CN216359259U - Full-automatic energy-saving environment-friendly aluminum profile extrusion production line - Google Patents
Full-automatic energy-saving environment-friendly aluminum profile extrusion production line Download PDFInfo
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- CN216359259U CN216359259U CN202123212161.1U CN202123212161U CN216359259U CN 216359259 U CN216359259 U CN 216359259U CN 202123212161 U CN202123212161 U CN 202123212161U CN 216359259 U CN216359259 U CN 216359259U
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Abstract
The utility model discloses a full-automatic energy-saving environment-friendly aluminum profile extrusion production line, which comprises a mounting table, wherein a sufficient cooling mechanism is arranged at the top end of the mounting table, water in a water tank is conveyed into a water outlet pipe by a second pump, the water is sprayed by a spray head so as to primarily cool an aluminum profile, negative pressure is generated by rotation of a fan so as to take heat out of the cooling tank, meanwhile, water vapor is taken out of the cooling tank and conveyed into a condenser tank, cooling liquid is conveyed into a cooling pipe by operation of a first pump, circulation of the cooling liquid is realized, so that the water vapor entering the condenser tank is rapidly cooled and liquefied, the water vapor falls into the cooling tank again through a flow guide hole on a cooling plate and is cooled again, and when the cooling liquid circulates in the cooling pipe, the heat in the cooling tank is further taken away, so that the aluminum profile is sufficiently cooled, and the cooling efficiency of the aluminum profile is improved, the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of aluminum profile production, in particular to a full-automatic energy-saving environment-friendly aluminum profile extrusion production line.
Background
The density of the aluminum profile is only 2.7g/cm31/3, which is about the density of steel, copper or brass, aluminum exhibits excellent corrosion resistance under most environmental conditions, including in air, water, petrochemical and many chemical systems, and after extrusion from an aluminum bar through a die, the aluminum bar is subjected to various treatments by various equipment before being finally fed into a finishing area, and a cooling mechanism is an important component of an aluminum bar production line;
but the cooling body of present aluminium alloy extrusion production line often only adopts the water-cooling to cool off the aluminium alloy, leads to the cooling efficiency of aluminium alloy slower, and the cooling water after the use only relies on natural cooling simultaneously to further make cooling efficiency low, be unfavorable for the production of aluminium alloy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a full-automatic energy-saving environment-friendly aluminum profile extrusion production line, which can effectively solve the problems that the cooling efficiency of an aluminum profile is low because a cooling mechanism of the existing aluminum profile extrusion production line usually only adopts water cooling to cool the aluminum profile, and the used cooling water only depends on natural cooling, so that the cooling efficiency is further low and the production of the aluminum profile is not facilitated.
In order to achieve the purpose, the utility model provides the following technical scheme: the full-automatic energy-saving environment-friendly aluminum profile extrusion production line comprises an installation table, wherein an extruder is fixedly installed at the edge part of the top end of the installation table, a die is fixedly installed at the top end of the installation table through a uniform heating mechanism, and a sufficient cooling mechanism is arranged at the top end of the installation table;
the full cooling mechanism comprises a cooling box, a condensing box, a fan, a cooling plate, a flow guide hole, a cooling pipe, a first pump, a guide pipe, a cooling liquid box, a water tank, a second pump, a water outlet pipe, a spray head and a collecting box;
the cooling box is fixedly installed at the top end of the installation platform, the condensing box is fixedly installed in the middle of the top end of the cooling box, the fan is fixedly installed in the condensing box through a support, the cooling plate is fixedly installed in the condensing box, flow guide holes are uniformly formed in the top end of the cooling plate, the cooling pipe is fixedly installed at the top end of the cooling plate, a first pump is fixedly installed at one end of the cooling pipe, and the cooling liquid box is fixedly installed at the position, located on one side of the cooling box, of the top end of the installation platform;
the utility model discloses a cooling box, including mounting table, first pump machine, second pump machine, water tank, water outlet pipe, the mounting table top is located cooling box opposite side position department fixed mounting has the water tank, the inboard top fixed mounting of water tank has the second pump machine, the department fixed mounting of water inlet is located with the second pump machine bottom to first pump machine, second pump machine top exit fixed mounting has the outlet pipe, outlet pipe one end fixed mounting has the shower nozzle, the mounting table bottom corresponds cooling box bottom position department fixed mounting has the collecting box.
