Disclosure of Invention
In order to solve the problems, the invention aims to provide the necking equipment for the copper pipe, which has high automation degree, can greatly improve the necking quality of the copper pipe, reduces the production and processing procedures, is convenient to produce and is suitable for batch production.
In order to achieve the purpose, the invention adopts the following technical scheme:
a necking device for copper pipes comprises a machine table, and a feeding mechanism, a pushing mechanism and a necking mechanism which are arranged on the machine table; the copper pipes are sorted by the feeding mechanism and then are conveyed to the pushing mechanism one by one, the pushing mechanism is arranged on one side of the feeding mechanism, and the copper pipes conveyed to the pushing mechanism by the feeding mechanism are pushed to the necking mechanism; the necking mechanism comprises a copper pipe fixing device and a necking rotary table which are arranged on the machine table; the copper pipe fixing device is arranged close to the material pushing mechanism and used for fixing a copper pipe pushed by the material pushing mechanism, the necking turnplate is arranged on the machine table through a movable supporting seat and is in running fit with the supporting seat, the necking turnplate comprises a disc type base, a plurality of necking pipes arranged on the outer circumference of the base and a rotatable rotary cutter assembly, and the head of each necking pipe is provided with a necking die penetrating through the outer end of the head of each necking pipe.
And necking dies in the necking pipes on the base are different in size.
The periphery of the base is provided with a necking pipe connecting seat, the necking pipe comprises a hollow middle connecting portion and a necking head portion, and the necking pipe connecting seat, the middle connecting portion and the necking head portion are detachably connected.
The rotary cutter assembly comprises a base, a rotary cutter assembly connecting seat is arranged on the periphery of the base, the rotary cutter assembly comprises a rotary base, the rotary base is rotatably connected with the rotary cutter assembly connecting seat, and a blade is arranged on the rotary base.
The rotary base is driven to rotate by a rotary cutter assembly driving mechanism, the rotary cutter assembly driving mechanism comprises a driving wheel arranged at the center of the base and a rotary cutter assembly motor driving the driving wheel to rotate, and the driving wheel is connected with the rotary base through a belt.
The feeding mechanism comprises a disc hopper, a linear track, a linear feeder and a clamping mechanism; the disc hopper automatically sequences the copper pipes and spirally upwards along the spiral track until the discharge port of the disc hopper enters the linear track, the linear track is driven by the linear feeder to vibrate, and the clamping mechanism clamps the copper pipes into the pushing mechanism from the side of the linear track.
The clamping mechanism comprises a clamping shell with an opening, the opening side of the clamping shell is just opposite to the tail end of the linear track, the clamping shell is driven to rotate by a clamping driving mechanism, a '+' -shaped clamping piece is arranged in the clamping shell, an elastic piece is arranged between the clamping piece and the side wall of one side of the clamping shell, one side of the clamping mechanism is provided with a clamping hydraulic device, a clamping hydraulic rod of the clamping hydraulic device is arranged on the side wall of the other side of the clamping shell, and the clamping hydraulic rod can penetrate through the clamping shell to abut against a copper pipe in the clamping shell.
The feeding mechanism comprises a blanking platform, two frames and groove-shaped hoppers arranged on the two frames; the blanking platform is arranged on the machine table obliquely downwards towards the side of the pushing mechanism, the two machine frames are respectively arranged on two sides of the blanking platform, and the groove-shaped hopper is driven to vibrate by a vibrator; one side that the slot-like hopper is close to throat mechanism is provided with the discharge gate, and the below of discharge gate corresponds the discharge gate and is provided with rotatable runner, and the periphery of runner evenly is provided with a plurality of holding tanks that hold the copper pipe, and one side of runner is provided with the arc spare of laminating runner, and one side that throat mechanism was kept away from to the arc spare is connected with a baffle, and the baffle forms a unloading passageway that lets the copper pipe roll fall in the pushing equipment with the frame that is close to throat mechanism one side jointly.
