the technical field of circuit board processing. The device comprises two sliding foot stools, a telescopic cross assembly is connected between the two sliding foot stools, protection plates used for shielding the telescopic cross assembly are installed on the two sides of the sliding foot stools, a limiting sliding shaft is arranged between the two protection plates in a penetrating mode, and the protection plates are provided with limiting grooves for the limiting sliding shaft to slide. The protective plates are arranged on the two sides between the two sliding foot stools, the two protective plates on the same side are in relative sliding connection through the limiting sliding shaft and the sliding groove structure and can change along with the stretching length change of the two sliding foot stools, and when the two sliding foot stools are close to or away from each other relatively, the protective plates can be separated from the sliding foot stools. The protection plates on the two sides can shield the cross angle change of the telescopic cross assembly outwards, the situation that the telescopic cross assembly clamps other people or objects is reduced, and the safety is improved when the length of the cylinder conveying line is changed.
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Description

Technical Field

[0001] This utility model relates to the field of circuit board processing technology, and in particular to a cylindrical conveyor line for cutting rounded corners to grinding edges. Background Technology

[0002] The process of processing circuit boards involves cutting with a cutting machine, processing with a corner rounding machine, edge grinding with a board feeding machine, and washing and drying with a washing and drying line. The boards need to be moved between different workstations. To improve the efficiency of board handling, a freely stretchable cylindrical conveyor line can be used.

[0003] The cylindrical conveyor line is equipped with sliding legs and multiple interconnected cross-connecting structures mounted on both sides of the two sliding legs. Rollers are rotatably installed between the corresponding cross-connecting structures on both sides, and the multiple rollers form a conveying path. During the extension and retraction of the cylindrical conveyor line, the intersection angle of the cross-connecting parts changes, which can easily cause people to be pinched or nearby objects to get stuck, posing a certain safety hazard. Utility Model Content

[0004] The purpose of this utility model is to provide a cylindrical conveyor line for cutting rounded corners to grinding edges, so as to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0005] The technical solution adopted to solve the above-mentioned technical problems is as follows: A cylindrical conveyor line for cutting rounded corners to grinding edges includes two sliding legs. Telescopic cross assemblies are connected between the two sides of the two sliding legs on opposite sides. Each telescopic cross assembly includes multiple cross members connected in sequence. Each cross member includes two connecting rods rotatably connected in the middle. The upper and lower ends of adjacent cross members are rotatably connected respectively. The upper end of the cross member closer to the sliding leg rotates on the sliding leg, and the lower end slides on the sliding leg. A cylinder is rotatably connected between the two cross members. Protective plates for shielding the telescopic cross assemblies are installed on both sides of the sliding legs. A limiting slide shaft passes through the two protective plates on the same side of the two sliding legs. The protective plates have limiting grooves for the limiting slide shaft to slide.

[0006] The technical solution has at least the following beneficial effects: protective plates are installed on both sides between the two sliding legs, and the two protective plates on the same side are relatively slidably connected by a limiting sliding shaft and a sliding groove structure. This connection can change with the stretching length of the two sliding legs. When the two sliding legs are relatively close or far apart, the protective plates on both sides can block the change of the intersection angle of the cross parts, reducing the possibility of other people or objects being pinched when the two cross connecting rods change their intersection angle, and improving the safety of the cylindrical conveyor line when changing its length.

[0007] As a further improvement to the above technical solution, one of the sliding legs is equipped with a first rod on both sides, and the other sliding leg is equipped with a second rod on both sides. A first rack and a second rack, which are slidably connected to each other, are respectively provided on opposite sides of the first and second rods. The first rack and the second rack are meshed with a gear. By rotating the gear, the first rack and the second rack can be moved relative to each other, thereby adjusting the distance between the two sliding legs.

[0008] As a further improvement to the above technical solution, the first rack and the second rack, located on opposite sides, are positioned at opposite heights, and both the first rod and the second rod are rotatably connected to their respective sliding legs. When the two gears are rotated in the same direction, the distance between the two sliding legs on both sides can be adjusted in opposite directions, thereby facilitating the adjustment of the curvature of the cylindrical conveyor line.

[0009] As a further improvement to the above technical solution, both the first rod and the second rod are telescopic rods and are equipped with fixing screws for fixing the telescopic length. When the fixing screws are loosened, the distance between the two sliding legs can be easily adjusted by stretching. After the fixing screws are tightened, the curvature of the cylindrical conveyor line can be easily adjusted by rotating the gears.