Preferably, the input of fan, first pump machine and second pump machine all with external power source's output electric connection, the cooling tube other end is located the coolant liquid case, the shower nozzle is located the cooler bin, the inside rotation of cooler bin installs the driving roller, and the cooler bin bottom has seted up the round hole, the water filling port has been seted up at water tank top middle part.
Preferably, a traction demoulding mechanism is arranged at one end of the cooling box at the top end of the mounting table;
the traction demoulding mechanism comprises a placing rack, a sliding chute, a servo motor, a screw rod, a connecting plate, a mounting plate, a bidirectional screw rod, a clamping plate and a clamping motor;
the utility model discloses a cooling box, including mount table, mount table top, motor cabinet, servo motor, lead screw, connecting plate top symmetry fixed mounting, the mount table top is located cooler bin one end position department fixed mounting has the rack, the spout has been seted up to rack outside symmetry, there is servo motor mount on the mount table top through motor cabinet fixed mounting, servo motor's output shaft top fixed mounting has the lead screw, there is the connecting plate the lead screw outside through lead screw seat slidable mounting, connecting plate top symmetry fixed mounting has the mounting panel, inside bearing rotation through the mounting panel installs two-way lead screw, two-way lead screw outside symmetry slidable mounting has splint, connecting plate top limit portion has the centre gripping motor through motor cabinet fixed mounting.
Preferably, the input of servo motor and centre gripping motor all with external power source's output electric connection, the connecting plate is installed in the spout in a sliding manner, centre gripping motor's output shaft one end and two-way lead screw one end fixed connection, splint bottom and connecting plate top are closely laminated.
Preferably, the mounting table is provided with a uniform heating mechanism at the other end of the cooling box;
the uniform heating mechanism comprises a heating box, a placing groove, a heating pipe, a heating wire, a heat insulation sleeve and an induction coil;
the utility model discloses a heating device, including mount table, cooling box, heating box inside, the mount table is located cooling box other end fixed mounting has the heating cabinet, the inside fixed mounting that runs through of heating box has the standing groove, the inside symmetry fixed mounting of heating box has the heating pipe, the inside fixed mounting of heating pipe has the heater strip, the inside corresponding standing groove one end position department fixed mounting of heating box has the heat insulating sleeve, induction coil has been cup jointed in the heat insulating sleeve outside.
Preferably, the input ends of the heating wires and the induction coil are electrically connected with the output end of an external power supply, and the outlet end of the heat insulation sleeve is connected with the inlet end of the mold.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:
1. the cooling device is provided with a sufficient cooling mechanism, water in the water tank is conveyed to the water outlet pipe by utilizing the second pump machine, the water is sprayed through the spray head, so that the aluminum profile is preliminarily cooled, negative pressure generated by rotation of the fan brings heat in the cooling tank out, meanwhile, water vapor is brought out of the cooling tank and conveyed into the condensing tank, the cooling liquid is conveyed into the cooling pipe through the operation of the first pump machine, the circulation of the cooling liquid is realized, the water vapor entering the condensing tank is rapidly cooled and liquefied, the cooling liquid falls into the cooling tank again through the flow guide holes in the cooling plate, the aluminum profile is cooled again, and when the cooling liquid circulates in the cooling pipe, the heat in the cooling tank is further taken away, so that the aluminum profile is sufficiently cooled, the cooling efficiency of the aluminum profile is improved, and the production efficiency is improved;
2. the aluminum profile quick demoulding device is provided with a traction demoulding mechanism, a clamping motor is rotated to drive a bidirectional screw rod to rotate, clamping plates are driven to move oppositely through the rotation of the bidirectional screw rod, so that the aluminum profile is clamped by the clamping plates, the screw rod is driven to rotate through the rotation of a servo motor, so that a connecting plate slides in a chute, the clamping plates are driven to move through the movement of the connecting plate, the aluminum profile is driven to move, the aluminum profile is quickly demoulded, the aluminum profile is conveniently conveyed to a conveying belt at one end of an installation table, the next aluminum profile is conveniently processed, and the processing efficiency of the aluminum profile is improved;