The pushing mechanism comprises a pushing groove and a pushing driving device which are arranged on the same straight line; the material pushing driving device is a material pushing hydraulic device, a material pushing hydraulic rod of the material pushing hydraulic device is arranged in the material pushing groove, a material pushing head is arranged at the front end of the material pushing hydraulic rod, and the diameter of the material pushing head is slightly larger than that of the copper pipe.
The invention has the following beneficial effects:
the equipment has high automation degree, the necking quality of the copper pipe can be greatly improved, the production and processing procedures are reduced, the production is convenient, and the equipment is suitable for batch production.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention (including the feed mechanism of the first embodiment);
FIG. 2 is a schematic front view of the disc hopper of the present invention;
FIG. 3 is a schematic perspective view of a disc hopper (not including a chassis housing) of the present invention;
FIG. 4 is a schematic top view of the clamping mechanism of the present invention;
fig. 5 is a schematic front view of a feeding mechanism according to a second embodiment of the present invention;
FIG. 6 is a schematic top view of a feeding mechanism according to a second embodiment of the present invention;
FIG. 7 is a side view of the wheel and arc of the present invention;
FIG. 8 is a schematic side view of the copper tube fixing device of the present invention;
FIG. 9 is a schematic structural view of the necking mechanism of the present invention;
FIG. 10 is a schematic side view of the inventive throat plate;
fig. 11 is an exploded view of the necking down rotary table of the present invention.
Description of reference numerals:
100-copper pipe, 10-machine table, 101-slide rail, 1-feeding mechanism, 11-disc hopper, 111-spiral rail, 112-chassis shell, 113-pulse electromagnet, 114-spring piece, 115-supporting piece, 116-hopper discharge channel, 12-linear rail, 13-linear feeder, 14-clamping mechanism, 141-clamping shell, 142-clamping motor, 143-clamping piece, 144-elastic piece, 145-limiting rod, 146-clamping hydraulic device, 1461-clamping hydraulic rod, 21-blanking platform, 22-machine frame, 221-supporting rod, 222-arc piece, 223-baffle, 23-groove-shaped hopper, 231-guide pipe groove, 24-rotary wheel, 241-accommodating groove, 242-rotary wheel motor, 3-material pushing mechanism, 31-material pushing groove, 32-material pushing hydraulic device, 321-material pushing hydraulic rod, 322-material pushing head, 4-necking mechanism, 5-copper pipe fixing device, 51-fixing hydraulic push rod, 6-necking turnplate, 61-base, 611-necking pipe connecting base, 612-rotary knife component connecting base, 613-driving wheel, 615-belt, 62-necking pipe, 621-middle connecting part, 622-necking head, 623-necking die, 63-rotary knife component, 631-rotary base, 632-blade, 7-supporting base, 71-supporting base hydraulic device and 72-turntable motor.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
referring to fig. 1, a copper pipe necking device includes a machine table 10, and a feeding mechanism 1, a pushing mechanism 3 and a necking mechanism 4 which are arranged on the machine table 10;
the feeding mechanism 1 sorts the disordered copper pipes 100 put into the feeding mechanism 1 and then conveys the disordered copper pipes to the pushing mechanism 3 one by one, and the first implementation mode of the feeding mechanism 1 is as follows:
the feeding mechanism 1 comprises a disc hopper 11, a linear track 12, a linear feeder 13 and a clamping mechanism 14;
referring to fig. 1 to 3, a spiral track 111 is arranged in the disc hopper 11 and spirally upwards; a chassis shell 112 is arranged below the disc hopper 11, a pulse electromagnet 113 and a spring piece 114 which is obliquely arranged are arranged in the chassis shell 112, one end of the spring piece 114 is fixedly connected with the disc hopper 11, the other end of the spring piece 114 is fixedly connected with the bottom of the chassis shell 112, the pulse electromagnet 113 can enable the disc hopper 11 to vibrate in the vertical direction, the spring piece 114 drives the disc hopper 11 to do torsional vibration around the vertical axis of the disc hopper 11, and therefore disordered copper pipes 100 which are put into the disc hopper 11 are automatically sequenced, and the spiral track 111 spirals upwards until the discharge hole of the disc hopper 11.