[0010] As a further improvement to the above technical solution, the two gears share a common drive shaft, which can synchronously drive the two gears to rotate. By rotating the drive shaft, the two gears can be rotated synchronously.

[0011] As a further improvement to the above technical solution, handwheels are installed at one or both ends of the drive shaft to facilitate rotation of the drive shaft.

[0012] As a further improvement to the above technical solution, the limiting slide shaft is provided with at least two shafts of different heights. This improves the sliding and telescopic stability between the two protective plates.

[0013] As a further improvement to the above technical solution, the sliding bracket has a groove for the lower end of the cross member to slide, and a protrusion that slides within the groove is rotatably mounted on the lower end of the cross member. This improves the stability of the cross member when adjusting the crossing angle.

[0014] As a further improvement to the above technical solution, the protrusion is threadedly fitted with an adjusting screw that abuts against the sliding bracket, and the adjusting screw is slidably connected to the sliding bracket. This facilitates fixing the crossing angle of the cross members, thereby limiting the posture of the cylindrical conveyor line.

[0015] As a further improvement to the above technical solution, the protective plate is provided with a mounting screw that is threadedly connected to the sliding bracket. This facilitates the installation and removal of the protective plate. Attached Figure Description

[0016] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0017] Figure 1 This is a schematic diagram showing the distribution of the cutting machine, corner rounding machine, and edge grinding machine in an embodiment of this utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0019] 100. Sliding leg; 110. Groove; 120. Protrusion; 130. Adjusting screw; 200. Cross member; 300. Cylinder; 400. Protective plate; 410. Mounting screw; 420. Limiting slide shaft; 430. Limiting groove; 500. First rod; 510. Second rod; 520. Fixing screw; 600. First rack; 610. Second rack; 620. Gear; 630. Drive shaft; 640. Handwheel; 650. Limiting frame; 700. Cutting machine; 710. Corner rounding machine; 720. Edge grinding line plate head machine. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0021] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0023] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0024] Reference Figure 1-2 During the processing of circuit boards, the boards first need to be cut by the cutting machine 700, then transported to the corner rounding machine 710 for corner rounding, and then transported to the edge grinding line board head machine 720 for edge grinding. Between different workstations, such as between cutting and corner rounding, and between corner rounding and edge grinding, the semi-finished boards need to be moved. To facilitate the transport of the semi-finished boards, a freely stretchable cylindrical conveyor line can be used.

[0025] In this embodiment, the cylindrical conveyor line for cutting rounded corners to grinding edges includes two sliding legs 100 and two telescopic cross assemblies. Each sliding leg 100 has pulleys installed on both sides of its bottom to facilitate sliding. The two ends of the two telescopic cross assemblies are respectively connected between opposite sides of the two sliding legs 100. Specifically, one side of the first sliding leg 100 connects to one side of the first telescopic cross assembly; the side of the first telescopic cross assembly away from the first sliding leg 100 connects to one side of the second sliding leg 100; the side of the second sliding leg 100 away from the first telescopic cross assembly connects to one side of the second telescopic cross assembly; and the side of the second telescopic cross assembly away from the second sliding leg 100 connects to the side of the first sliding leg 100 away from the first telescopic cross assembly. This allows the two telescopic cross assemblies to connect the two sliding legs 100, forming a single integrated structure.

[0026] The telescopic cross assembly is telescopic. Specifically, the telescopic cross assembly includes multiple cross members 200 connected in sequence. Each cross member 200 includes two connecting rods of the same length, which are rotatably connected at the middle by rivets, forming four connection points: upper left, lower left, upper right, and lower right. The upper left connection point between two adjacent cross members 200 is rotatably connected to the upper right connection point, and the lower left connection point is rotatably connected to the lower right connection point. In the cross member 200 closest to the sliding leg 100, the upper left connection point of one cross member 200 and the upper right connection point of the other cross member 200 are respectively installed at the top position of the corresponding sliding leg 100. The lower left and lower right connection points closest to the sliding leg 100 are rotatably equipped with protrusions 120. Grooves 110 are provided on both sides of the sliding leg 100, and the protrusions 120 are slidably disposed in the grooves 110 in the vertical direction. In the cross member 200 closest to the sliding leg 100, the lower left connection point of one cross member 200 and the lower right connection point of the other cross member 200 are stably slidably mounted on their respective sliding legs 100. Cylinders 300 are connected between the upper left and upper right connection points of the two corresponding cross members 200 located on both sides, so that multiple cylinders 300 together form a conveyor track. In other embodiments, the cylinders 300 can be replaced with a cylindrical shaft with multiple rolling wheels arranged side by side.