3. the utility model discloses a heating device, including heating box, induction coil, heating wire heating pipe, heating wire, induction coil, the inside temperature of heating wire heating pipe through the heating wire risees fast, thereby make the temperature rise in the heating box, to carrying out the even heating to the heating box inside, through the circular telegram to induction coil, make the inside aluminium bar rapid heating up of heat-insulating sleeve, thereby make the aluminium bar heating even, the heating time end, the heating efficiency of aluminium bar has been improved, through at heating box one side fixed mounting mould, make the aluminium bar directly extrude after heating, make extrusion and heating integrated together, the degree of automation is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the full cooling mechanism of the present invention;
FIG. 3 is a schematic diagram of the structure of the traction demoulding mechanism of the utility model;
FIG. 4 is a schematic view of the uniform heating mechanism of the present invention;
reference numbers in the figures: 1. an installation table; 2. an extruder; 3. a mold;
4. a sufficient cooling mechanism; 401. a cooling tank; 402. a condenser tank; 403. a fan; 404. a cooling plate; 405. a flow guide hole; 406. a cooling tube; 407. a first pump; 408. a conduit; 409. a coolant tank; 410. a water tank; 411. a second pump; 412. a water outlet pipe; 413. a spray head; 414. a collection box;
5. a drawing and demolding mechanism; 501. placing a rack; 502. a chute; 503. a servo motor; 504. a screw rod; 505. a connecting plate; 506. mounting a plate; 507. a bidirectional screw rod; 508. a splint; 509. a clamping motor;
6. a uniform heating mechanism; 601. a heating box; 602. a placement groove; 603. heating a tube; 604. heating wires; 605. a heat insulating sleeve; 606. an induction coil.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-4, the utility model provides a full-automatic energy-saving environment-friendly aluminum profile extrusion production line, which comprises an installation table 1, wherein an extruder 2 is fixedly installed at the edge part of the top end of the installation table 1, a die 3 is fixedly installed at the top end of the installation table 1 through a uniform heating mechanism 6, and a sufficient cooling mechanism 4 is arranged at the top end of the installation table 1 in order to fully cool an aluminum profile;
the sufficient cooling mechanism 4 comprises a cooling box 401, a condensation box 402, a fan 403, a cooling plate 404, a diversion hole 405, a cooling pipe 406, a first pump 407, a conduit 408, a cooling liquid box 409, a water tank 410, a second pump 411, a water outlet pipe 412, a spray head 413 and a collection box 414;
a cooling box 401 is fixedly installed at the top end of the installation platform 1, a driving roller is rotatably installed inside the cooling box 401, a round hole is formed in the bottom end of the cooling box 401, water flow is convenient to collect in a collection box 414, a condensation box 402 is fixedly installed in the middle of the top end of the cooling box 401, a fan 403 is fixedly installed inside the condensation box 402 through a support, a cooling plate 404 is fixedly installed inside the condensation box 402, guide holes 405 are uniformly formed in the top end of the cooling plate 404, a cooling pipe 406 is fixedly installed at the top end of the cooling plate 404, the other end of the cooling pipe 406 is located in a cooling liquid box 409, a first pump 407 is fixedly installed at one end of the cooling pipe 406, and the cooling liquid box 409 is fixedly installed at the position, located on one side of the cooling box 401, of the top end of the installation platform 1;
the top of mount table 1 is located cooler bin 401 opposite side position department fixed mounting has water tank 410, the water filling port has been seted up at water tank 410 top middle part, the inboard top fixed mounting of water tank 410 has second pump machine 411, fan 403, the input of first pump machine 407 and second pump machine 411 all with external power source's output electric connection, first pump machine 407 and second pump machine 411 bottom water inlet department fixed mounting have pipe 408, second pump machine 411 top exit fixed mounting has outlet pipe 412, outlet pipe 412 one end fixed mounting has shower nozzle 413, shower nozzle 413 is located cooler bin 401, the corresponding cooler bin 401 bottom position department fixed mounting in mount table 1 bottom has collecting box 414.