A plurality of supporting pieces 115 are arranged on one side of the periphery of the disc hopper 11 in a surrounding manner, square through holes are formed in the supporting pieces 115, and hopper discharge channels 116 are arranged in the through holes; one end of the hopper discharge channel 116 is connected with the discharge hole of the disc hopper 11, and the other end is connected with the linear track 12 in an inclined and downward manner; the linear track 12 is driven to oscillate by the linear feeder 13 to sequentially feed the copper tubes 100 fed into the linear track 12 by the hopper discharge passage 116 to the gripping mechanism 14.
Referring to fig. 4, the clamping mechanism 14 includes a clamping housing 141 having an opening, the opening of the clamping housing 141 faces the end of the linear rail 12, the clamping housing 141 is driven to rotate by a clamping driving mechanism, and specifically, the clamping housing 141 is driven to rotate from the linear rail 12 side to the pushing mechanism 3 side by a clamping motor 142; a '+' -shaped clamping piece 143 is arranged in the clamping shell 141, and one side of the clamping piece 143 is slidably connected to the rear wall (the side wall opposite to the opening of the clamping shell 141) of the clamping shell 141; an elastic part 144 is arranged between the other side of the clamping part 143 and the side wall of one side of the clamping shell 141, a limiting rod 145 is arranged in the elastic part 144, one end of the limiting rod 145 is fixed on the clamping shell 141, and the other end of the limiting rod 145 is arranged at an interval with the clamping part 143, so that the limiting rod 145 and the clamping part 143 have a certain distance. In this embodiment, the elastic member 144 is a spring. A clamping hydraulic device 146 is arranged on one side of the clamping mechanism 14, a clamping hydraulic rod 1461 of the clamping hydraulic device 146 is arranged on the side wall of the other side of the clamping shell 141, the clamping hydraulic rod 1461 can penetrate through the clamping shell 141 and abut against the copper tube 100 in the clamping shell 141, and the clamping hydraulic rod 1461 and the clamping piece 143 are matched with each other to clamp the copper tube 100.
The working flow of the feeding mechanism 1 of the above embodiment is as follows:
copper pipes 100 are put into a disc hopper 11, the disc hopper 11 vibrates, the copper pipes 100 are sequenced along a spiral track 111 and are conveyed upwards one by one to a discharge port to enter a hopper discharge channel 116, the copper pipes 100 enter a linear track 12 along the hopper discharge channel 116, the copper pipes 100 are conveyed to the tail end of the linear track 12, namely a clamping shell 141 of a clamping mechanism 14 under the vibration of a linear feeder 13, a clamping hydraulic device 146 is started, a clamping hydraulic rod 1461 is pushed to move towards the clamping shell 141, the copper pipes 100 are clamped through the matching of the clamping piece 143, and a clamping motor 142 is started to rotate the clamping shell 141 clamping the copper pipes 100 to the side of a material pushing mechanism 3 from the side of the linear track 12.
The second embodiment of the feeding mechanism 1 is:
referring to fig. 5 to 7, the feeding mechanism 1 includes a blanking platform 21, two frames 22, and a trough-shaped hopper 23 mounted on the two frames 22;
the blanking platform 21 is obliquely arranged on the machine table 10, and specifically, the blanking platform 21 is obliquely and downwards arranged towards the pushing mechanism 3 side; the two frames 22 are respectively arranged at two sides of the blanking platform 21.