[0027] When the two sliding legs 100 are pulled, the telescopic cross components on both sides are extended. At this time, the cross angle between the two connecting rods in the cross member 200 changes, and the protrusion 120 slides upward in the groove 110. When the distance between the two sliding legs 100 is shortened, the cross angle between the two connecting rods in the cross member 200 changes, and the protrusion 120 slides downward in the groove 110, thereby realizing the lengthening and shortening of the cylindrical conveyor line. A groove communicating with the groove 110 is provided on one side of the sliding leg 100. An adjusting screw 130 is inserted into the groove of the sliding leg 100. The rod of the adjusting screw 130 passes through the groove and is threadedly connected to the protrusion 120. The head of the adjusting screw 130 abuts against the outer wall of the sliding leg 100. This limits the sliding position of the protrusion 120 in the groove 110, thereby limiting the cross angle of the cross member 200, that is, preventing the distance between the two sliding legs 100 from changing, and thus maintaining the posture of the cylindrical conveyor line. In other embodiments, instead of providing a separate groove for the adjusting screw 130 to slide, the adjusting screw 130 can also slide in the groove 110.

[0028] However, during the lengthening or shortening of the cylindrical conveyor line, the intersection angle between the two connecting rods in the cross member 200 changes, and the connecting rods between adjacent cross members 200 also rotate relative to each other. This can easily trap goods, clothing, or even limbs, posing a significant safety hazard. Therefore, in this embodiment, protective plates 400 are installed on both sides of the sliding bracket 100. The two protective plates 400 on the same side of the two sliding brackets 100 overlap, and two limiting sliding shafts 420 pass through the overlapping part. The two limiting sliding shafts 420 are arranged vertically, one high and one low. Each of the two corresponding protective plates 400 has two limiting grooves 430 for the two limiting sliding shafts 420 to slide horizontally. This allows for relative sliding between the two protective plates 400. To limit the position of the free end of the protective plate 400, two limiting sliding shafts 420 can be inserted into a limiting groove 430. The two limiting sliding shafts 420 are respectively fixed on the side wall of the two limiting grooves 430 near the free end of the protective plate 400. The two limiting sliding shafts 420 and the other limiting groove 430 remain in sliding connection, thereby ensuring the stability and reliability of the relative sliding of the two protective plates 400.

[0029] When the two sliding legs 100 move relative to each other, the two protective plates 400 on the same side slide relative to each other and extend and retract. The protective plates 400 cover the outer side of the telescopic cross components on both sides, thereby reducing the possibility of the cross components 200 clamping objects or people and improving overall safety.

[0030] To facilitate the installation and removal of the protective plate 400, the protective plate 400 is provided with a mounting screw 410. The mounting screw 410 passes through the protective plate 400 and is threadedly connected to the corresponding sliding bracket 100, so that the protective plate 400 can be detachably installed on the corresponding sliding bracket 100 by means of the mounting screw 410.

[0031] Furthermore, a first rod 500 is rotatably mounted on both sides of the first sliding leg 100 facing the second sliding leg 100, and the rotation axis of the first rod 500 is set vertically.

[0032] The first rod 500 is a telescopic rod, and the telescopic end of the first rod 500 is equipped with a first rack 600.

[0033] The second rod 510 is rotatably mounted on both sides of the second sliding leg 100 facing the first sliding leg 100, and the rotation axis of the second rod 510 is also set vertically.

[0034] The second rod 510 is also a telescopic rod, and the telescopic end of the second rod 510 is equipped with a second rack 610.

[0035] The first rack 600 and the second rack 610 are together fitted with a limiting frame 650, and a gear 620 is rotatably mounted inside the limiting frame 650. The first rack 600 and the second rack 610 are respectively located on the upper and lower sides of the gear 620, and both the first rack 600 and the second rack 610 are meshed with the gear 620.

[0036] Under the constraint of the limiting frame 650, the first rack 600 and the second rack 610 maintain a relatively sliding connection, so that the first rod 500, the first rack 600, the gear 620, the second rack 610 and the second rod 510 form an integral structure that can maintain a straight horizontal state.