In order to separate the formed aluminum profile from the die 3 and facilitate the transportation of the aluminum profile to a conveyor belt, a traction demoulding mechanism 5 is arranged at one end of the cooling box 401 at the top end of the mounting table 1;
the traction demoulding mechanism 5 comprises a placing frame 501, a sliding groove 502, a servo motor 503, a screw rod 504, a connecting plate 505, a mounting plate 506, a bidirectional screw rod 507, a clamping plate 508 and a clamping motor 509;
a placing frame 501 is fixedly arranged at the position of the top end of the mounting table 1, which is positioned at one end of the cooling box 401, sliding grooves 502 are symmetrically arranged on the outer side of the placing frame 501, a servo motor 503 is fixedly arranged at the top end of the mounting table 1 through a motor base, a screw rod 504 is fixedly arranged at the top end of an output shaft of the servo motor 503, a connecting plate 505 is slidably arranged on the outer side of the screw rod 504 through a screw base, the connecting plate 505 is slidably arranged in the sliding groove 502, a mounting plate 506 is symmetrically and fixedly arranged at the top end of the connecting plate 505, a bidirectional screw rod 507 is rotatably arranged in the mounting plate 506 through a bearing, clamping plates 508 are symmetrically and slidably arranged on the outer side of the bidirectional screw rod 507, the inner side surfaces of the clamping plates 508 are arranged on a rubber pad, so as to conveniently protect the clamping surfaces of aluminum profiles and prevent deformation and damage, the bottom ends of the clamping plates 508 are tightly attached to the top ends of the connecting plates 505, so that the clamping plates 508 stably move, and a clamping motor 509 is fixedly arranged at the edge part of the top ends of the connecting plates 505 through the motor bases, one end of an output shaft of the clamping motor 509 is fixedly connected with one end of the bidirectional screw 507, and the input ends of the servo motor 503 and the clamping motor 509 are electrically connected with the output end of an external power supply.
In order to directly heat the aluminum bar, the aluminum bar is prevented from being heated and then transferred to the extruder 2, and heat loss is reduced, and the uniform heating mechanism 6 is arranged at the other end, located on the cooling box 401, of the mounting platform 1;
the uniform heating mechanism 6 comprises a heating box 601, a placing groove 602, a heating pipe 603, a heating wire 604, a heat insulation sleeve 605 and an induction coil 606;
the mounting table 1 is located cooling box 401 other end fixed mounting and has heating cabinet 601, the inside fixed mounting that runs through of heating cabinet 601 has a standing groove 602, the inside symmetry fixed mounting of heating cabinet 601 has heating pipe 603, the inside fixed mounting of heating pipe 603 has heater strip 604, the inside fixed mounting that corresponds standing groove 602 one end position department of heating cabinet 601 has insulation support 605, insulation support 605 exit end and mould 3 entry end are connected, induction coil 606 has been cup jointed outside insulation support 605, heater strip 604 and induction coil 606's input all with external power source's output electric connection.
