Slitting device for blow-molded part

Abstract

The utility model discloses a blow molding part cutting device which comprises a machine base, a conveying line, a clamping and holding mechanism, a cutting mechanism and a rotary driver. A first rotating wheel is rotationally arranged on the base; the conveying line is arranged on the machine base. The clamping mechanism comprises a movable seat, at least two second rotating wheels and a clamping driver, the second rotating wheels are rotationally arranged on the movable seat, the rotating axes of the second rotating wheels are parallel to the rotating axis of the first rotating wheel, the movable seat is movably arranged on the machine base and enables the second rotating wheels to be close to or away from the first rotating wheel, and a workpiece clamping position is formed between the first rotating wheel and the second rotating wheels; the workpiece clamping position is located on the upper side of the conveying line, the clamping driver is arranged between the machine base and the movable base, and the clamping driver can drive the movable base to move. The cutting mechanism comprises a cutting knife and a cutting driver, the cutting knife is movably arranged on the machine base and can be close to or away from the workpiece clamping and holding position, and the cutting driver is arranged on the machine base and can drive the cutting knife to move; the rotating driver is arranged on the machine base and used for driving the first rotating wheel and / or the second rotating wheel to rotate.

Description

Technical Field

[0001] The utility model relates to the field of blow molding container processing, in particular to a blow molding part cutting device. Background Art

[0002] Plastic bottles and cans on the market are usually produced by blow molding. There is a small plastic bottle and can that is approximately cylindrical. During the production process, a blow molding machine is used to blow the blank into a small hollow shell that is approximately cylindrical. Then the blow molding machine sends the hollow shells into a collection box one by one. The production staff puts the hollow shells in the collection box into a cutting device. The cutting device cuts the hollow shells into two plastic bottles and cans. Then the production staff takes out the two plastic bottles and cans from the cutting device. The aforementioned cutting device has low production efficiency and high labor intensity for the production staff. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a blow molded part cutting device, which can improve production efficiency and reduce labor intensity.

[0004] According to the blow molding part cutting device of the embodiment of the utility model, it includes a machine base, a conveyor line, a clamping mechanism, a cutting mechanism and a rotary drive. The machine base is rotatably provided with a first rotating wheel; the conveyor line is provided on the machine base; the clamping mechanism includes a movable seat, at least two second rotating wheels and a clamping drive, the second rotating wheel is rotatably provided on the movable seat, the second rotating wheel is parallel to the rotation axis of the first rotating wheel, the movable seat is movably provided on the machine base and can make the second rotating wheel approach or move away from the first rotating wheel, a workpiece clamping position is formed between the first rotating wheel and the second rotating wheel, the workpiece clamping position is located on the upper side of the conveyor line, the clamping drive is provided between the machine base and the movable seat, and the clamping drive can drive the movable seat to move; the cutting mechanism includes a cutting knife and a cutting drive, the cutting knife is movably provided on the machine base and can approach or move away from the workpiece clamping position, the cutting drive is provided on the machine base and can drive the cutting knife to move; the rotary drive is provided on the machine base and is used to drive the first rotating wheel and / or the second rotating wheel to rotate.

[0005] The blow molded parts cutting device according to the embodiment of the utility model has at least the following beneficial effects: the conveyor line is docked with the unloading place of the blow molding machine, the conveyor line conveys the workpiece produced by the blow molding machine to the workpiece clamping position, and then the clamping driver drives the movable seat to move so that the second rotary wheel is close to the first rotary wheel, clamping the workpiece on the conveyor line, and the rotating driver drives the workpiece to rotate directly on the conveyor line through the first rotary wheel or the second rotary wheel. During this period, the cutting driver drives the cutting knife to approach the workpiece and gradually cuts the workpiece into two plastic bottles and cans. After the cutting is completed, the cutting knife and the movable seat are reset to wait for the next workpiece to be processed, and the conveyor line continues to convey the plastic bottles and cans to the next process, so that the above-mentioned blow molded parts cutting device can continuously cut the hollow shells produced by the blow molding machine, improve production efficiency, and reduce labor intensity.

[0006] According to some embodiments of the present invention, the first rotating wheel and the second rotating wheel are respectively located on both sides of the conveying line.

[0007] According to some embodiments of the utility model, the clamping mechanism is provided with two second rotating wheels, the cutting knife is located between the two second rotating wheels, and the cutting knife is movably provided on the machine base and opposite to the first rotating wheel along the moving axis.

