A kind of fin cutting mechanism
Technical field
The utility model relates to the cutting mechanism technical field of metal coiled material, specifically, relates to a kind of fin cutting mechanism.
Background technology
Along with the lifting to heat radiator fin demand, how to enhance productivity, increase fin production capacity becomes the difficult point in industry.One of current settling mode is the mode taking fin to cut, namely a fin cuts into two, production capacity directly can be made on the original basis double, but fin belongs to the core component of radiator, requirement for fin is quite high, the speed how making fin cut is mated with capacity of equipment, and point fin that the fin cut out does not have burr and guarantee to cut has identical width to be the difficult point that fin is cut.
Utility model content
In order to overcome above-mentioned technical problem, the utility model provides a kind of speed that can ensure that fin is cut and mates with capacity of equipment, makes point fin that the fin cut out does not have burr and guarantee to cut have the fin cutting mechanism of same widths.
To achieve these goals, the technical solution of the utility model proposes a kind of fin cutting mechanism, it is characterized in that, described fin cutting mechanism comprises the upper cutter and lower cutter that mutually roll and coordinate, upper cutter and lower cutter are respectively in roller structure, the upper cutter of roller structure and lower cutter are set in upper driven roller and lower driving rolls on, upper driven roller and lower driving roll on and are arranged on bracing frame respectively by bearing, bearing holder (housing, cover), the bottom of bracing frame is provided with base, and the top of bracing frame is provided with the adjustment structure for regulating gap between upper cutter and lower cutter; The side of rolling in upper driven roller and lower driving is provided with synchronous driven wheel, is connected the side that lower driving is rolled, is connected by the opposite side of lower driven roller with driving handle by shaft coupling with drive motors; Be respectively equipped with the gib block corresponding with the cooperation position that mutually rolls in the front of upper cutter and lower cutter and rear, gib block is connected on bracing frame.
Wherein preferred technical scheme is, the upper cutter and lower cutter of described roller structure are embedded with the rubber ring of Circular Hard Alloy cutter ring and annular respectively, wherein on upper cutter, the position of rubber ring is corresponding with the position of carbide cutter tool ring on lower cutter, on upper cutter, the position of carbide cutter tool ring is corresponding with the position of rubber ring on lower cutter, and on upper cutter on the left side of carbide cutter tool ring and lower cutter the right side of carbide cutter tool ring be positioned at same plane.
Further preferred technical scheme is, the upper cutter of described roller structure and lower cutter to roll with upper driven roller and lower driving respectively by connecting key and is connected.
Preferred technical scheme also has further, and the upper cutter of described roller structure and its roller of lower cutter are ladder shaft-like, and described rubber ring is bolted the side at multidiameter step.
Further preferred technical scheme also has, at the upper cutter of described roller structure be respectively installed with between the both sides of lower cutter and bearing and push up pressure ring and push up last item cover.
Preferred technical scheme also has, and be respectively equipped with bracing frame in the both sides of described upper cutter and lower cutter, lower driving is rolled and is connected with bracing frame by bearing, bearing holder (housing, cover); Upper driving is rolled and is connected with regulating the adjustment structure in gap between upper cutter with lower cutter, adjustment structure comprises rolls with upper driving the slide block be connected by bearing, bearing holder (housing, cover), the upper end of slide block is embedded with the head of bolt, and bolt is connected with nut screw connection through the entablature of bracing frame.
Preferred technical scheme also has further, and the both sides of described slide block are provided with elongated hole, and vast sky is built with the bolt be connected with bracing frame.
Preferred technical scheme also has, and described drive motors is servomotor.
Preferred technical scheme also has, and the locking nut being provided with in the outside of bearing holder (housing, cover) and rolling with upper driven roller and lower driving respectively by being threaded is rolled in described upper driven roller and lower driving.
Preferred technical scheme also has, and described synchronous driven wheel is arranged on the outside of bracing frame.
Advantage of the present utility model and beneficial effect are, this fin cutting mechanism has:
One, cut-out is stable: owing to have employed Serve Motor Control, and before and after synchronizing wheel transmission ensure that and cuts off, speed is consistent.
Two, cut-out is rotated: large carving knife diameter rotates cut-out makes often some uniform force, increases service life.
Three, special cutting knife: the material of carbide alloy, good processing technology, accurate heat treatment can cast one and hold cutter.
Four, multi items is suitable for: because forethought is remodeled fast, therefore when fin dimension modifying, only needs corresponding replacing fin channels.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model fin cutting mechanism;
Fig. 2 is the schematic side view of Fig. 1.