The working principle and the using process of the utility model are as follows: in the practical application process, a control power supply is switched on, an aluminum bar is placed in the placing groove 602, the aluminum bar is pushed to enter the heating box 601, the uniform heating mechanism 6 is switched on, the temperature in the heating pipe 603 is quickly raised through heating of the heating wire 604, so that the interior of the heating box 601 is heated, the temperature in the heating box 601 is quickly raised, the aluminum bar in the heat insulation sleeve 606 is quickly raised through electrifying the induction coil 605, the heating of the aluminum bar is quick and uniform, and the heating efficiency of the aluminum bar is improved;
after the aluminum bar is heated, the extruder 2 is started, the heated aluminum bar is extruded into the die 3 through the extrusion of the extruder 2, the aluminum bar enters the cooling box 401 after being molded in the die 3, water in the water tank 410 is conveyed into the spray head 413 through the operation of the second pump 411, the water is atomized through the spray head 413, and the atomized water is contacted with the aluminum profile, so that the aluminum profile is cooled in a large area, primary cooling of the aluminum profile is realized, negative pressure is generated through the rotation of the fan 403, water vapor generated in the cooling process is conveyed into the condensation box 402, meanwhile, a large amount of heat in the cooling box 401 is also taken away, the cooling liquid is conveyed into the cooling pipe 406 through the operation of the first pump 407, the cooling liquid is circulated in the cooling pipe 406, when the water vapor is contacted with the cooling pipe 406, the cooling liquid is rapidly cooled and liquefied, and enters the cooling box 401 again through the flow guide hole 405 inside the cooling plate 404, the aluminum profile is cooled again, and meanwhile, when the cooling liquid circulates in the cooling pipe 406, a large amount of heat in the cooling box 401 is taken away again, so that the aluminum profile is fully cooled, the cooling efficiency of the aluminum profile is improved, and the processing and production of the aluminum profile are facilitated;
after the aluminium alloy cooling, thereby come out in the cooler bin 401, start centre gripping motor 509, the operation through centre gripping motor 509 drives two-way lead screw 507 and rotates, thereby make splint 508 remove in opposite directions, it is fixed to carry out the centre gripping to the aluminium alloy, start servo motor 503, the rotation through servo motor 503 drives connecting plate 505 and removes in spout 502 is inside, thereby the aluminium alloy removal that makes splint 508 centre gripping is pull, makes the aluminium alloy fast demoulding, be convenient for process next aluminium bar.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Full-automatic energy-concerving and environment-protective type aluminium alloy extrusion production line, including mount table (1), mount table (1) top limit portion fixed mounting has extruder (2), mount table (1) top has mould (3), its characterized in that through even heating mechanism (6) fixed mounting: a sufficient cooling mechanism (4) is arranged at the top end of the mounting table (1);
the full cooling mechanism (4) comprises a cooling box (401), a condensation box (402), a fan (403), a cooling plate (404), a diversion hole (405), a cooling pipe (406), a first pump (407), a guide pipe (408), a cooling liquid box (409), a water tank (410), a second pump (411), a water outlet pipe (412), a spray head (413) and a collection box (414);
the cooling box (401) is fixedly installed at the top end of the installing platform (1), the condensing box (402) is fixedly installed in the middle of the top end of the cooling box (401), the fan (403) is fixedly installed in the condensing box (402) through a support, the cooling plate (404) is fixedly installed in the condensing box (402), flow guide holes (405) are uniformly formed in the top end of the cooling plate (404), the cooling pipe (406) is fixedly installed at the top end of the cooling plate (404), the first pump (407) is fixedly installed at one end of the cooling pipe (406), and the cooling liquid box (409) is fixedly installed at the position, located on one side of the cooling box (401), of the top end of the installing platform (1);
the utility model discloses a cooler, including mount table (1), water tank (410), first pump machine (407), second pump machine (411), outlet (412) and shower nozzle (413), mount table (1) top is located cooler bin (401) opposite side position department fixed mounting, water tank (410) inboard top fixed mounting has second pump machine (411), first pump machine (407) and second pump machine (411) bottom inlet department fixed mounting has pipe (408), second pump machine (411) top outlet fixed mounting has outlet pipe (412), outlet pipe (412) one end fixed mounting has shower nozzle (413), mount table (1) bottom corresponds cooler bin (401) bottom position department fixed mounting has collecting box (414).
2. The full-automatic energy-saving environment-friendly aluminum profile extrusion production line as claimed in claim 1, wherein the input ends of the fan (403), the first pump (407) and the second pump (411) are electrically connected with the output end of an external power supply, the other end of the cooling pipe (406) is located in the cooling liquid tank (409), the spray head (413) is located in the cooling tank (401), the inside of the cooling tank (401) is rotatably provided with a transmission roller, the bottom end of the cooling tank (401) is provided with a round hole, and the middle of the top end of the water tank (410) is provided with a water injection port.