[0037] Both the first rod 500 and the second rod 510 include a first telescopic portion and a second telescopic portion that slide relative to each other. A fixing screw 520 is threaded onto the first telescopic portion of both rods 500 and 510. The fixing screw 520 abuts against the corresponding second telescopic portion, thereby restricting the relative sliding between the first and second telescopic portions. Operating the fixing screw 520 allows for easy determination of whether the first rod 500 and the second rod 510 can slide relative to each other. In use, the distance between the two sides of the sliding feet 100 can be adjusted by individually rotating the gears 620 on both sides.

[0038] The first rack 600 on one side is positioned above the second rack 610, while the first rack 600 on the other side is positioned below the second rack 610.

[0039] Two gears 620 located on opposite sides are connected to a drive shaft 630, which is also connected to a limit frame 650. A handwheel 640 is installed at one end of the drive shaft 630.

[0040] Rotating the handwheel 640 facilitates the rotation of the drive shaft 630, which in turn drives the two gears 620 to rotate relative to each other. When the handwheel 640 is rotated, the two gears 620 rotate synchronously, causing the distance between the first rack 600 and the second rack 610, which are located on opposite sides, to increase on one side and decrease on the other, thus making the cylindrical conveyor line curved to facilitate changes in the conveying direction.

[0041] The conveying direction of the cylindrical conveyor line can be easily changed by one person operating the handwheel. It should be noted that some components, such as the connecting rod in the cross member 200, have a certain degree of flexibility to accommodate the bending capacity of the cylindrical conveyor line. One of the gears 620 can slide a certain distance relative to the drive shaft 630 along the axis, thereby accommodating changes in distance when the cylindrical conveyor line bends.

[0042] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A cylinder conveying line for slitting and rounding to edging, characterized in that, The device includes two sliding legs, with telescopic cross assemblies connected between the two sides of each sliding leg on opposite sides. Each telescopic cross assembly includes multiple cross members connected in sequence. Each cross member includes two connecting rods rotatably connected to each other in the middle. The upper and lower ends of adjacent cross members are rotatably connected respectively. The upper end of the cross member closer to the sliding leg rotates on the sliding leg, and the lower end slides on the sliding leg. A cylinder is rotatably connected between the two cross members on both sides. Protective plates for shielding the telescopic cross assemblies are installed on both sides of the sliding legs. A limiting slide shaft passes through the two protective plates on the same side of the two sliding legs. The protective plates have limiting grooves for the limiting slide shaft to slide.

2. The cylinder transfer line for slitting, rounding and edging according to claim 1, characterized in that: One of the sliding legs is equipped with a first rod on both sides, and the other sliding leg is equipped with a second rod on both sides. The first rod and the second rod are respectively provided with a first rack and a second rack that are slidably connected on opposite sides. The first rack and the second rack are meshed with a gear.

3. A cylinder transfer line for slitting, rounding and edging according to claim 2, characterized in that: The first rack and the second rack, which are located on opposite sides, are positioned at opposite heights, and both the first rod and the second rod are rotatably connected to the corresponding sliding legs.

4. The cylinder transfer line for slitting, rounding and edging according to claim 3, characterized in that: Both the first rod and the second rod are telescopic rods and are equipped with fixing screws for fixing the telescopic length.

5. The cylinder transfer line for slitting, rounding and edging according to claim 2, characterized in that: The two gears are connected to a drive shaft, which can synchronously drive the two gears to rotate.

6. A cylinder transfer line for slitting, rounding and edging according to claim 5, characterized in that: A handwheel is installed at one or both ends of the drive shaft.

7. The cylinder transfer line for slitting, rounding and edging according to claim 1, characterized in that: The limiting slide shaft is provided with at least two shafts of different heights.

8. The cylinder transfer line for slitting, rounding and edging according to claim 1, characterized in that: The sliding bracket has a groove for the lower end of the cross member to slide, and the lower end of the cross member is rotatably mounted with a protrusion that slides within the groove.

9. A cylinder transfer line for slitting, rounding and edging according to claim 8, characterized in that: The protrusion is threaded with an adjusting screw that abuts against the sliding leg, and the adjusting screw is slidably connected to the sliding leg.

10. The cylinder transfer line for slitting, rounding and edging according to claim 1, characterized in that: The protective plate is fitted with a mounting screw that is threadedly connected to the sliding leg.