[0008] According to some embodiments of the utility model, the rotation axis of the second rotating wheel is arranged vertically, the second rotating wheel includes an upper wheel body and a lower wheel body arranged vertically, the movable seat is vertically provided with a mounting shaft, the upper wheel body and the lower wheel body are respectively rotatably arranged on the mounting shaft, the upper wheel body is higher than the cutting knife, and the lower wheel body is lower than the cutting knife.

[0009] According to some embodiments of the present invention, the upper portion of the first rotating wheel is opposite to the upper wheel body, and the lower portion of the first rotating wheel is opposite to the lower wheel body.

[0010] According to some embodiments of the present invention, a convex ring portion surrounds the outer circumference of the second rotating wheel.

[0011] According to some embodiments of the present invention, the second rotating wheel has at least two convex ring portions arranged at intervals along the direction of the rotation axis.

[0012] According to some embodiments of the utility model, the cutting knife is movably connected to the movable seat through the cutting driver, the movable seat is movably arranged on the machine base, and the moving axis of the cutting knife is parallel to the moving axis of the movable seat.

[0013] According to some embodiments of the present invention, the position of the cutting mechanism can be adjusted along the rotation axis direction of the first rotating wheel.

[0014] According to some embodiments of the present invention, the slitting mechanism further comprises a connecting frame, the slitting driver is connected to the connecting frame in an adjustable position along the moving axis direction of the slitting knife, and the slitting knife is connected to the slitting driver.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a three-dimensional schematic diagram of a blow molded part cutting device according to an embodiment of the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of a blow molded part cutting device according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the partial structure of the clamping mechanism and the cutting mechanism of an embodiment of the utility model.

[0020] Reference numerals:

[0021] A machine base 100, a first rotating wheel 110;

[0022] Conveyor line 200;

[0023] The clamping mechanism 300, the movable seat 310, the second rotating wheel 320, the upper wheel body 321, the lower wheel body 322, the convex ring part 323, and the clamping driver 330;

[0024] Cutting mechanism 400, cutting knife 410, cutting driver 420, connecting frame 430;

[0025] Hollow shell 500. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] Reference Figures 1 to 3 , is a blow molded part cutting device of an embodiment of the utility model, comprising a machine base 100, a conveyor line 200, a clamping mechanism 300, a cutting mechanism 400 and a rotary driver. The machine base 100 is rotatably provided with a first rotating wheel 110; the conveyor line 200 is provided on the machine base 100; the clamping mechanism 300 comprises a movable seat 310, two second rotating wheels 320 and a clamping driver, the second rotating wheels 320 are rotatably provided on the movable seat 310, the second rotating wheels 320 are parallel to the rotation axis of the first rotating wheel 110, the movable seat 310 is movably provided on the machine base 100 and can make the second rotating wheels 320 approach or move away from the first rotating wheel 110, a workpiece clamping position is formed between the first rotating wheel 110 and the second rotating wheel 320, the workpiece The workpiece clamping position is located on the upper side of the conveyor line 200, the clamping driver 330 is arranged between the machine base 100 and the movable seat 310, and the clamping driver 330 can drive the movable seat 310 to move; the cutting mechanism 400 includes a cutting knife 410 and a cutting driver 420, the cutting knife 410 is movably arranged on the machine base 100 and can approach or move away from the workpiece clamping position, the cutting driver 420 is arranged on the machine base 100 and can drive the cutting knife 410 to move; the rotating driver is arranged on the machine base 100 and is used to drive the first rotating wheel 110 to rotate.

[0031] The conveyor line 200 is connected to the unloading point of the blow molding machine. The conveyor line 200 conveys the workpiece produced by the blow molding machine to the workpiece clamping position. Then the clamping driver 330 drives the movable seat 310 to move so that the second rotary wheel 320 is close to the first rotary wheel 110, clamping the workpiece on the conveyor line 200, and the rotating driver drives the workpiece to rotate directly on the conveyor line 200 through the first rotary wheel 110 or the second rotary wheel 320. During this period, the cutting driver 420 drives the cutting knife to approach the workpiece and gradually cuts the workpiece into two plastic bottles and cans. After the cutting is completed, the cutting knife 410 and the movable seat 310 are reset to wait for the next workpiece to be processed. At the same time, the conveyor line 200 continues to convey the plastic bottles and cans to the next process, so that the above-mentioned blow molding part cutting device can continuously cut the hollow shells produced by the blow molding machine, improve production efficiency, and reduce labor intensity.

[0032] Specifically, the first rotating wheel 110 is a rotating roller, which is rotatably disposed on the base 100 through a connecting shaft and is transmission-connected to a rotating driver, and the rotating driver can be a structure that outputs rotating power such as a motor or an internal combustion engine to drive the rotating roller to rotate. It is conceivable that the rotating driver can also drive the second rotating wheel 320 to rotate, thereby driving the hollow shell to rotate.