3. The full-automatic energy-saving environment-friendly aluminum profile extrusion production line as claimed in claim 1, wherein a traction demoulding mechanism (5) is arranged at one end of the mounting table (1) at the cooling box (401);
the traction demolding mechanism (5) comprises a placing frame (501), a sliding groove (502), a servo motor (503), a screw rod (504), a connecting plate (505), a mounting plate (506), a bidirectional screw rod (507), a clamping plate (508) and a clamping motor (509);
mounting table (1) top is located cooler bin (401) one end position fixed mounting has rack (501), spout (502) have been seted up to rack (501) outside symmetry, there is servo motor (503) mounting table (1) top through motor cabinet fixed mounting, the output shaft top fixed mounting of servo motor (503) has lead screw (504), there is connecting plate (505) through lead screw cabinet slidable mounting in the lead screw (504) outside, connecting plate (505) top symmetry fixed mounting has mounting panel (506), two-way lead screw (507) is installed through the bearing rotation to mounting panel (506) inside, two-way lead screw (507) outside symmetry slidable mounting has splint (508), there is centre gripping motor (509) connecting plate (505) top limit portion through motor cabinet fixed mounting.
4. The full-automatic energy-saving environment-friendly aluminum profile extrusion production line as claimed in claim 3, wherein the input ends of the servo motor (503) and the clamping motor (509) are electrically connected with the output end of an external power supply, the connecting plate (505) is slidably mounted inside the sliding groove (502), one end of the output shaft of the clamping motor (509) is fixedly connected with one end of a bidirectional screw rod (507), and the bottom end of the clamping plate (508) is tightly attached to the top end of the connecting plate (505).
5. The full-automatic energy-saving environment-friendly aluminum profile extrusion production line as claimed in claim 1, wherein a uniform heating mechanism (6) is arranged at the other end of the cooling box (401) of the mounting table (1);
the uniform heating mechanism (6) comprises a heating box (601), a placing groove (602), a heating pipe (603), a heating wire (604), a heat insulation sleeve (605) and an induction coil (606);
the utility model discloses a cooling box, including mount table (1), heating box (601) inside through fixed mounting have a standing groove (602), the inside symmetry fixed mounting of heating box (601) has heating pipe (603), the inside fixed mounting of heating pipe (603) has heater strip (604), the inside standing groove (602) one end position department fixed mounting that corresponds of heating box (601) has heat insulating sleeve (605), induction coil (606) have been cup jointed in heat insulating sleeve (605) outside.
6. The full-automatic energy-saving environment-friendly aluminum profile extrusion production line as claimed in claim 5, wherein the input ends of the heating wire (604) and the induction coil (606) are electrically connected with the output end of an external power supply, and the outlet end of the heat insulation sleeve (605) is connected with the inlet end of the die (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123212161.1U CN216359259U (en) | 2021-12-20 | 2021-12-20 | Full-automatic energy-saving environment-friendly aluminum profile extrusion production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123212161.1U CN216359259U (en) | 2021-12-20 | 2021-12-20 | Full-automatic energy-saving environment-friendly aluminum profile extrusion production line |
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| CN216359259U true CN216359259U (en) | 2022-04-22 |
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| CN202123212161.1U Active CN216359259U (en) | 2021-12-20 | 2021-12-20 | Full-automatic energy-saving environment-friendly aluminum profile extrusion production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369220A (en) * | 2022-08-16 | 2022-11-22 | 龙泉市德匠工艺品有限公司 | Quenching machine capable of realizing automatic feeding and discharging for knife and sword processing |
| CN117380768A (en) * | 2023-12-11 | 2024-01-12 | 佛山市南海沃和五金模具机械有限公司 | Circulation cooling device for aluminum profile extruder |
-
2021
- 2021-12-20 CN CN202123212161.1U patent/CN216359259U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115369220A (en) * | 2022-08-16 | 2022-11-22 | 龙泉市德匠工艺品有限公司 | Quenching machine capable of realizing automatic feeding and discharging for knife and sword processing |
| CN117380768A (en) * | 2023-12-11 | 2024-01-12 | 佛山市南海沃和五金模具机械有限公司 | Circulation cooling device for aluminum profile extruder |
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