The trough-shaped hopper 23 is used for containing copper pipes 100, and the trough-shaped hopper 23 is driven to vibrate by a vibrating machine; the groove-shaped hopper 23 is internally provided with a conduit groove 231 with a large upper part and a small lower part and in an inverted frustum shape or an inverted trumpet shape, one side of the bottom of the conduit groove 231 close to the necking mechanism 4 is obliquely and downwards arranged, one side of the conduit groove 231 close to the necking mechanism 4 is provided with a discharge port, a rotating wheel 24 is arranged below the discharge port and corresponds to the discharge port, a plurality of accommodating grooves 241 for accommodating copper pipes 100 are uniformly arranged on the periphery of the rotating wheel 24, and the rotating wheel 24 is driven to rotate by a rotating wheel motor 242.
A supporting rod 221 is arranged between the two frames 22, two arc-shaped pieces 222 are arranged on one side of the supporting rod 221 close to the rotating wheel 24, the upper parts of the arc-shaped pieces 222 are fixed on the supporting rod 221, the tail end of the lower part of the arc-shaped pieces extends to the upper part of the bottom of the rotating wheel 24, the arc-shaped pieces 222 are attached to the rotating wheel 24, the rotating wheel 24 rotates, the copper pipe 100 entering the rotating wheel 24 is blocked by the arc-shaped pieces 222, and the copper pipe 100 can not fall off from the accommodating groove 241 until the copper pipe 100 rotates to the lowest position of the rotating wheel 24 and falls.
A baffle 223 is connected to the support rod 221 on one side of the arc-shaped member 222 away from the necking mechanism 4, and the baffle 223 and the frame 22 near one side of the necking mechanism 4 together form a discharging channel for the copper tube 100 to roll down into the pushing mechanism 3.
The working flow of the feeding mechanism 1 of the above embodiment is as follows:
the vibrator is started, and the groove-shaped hopper 23 vibrates; meanwhile, the rotating wheel motor 242 drives the rotating wheel 24 to rotate step by step, the copper pipes 100 enter the accommodating groove 241 of the rotating wheel 24 one by one through the discharge hole, the copper pipes 100 are limited by the arc-shaped piece 222, until the copper pipes 100 are driven by the rotating wheel 24 to rotate to the lowest point, the copper pipes 100 fall onto the blanking platform 21, and the blanking platform 21 is arranged obliquely downwards towards the side of the pushing mechanism 3 and rolls into the pushing mechanism 3 along a blanking channel between the rack 22 and the baffle 223.
Referring to fig. 1 and 6, the material pushing mechanism 3 is arranged at one side of the feeding mechanism 1, and is used for pushing the copper tubes 100, which are sequenced by the feeding mechanism 1 and then enter the material pushing mechanism 3 one by one, to the necking mechanism 4;
the material pushing mechanism 3 comprises a material pushing groove 31 and a material pushing driving device which are arranged on the same straight line;
the material pushing groove 31 is long and is provided with a U-shaped groove for accommodating the copper tube 100; in this embodiment, the material pushing driving device is a material pushing hydraulic device 32, a material pushing hydraulic rod 321 of the material pushing hydraulic device 32 is disposed in the material pushing groove 31, and the material pushing hydraulic device 32 drives the material pushing hydraulic rod 321 to extend and retract, so as to push the copper pipe 100 in the material pushing groove 31 into the necking mechanism 4.
Specifically, the front end of the pushing hydraulic rod 321 is provided with a pushing head 322, and the diameter of the pushing head 322 is slightly larger than that of the copper tube 100.
Referring to fig. 1, the necking mechanism 4 includes a copper tube fixing device 5 and a necking rotary table 6 arranged on a machine table 10;
referring to fig. 8, the copper tube fixing device 5 is disposed near the pushing mechanism 3, and is configured to fix and fix the copper tube 100 pushed by the pushing mechanism 3, so that the necking turntable 6 performs necking; specifically, the copper tube fixing device 5 is provided with a through hole, the pushing mechanism 3 pushes most of the copper tube 100 to the outside of the copper tube fixing device 5 through the through hole, and the rest part of the copper tube 100 is fixed by the fixed hydraulic push rod 51 arranged inside the copper tube fixing device 5 and the pushing hydraulic rod 321 of the pushing device.