[0033] Specifically, the clamping driver is a cylinder, the first rotating wheel 110 is located in the extension direction of the piston rod of the cylinder, and the movable seat 310 is directly connected to the piston rod of the cylinder. When the piston rod is extended and retracted, the entire movable seat 310 is driven to approach or move away from the first rotating wheel 110, that is, the second rotating wheel 320 thereon is driven to approach or move away from the first rotating wheel 110, so as to clamp or release the hollow shell workpiece on the conveyor belt. It is conceivable that the clamping driver 330 can also be other structures. For example, the clamping driver 330 uses an electric cylinder or an oil cylinder to directly drive the movable seat 310 to approach or move away from the first rotating wheel 110. At this time, the movable seat 310 moves in a straight line direction. It is understandable that the movable seat 310 can also be slidably connected to the machine base 100 through a slide rail and slider structure or a guide column and guide sleeve structure, and driven to move by the clamping driver 330.

[0034] It is conceivable that in other embodiments, the movable seat 310 may be rotatably connected to the base 100, and the second rotating wheel 320 may be moved closer to or farther from the first rotating wheel 110 by rotating the movable seat 310. In this case, the clamping driver 330 may be a stepping motor or a rotary cylinder or other structure that outputs rotational power.

[0035] In the embodiment, the first rotating wheel 110 and the second rotating wheel 320 are respectively located on both sides of the conveyor line 200. The above structure facilitates the first rotating wheel 110 and the second rotating wheel 320 to clamp the workpiece when the movable seat 310 is close to the first rotating wheel 110; when the movable seat 310 is away from the first rotating wheel 110, it is convenient to let the workpiece on the conveyor line 200 be driven by the conveyor line 200 to move, and the structure is simple and easy to implement.

[0036] In the embodiment, the clamping mechanism 300 is provided with two second rotating wheels 320, and the slitting knife 410 is located between the two second rotating wheels 320. The slitting knife 410 is movably provided on the machine base 100 and is opposite to the first rotating wheel 110 along the moving axis. The two second rotating wheels 320 are provided so that the workpiece can be clamped relatively stably with the first rotating wheel 110, and the number of the second rotating wheels 320 is small, which reduces the equipment cost; when the slitting knife 410 cuts into the workpiece, the first rotating wheel 110 can provide the workpiece with a counteracting support force, so that the workpiece will not shake, thereby making the slitting knife 410 have better stability in cutting the workpiece.

[0037] It is conceivable that the clamping mechanism 300 may also be provided with three or more second rotating wheels 320 , as long as the second rotating wheels 320 can clamp the workpiece when moving toward the first rotating wheel 110 .

[0038] In the embodiment, the rotation axis of the second rotating wheel 320 is arranged vertically, and the second rotating wheel 320 includes an upper wheel body 321 and a lower wheel body 322 arranged vertically, and the movable seat 310 is vertically provided with a mounting shaft, and the upper wheel body 321 and the lower wheel body 322 are respectively rotatably arranged on the mounting shaft, and the upper wheel body 321 is higher than the cutting knife 410, and the lower wheel body 322 is lower than the cutting knife 410. The second rotating wheel 320 is divided into an upper wheel body 321 and a lower wheel body 322, which can better avoid the movement of the cutting knife 410, so that the structure of the blow molded part cutting device is more compact, which is suitable for processing small hollow shells.

[0039] It is conceivable that in other embodiments, the second wheel body may also be a rotating roller, and the rotating roller is longer and can contact two vertical sections of the workpiece simultaneously.

[0040] In the embodiment, the upper part of the first rotating wheel 110 is opposite to the upper wheel body 321, and the lower part of the first rotating wheel 110 is opposite to the lower wheel body 322. The above structure enables the workpiece to be clamped more firmly by the first rotating wheel 110 and the second rotating wheel 320 when the workpiece is not released after being cut. Specifically, when the workpiece is cut vertically, the two upper wheel bodies 321 and the upper part of the first rotating wheel 110 clamp the upper section of the workpiece, and the two lower wheel bodies 322 and the lower part of the first rotating wheel 110 clamp the lower section of the workpiece.