In figure: 1 upper cutter; 2, lower cutter; 3, upper driven roller; 4, lower driven roller; 5, bearing; 6, bearing holder (housing, cover); 7, bracing frame; 8, base; 9, adjustment structure; 10, synchronous driven wheel; 11, driving handle; 12, gib block; 13, carbide cutter tool ring; 14, rubber ring; 15, pressure ring is pushed up; 16, last item cover is pushed up; 17, slide block; 18, bolt; 19, nut; 20, locking nut.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Fig. 1 ~ 2, the utility model is a kind of fin cutting mechanism, described fin cutting mechanism comprises the upper cutter 1 and lower cutter 2 that mutually roll and coordinate, upper cutter 1 and lower cutter 2 are respectively in roller structure, the upper cutter 1 of roller structure and lower cutter 2 are set in upper driven roller 3 to be rolled on 4 with lower driving, upper driven roller 3 rolls on 4 with lower driving and is arranged on bracing frame 7 respectively by bearing 5, bearing holder (housing, cover) 6, the bottom of bracing frame 7 is provided with base 8, and the top of bracing frame 7 is provided with the adjustment structure 9 for regulating gap between upper cutter 1 and lower cutter 2; The side of rolling 4 in upper driven roller 3 and lower driving is provided with synchronous driven wheel 10, is connected the side of lower driving 4 by shaft coupling with drive motors, is connected by the opposite side of lower driven roller 4 with driving handle 11; Be respectively equipped with the gib block 12 corresponding with the cooperation position that mutually rolls in the front of upper cutter 1 and lower cutter 2 and rear, gib block 12 is connected on bracing frame 7.
The preferred embodiment of the utility model is, the upper cutter 1 and lower cutter 2 of described roller structure are embedded with the rubber ring 14 of Circular Hard Alloy cutter ring 13 and annular respectively, wherein on upper cutter 1, the position of rubber ring 14 is corresponding with the position of carbide cutter tool ring 13 on lower cutter 2, on upper cutter 1, the position of carbide cutter tool ring 13 is corresponding with the position of rubber ring 14 on lower cutter 2, and on upper cutter 1 on the left side of carbide cutter tool ring 13 and lower cutter 2 right side of carbide cutter tool ring 13 be positioned at same plane.
The utility model further preferred embodiment is, the upper cutter 1 of described roller structure and lower cutter 2 rolls 4 respectively by connecting key with upper driven roller 3 and lower driving and is connected.
The utility model further preferred embodiment also has, and upper cutter 1 and its roller of lower cutter 2 of described roller structure are ladder shaft-like, and described rubber ring 14 is bolted in the side of multidiameter step.
The utility model further preferred embodiment also has, and push up pressure ring 15 at the upper cutter 1 of described roller structure and being respectively installed with between the both sides of lower cutter 2 and bearing 5 and pushes up last item and overlap 16.
The preferred technical scheme of the utility model also has, and be respectively equipped with bracing frame 7 at described upper cutter 1 with the both sides of lower cutter 2, lower driving is rolled 4 and is connected with bracing frame 7 by bearing 5, bearing holder (housing, cover) 6; Upper driving is rolled 3 and is connected with the adjustment structure 9 in gap between lower cutter with adjustment upper cutter, adjustment structure comprises rolls 3 slide blocks be connected 17 by bearing 5, bearing 6 with upper driving, the upper end of slide block 17 is embedded with the head of bolt 18, and bolt 18 is connected through the entablature of bracing frame 7 and nut 19.
The utility model further preferred embodiment also has, and the both sides of described slide block 17 are provided with elongated hole, and vast sky is built with the bolt be connected with bracing frame.
The preferred embodiment of the utility model also has, and described drive motors is servomotor (not looking in figure).
The preferred embodiment of the utility model also has, and described upper driven roller 3 and lower driving are rolled 4 and to be provided with in the outside of bearing holder (housing, cover) 6 and to roll 4 respectively by the locking nut 20 be threaded with upper driven roller 3 and lower driving.
Embodiment of the present utility model also has, and described synchronous driven wheel 10 is arranged on the outside of bracing frame 7.
The operation principle of this fin cutting mechanism is:
First fin should ensure the velocity-stabilization that fin material is supplied before cutting, and the speed of supply will equal the accumulation that cut-off velocity just can not cause material.After cut-off velocity wants matching unit simultaneously, fin shaping speed just can not cause and break.Cut off the mode adopting upper cutter 1 and lower cutter 2 to rotate, driven by synchronous driven wheel 10, in employings driving roll 3 and between adjustment upper cutter and lower cutter the adjustment structure 9 in gap strictly control approach.Strict wire velocity control ensures the accuracy that fin is cut.
Above-mentioned knife rest is assembled by each parts, rolls 3 and regulate the adjustment structure 9 in gap between upper cutter and lower cutter to adjust the approach that accurately can control fin by driving.
Under above-mentioned fin drive roll 4 by cased muff coupling connect synchronous with device drives portion, upper and lower high-precise synchronization driven wheel 10 can make lower cutter rotate simultaneously.
Upper cutter 1 and lower cutter 2 adopt the combination of carbide alloy and rubber, cut off impulse-free robustness, and the basis ensureing cut-out precision increases service life to a greater extent.
Driving handle 11 can be worn material level and puts by Non-follow control when wearing material at every turn.Shaft coupling completes the docking of front and back structure, ensures that cutting line speed is consistent with rear fin shaping speed.Gib block 12 is divided into inlet port each a set of, and alignment pin is fixed on bracing frame 7 all, ensures to import and export Central Symmetry, cuts off without swinging.Can directly take when fin width changes and replace, and the position of needs can be navigated to rapidly.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.