Referring to fig. 1 and fig. 9 to 11, a slide rail 101 is arranged on the machine table 10, the necking turnplate 6 is arranged on the machine table 10 through a support seat 7, and a pulley matched with the slide rail 101 is arranged at the bottom of the support seat 7, so that the support seat 7 is in sliding fit with the machine table 10; one side of the supporting seat 7 is provided with a supporting seat hydraulic device 71, a supporting hydraulic rod of the supporting seat hydraulic device 71 is connected with the supporting seat 7, and the supporting seat 7 is driven to be close to or far away from the copper pipe fixing device 5.
The necking rotary table 6 is driven to rotate in a stepping mode through a rotary table motor 72 arranged in the supporting seat 7.
The necking rotary table 6 comprises a disc type base 61, a plurality of necking pipes 62 arranged on the outer circumference of the base 61 and a rotary knife assembly 63; the base 61 is rotatably connected to the supporting base 7, the turntable motor 72 drives the base 61 to rotate, and a reducing pipe connecting base 611 and a rotary cutter assembly connecting base 612 are arranged on the periphery of the base 61;
the necking pipe 62 comprises a hollow middle connecting part 621 and a necking head 622, wherein one end of the middle connecting part 621 close to the base 61 is provided with an internal thread, and the other end of the middle connecting part 621 is provided with an external thread; one end of the middle connecting part 621 is in threaded connection with the necking pipe connecting seat 611, the other end is in threaded connection with one end of the necking head 622, the inside of the other end of the necking head 622 is provided with a trumpet-shaped necking die 623 penetrating through the outer end of the necking head 622, and therefore the installation of the necking pipe 62 and the replacement of the necking head 622 are facilitated, so that the requirements of necking of copper pipes 100 of different types are met. Preferably, the necking heads 622 of the necking dies 623 with different sizes can be customized according to actual production requirements, so as to manufacture copper pipes 100 with different shapes and sizes of necking.
Rotating knife subassembly 63 includes rotating base 631, and rotating base 631 rotates with rotating knife subassembly connecting seat 612 to be connected, is provided with blade 632 on rotating base 631. The rotary base 631 is driven to rotate by a rotary knife assembly driving mechanism, specifically, the rotary knife assembly driving mechanism includes a driving wheel 613 disposed at the center of the base 61 and a rotary knife assembly motor driving the driving wheel to rotate, and the driving wheel 613 is connected to the rotary base 631 through a belt 615.
The working process of the necking mechanism 4 is as follows:
the copper pipe 100 is pushed to the copper pipe fixing device 5 by the pushing mechanism 3, most of the copper pipe 100 is pushed to the outer side of the copper pipe fixing device 5 through the through hole, the rest part is fixed by the pushing hydraulic rod 321 and the fixing hydraulic push rod 51 together, the supporting seat hydraulic device 71 is started, the supporting hydraulic rod pushes the necking turnplate 6 to be close to the copper pipe fixing device 5 until the copper pipe 100 is sleeved into the first necking pipe 62 for preliminary necking, and the supporting hydraulic device is started to drive the necking turnplate 6 to reset; the turntable motor 72 is started to drive the turntable to rotate in a stepping mode, the second necking pipe 62 is aligned to the copper pipe 100, the pipe diameter of the necking die 623 of the second necking pipe 62 is smaller than that of the necking die 623 of the first necking pipe 62, and the support hydraulic device pushes the necking turntable 6 to be close to the copper pipe fixing device 5 again until the copper pipe 100 is sleeved into the second necking pipe 62 to be subjected to secondary necking; repeating the steps until the copper pipe 100 is reduced to the required type; the turntable motor 72 is started to drive the turntable to rotate in a stepping mode, so that the copper pipe 100 is aligned in a rotating mode, the support hydraulic device pushes the necking turnplate 6 to be close to the copper pipe fixing device 5, and the rotary cutter assembly motor is started to drive the rotary cutter assembly 63 to cut the redundant part of the copper pipe 100 in a rotating mode.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.