[0041] In the embodiment, the outer circumference of the second rotating wheel 320 is surrounded by a convex ring portion 323. Specifically, a concave ring groove is also provided on the outside of the hollow shell. When the first rotating wheel 110 and the second rotating wheel 320 clamp the hollow shell, the concave ring groove cooperates with the convex ring portion 323, so that when the hollow shell rotates, it will not move relative to the first rotating wheel 110 and the second rotating wheel 320 along the rotation axis direction, thereby avoiding the cutting position being skewed when the cutting knife 410 cuts the hollow shell, and improving the quality stability of the produced plastic bottles and cans.

[0042] Specifically, the outer peripheries of the upper wheel body 321 and the lower wheel body 322 are both surrounded by a convex ring portion 323, and the upper wheel body 321 is surrounded by two convex ring portions 323, which are arranged at intervals along the direction of its rotation axis; the lower wheel body 322 is also surrounded by two convex ring portions 323, which are arranged at intervals along the direction of its rotation axis. It is understandable that the number of convex ring portions 323 provided on the upper wheel body 321 and the lower wheel body 322 can also be other numbers, and those skilled in the art can make specific configurations according to actual needs.

[0043] In the embodiment, the second rotating wheel 320 has four convex ring portions 323 arranged at intervals along the rotation axis direction. Specifically, the upper wheel body 321 is provided with two convex ring portions 323, and the lower wheel body 322 is provided with two convex ring portions 323, so that the effect of axially limiting the hollow shell is better. It is conceivable that the second rotating wheel 320 can also be arranged with two, three or more convex ring portions 323 at intervals along the rotation axis direction, and those skilled in the art can make specific configurations according to actual needs.

[0044] In the embodiment, the slitting knife 410 is movably connected to the movable seat 310 through the slitting driver 420, and the movable seat 310 is movably arranged on the machine base 100, and the moving axis of the slitting knife 410 is parallel to the moving axis of the movable seat 310. When the movable seat 310 approaches or moves away from the first rotating wheel 110, it can also drive the slitting knife 410 to approach or move away from the workpiece at the workpiece clamping position. The device has a simple structure, and the slitting knife 410 cannot contact the workpiece before the first rotating wheel 110 and the second rotating wheel 320 clamp the workpiece, and the device has a good foolproof effect.

[0045] Specifically, the slitting driver 420 is a cylinder, which drives the slitting knife 410 to move linearly toward or away from the workpiece, and the structure is simple and easy to implement. It is conceivable that the slitting driver 420 can also be a structure that outputs linear power, such as an electric cylinder, or the slitting driver 420 is a turntable, a lead screw and a lead screw nut structure, and the user rotates the lead screw through the turntable, and the slitting knife 410 is connected to the lead screw nut, driving the slitting knife 410 to move.

[0046] It is conceivable that in other embodiments, the cutting knife 410 may be directly and movably connected to the base 100 via a cutting driver 420 ; or the cutting knife 410 is slidably disposed on the base 100 and is moved by the cutting driver 420 .

[0047] It is conceivable that in other embodiments, the cutting knife 410 may be rotatably connected to the base 100, and move closer to or away from the workpiece by rotation. In this case, the cutting driver 420 may adopt a stepping motor or a rotary cylinder or the like.

[0048] In the embodiment, the position of the cutting mechanism 400 is adjustable along the rotation axis direction of the first rotating wheel 110. The position of the cutting mechanism 400 is adjustable, which facilitates batch control of the position of the cutting knife 410 cutting the hollow shell to meet different product production requirements.

[0049] Specifically, the movable seat 310 is provided with a strip hole in the vertical direction, and the cutting mechanism 400 is provided with a through hole, and a bolt and nut pair are passed through the through hole and the strip hole, which can lock the position of the cutting mechanism 400 when tightened, and allow the cutting mechanism 400 to adjust its position along the rotation axis direction of the first rotating wheel 110 when loosened. It is conceivable that the cutting mechanism 400 can also be adjusted in position by other means, for example, a plurality of threaded holes are arranged on the movable seat 310, and a through hole is provided on the cutting mechanism 400, and a screw is passed through the through hole, and the screw can be switched to be threadedly connected to different threaded holes to adjust the position of the cutting mechanism 400.

[0050] In the embodiment, the slitting mechanism 400 further includes a connecting frame 430, and the slitting driver 420 is connected to the connecting frame 430 in an adjustable position along the moving axis direction of the slitting knife 410, and the slitting knife 410 is connected to the slitting driver 420. The above structure facilitates the adjustment of the starting and ending positions of the travel of the slitting knife 410, so that the applicability of the slitting device is better. Specifically, the slitting driver 420 is provided with a threaded hole, and the connecting frame 430 is provided with a strip hole along the moving axis direction of the slitting knife 410. The screw is passed through the strip hole and threadedly connected to the threaded hole. When the screw is tightened, the position of the slitting driver 420 is locked, and when the screw is loosened, the slitting driver 420 is allowed to adjust the position. It is conceivable that the structure of the adjustable position of the slitting driver 420 relative to the connecting frame 430 can also be other ways, for example, a plurality of threaded holes are arranged on the connecting frame 430, a through hole is provided on the slitting driver 420, a screw is passed through the hole, and the screw is threadedly connected to different threaded holes to adjust the position of the slitting driver 420.

[0051] Specifically, the blow molded part cutting device is suitable for cutting relatively small hollow parts, especially plastic hollow parts that can be transported by the conveyor line 200.

[0052] Specifically, the conveyor line 200 adopts a chain plate conveyor line 200, which has a simple and durable structure. It is conceivable that the conveyor line 200 can also adopt a belt conveyor line 200 or a roller conveyor line 200, and those skilled in the art can configure it specifically according to actual needs.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A blow molded part cutting device, characterized in that: include: A machine base (100) is rotatably provided with a first rotating wheel (110); A conveyor line (200) is arranged on the machine base (100); A clamping mechanism (300) comprises a movable seat (310), at least two second rotating wheels (320) and a clamping driver (330), wherein the second rotating wheels (320) are rotatably arranged on the movable seat (310), the second rotating wheels (320) are parallel to the rotation axis of the first rotating wheel (110), the movable seat (310) is movably arranged on the machine base (100) and can make the second rotating wheel (320) approach or move away from the first rotating wheel (110), a workpiece clamping position is formed between the first rotating wheel (110) and the second rotating wheel (320), the workpiece clamping position is located on the upper side of the conveying line (200), and the clamping driver (330) is arranged between the machine base (100) and the movable seat (310), and the clamping driver (330) can drive the movable seat (310) to move; The slitting mechanism (400) comprises a slitting knife (410) and a slitting driver (420), wherein the slitting knife (410) is movably arranged on the machine base (100) and can approach or move away from the workpiece clamping position, and the slitting driver (420) is arranged on the machine base (100) and can drive the slitting knife (410) to move; A rotary driver is arranged on the machine base (100) and is used to drive the first rotating wheel (110) and / or the second rotating wheel (320) to rotate.

2. The blow molded part cutting device according to claim 1, characterized in that: The first rotating wheel (110) and the second rotating wheel (320) are respectively located on two sides of the conveying line (200).

3. The blow molded part cutting device according to claim 2, characterized in that: The clamping mechanism (300) is provided with two second rotating wheels (320), the cutting knife (410) is located between the two second rotating wheels (320), and the cutting knife (410) is movably arranged on the machine base (100) and is opposite to the first rotating wheel (110) along a moving axis.

4. The blow molded part cutting device according to claim 1, characterized in that: The rotation axis of the second rotating wheel (320) is arranged vertically, and the second rotating wheel (320) includes an upper wheel body (321) and a lower wheel body (322) arranged vertically. The movable seat (310) is provided with a mounting shaft in the vertical direction, and the upper wheel body (321) and the lower wheel body (322) are respectively rotatably arranged on the mounting shaft. The upper wheel body (321) is higher than the cutting knife (410), and the lower wheel body (322) is lower than the cutting knife (410).

5. The blow molded part cutting device according to claim 4, characterized in that: The upper portion of the first rotating wheel (110) is opposite to the upper wheel body (321), and the lower portion of the first rotating wheel (110) is opposite to the lower wheel body (322).

6. The blow molded part cutting device according to claim 1, characterized in that: The outer circumference of the second rotating wheel (320) is surrounded by a convex ring portion (323).

7. The blow molded part cutting device according to claim 6, characterized in that: The second rotating wheel (320) has at least two convex ring portions (323) arranged at intervals along the direction of the rotating axis.

8. The blow molded part cutting device according to claim 1, characterized in that: The slitting knife (410) is movably connected to the movable seat (310) via the slitting driver (420); the movable seat (310) is movably arranged on the machine base (100); and the moving axis of the slitting knife (410) is parallel to the moving axis of the movable seat (310).

9. The blow molded part cutting device according to claim 1, characterized in that: The position of the cutting mechanism (400) can be adjusted along the rotation axis direction of the first rotating wheel (110).

10. The blow molded part cutting device according to claim 8, characterized in that: The slitting mechanism (400) further comprises a connecting frame (430), the slitting driver (420) being connected to the connecting frame (430) in an adjustable position along the moving axis direction of the slitting knife (410), and the slitting knife (410) being connected to the slitting driver (420).

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