Aluminum profile extrusion die

Abstract

This invention relates to the field of extrusion die technology, and in particular to an aluminum profile extrusion die. Addressing the shortcomings of existing technologies, this invention provides an aluminum profile extrusion die, comprising a frame, a hydraulic press mounted on one side of the upper end of the frame, a lifting rod at the output end of the hydraulic press, a cavity in the middle of the frame, a die head at the cavity outlet, a V-shaped material groove at the cavity inlet, and a cleaning mechanism on the outer surface of the lifting rod. The cleaning mechanism includes a spray ring with multiple nozzles on its outer circumference. When an aluminum rod is placed in the V-shaped material groove, the lifting rod pushes it into the cavity during hydraulic press operation, extruding the aluminum rod. When the lifting rod resets, the cleaning mechanism activates, and the spray ring rotates, allowing the multiple nozzles to spray along the inner wall of the cavity. This allows for timely cleaning of the cavity wall after the aluminum rod is extruded, quickly removing residual impurities such as dust and oxide debris brought in by the aluminum rod.

Description

Technical Field

[0001] This invention relates to the field of extrusion die technology, and in particular to an aluminum profile extrusion die. Background Technology

[0002] In the production and manufacturing of aluminum profiles, hot extrusion is one of the core processing steps: a heated and softened aluminum rod is fed into the cavity of an extrusion die, and the aluminum material is forced through the die holes by extrusion pressure to form an aluminum profile with a corresponding cross-section. The cleanliness of the extrusion die cavity directly determines the surface quality and forming precision of the aluminum profile, and is a key factor in ensuring product quality.

[0003] In practical production applications of traditional aluminum profile extrusion dies, the surface of the aluminum rods to be processed is highly susceptible to the adhesion of environmental dust, oxide scale, and other impurities during the transfer, feeding, and delivery into the heating cavity. Once the aluminum rods are pushed into the heating cavity and enter the extrusion die cavity, the surface dust will detach due to heat and remain accumulated on the inner wall of the cavity. If this dust is not cleaned in a timely manner, it will embed into the aluminum profile substrate during subsequent extrusion operations, causing defects such as inclusions, pits, and scratches on the product surface, significantly reducing the finished product yield and appearance quality. Furthermore, the long-term retention of hard dust on the inner wall of the cavity will exacerbate wear on the working surface of the cavity during extrusion, damaging the dimensional accuracy and surface finish of the cavity, shortening the normal service life of the die, and increasing production and maintenance costs.

[0004] Currently, most cleaning of extrusion die cavities involves manual wiping and blowing after the machine is stopped. This not only requires interrupting the production process and reducing overall production efficiency, but also the effectiveness of manual cleaning depends on the operator's experience, making it difficult to guarantee the uniformity and thoroughness of the cleaning. This method cannot meet the needs of continuous and high-efficiency aluminum profile production. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an aluminum profile extrusion die that can promptly clean the inner wall of the cavity after the aluminum rod is pushed and extruded, quickly removing residual impurities such as dust and oxide debris brought in by the aluminum rod. This prevents dust from embedding into the aluminum profile product during the extrusion process, effectively reducing quality defects such as surface inclusions, scratches, and pits.

[0006] The technical solution adopted by the present invention to solve the above problems is as follows:

[0007] An aluminum profile extrusion die includes a frame, a hydraulic press on one side of the upper end of the frame, a lifting rod at the output end of the hydraulic press, a cavity in the middle of the frame, a die head at the discharge port of the cavity, a V-shaped material groove at the inlet of the cavity, and a cleaning mechanism on the outer surface of the lifting rod. The cleaning mechanism includes a spray ring with multiple nozzles on its outer periphery. When an aluminum rod is placed in the V-shaped material groove, the lifting rod can be pushed into the cavity and extruded when the hydraulic press is working. When the lifting rod is reset, the cleaning mechanism is activated, and the spray ring can rotate and move, causing the multiple nozzles to spray and clean along the inner wall of the cavity.

[0008] The upper end of the frame is provided with a top seat, and a circular sleeve is rotatably connected to the top seat. A spur gear is provided on the outer surface of the circular sleeve. A drive spur rack that meshes with the spur gear is provided on the top seat. Multiple multi-stage telescopic tubes are provided at the front end of the circular sleeve. The spray ring is fixed to the front end of the multiple multi-stage telescopic tubes. A top pressure plate is provided at the front end of the lifting rod.

[0009] The lower surface of the drive rack is provided with a rectangular seat, and the lower end of the rectangular seat is provided with a long pin that can move up and down. The lower end of the outer surface of the lifting rod is fixedly connected to a drive plate, and a track plate is fixedly connected to one side end face of the drive plate. The track plate is provided with a first straight groove, a wave groove and a second straight groove that cooperate with the long pin.

[0010] The lower end of the rectangular seat is slidably connected to a guide plate, and the inner wall of the rectangular seat is slidably connected to a small slider. A long pin is fixed to the lower end of the small slider. Short pins are provided on both sides of the small slider. An upper horizontal groove, a first oblique groove, and a lower horizontal groove that cooperate with the short pins are provided on both sides of the guide plate.

[0011] A baffle that cooperates with the guide plate is fixed to the upper surface of the track plate.

[0012] The front end of the frame is provided with an extension platform, and the upper end of the extension platform is provided with a one-way clamp. The one-way clamp includes a T-shaped seat and a clamping plate at the upper end of the T-shaped seat. When the T-shaped seat moves from back to front, the clamping plate can clamp and fix the aluminum material and drive the aluminum material to move from back to front.

[0013] The lower end of the lifting rod is provided with an active spur rack, and an idler wheel is rotatably connected to the frame. The active spur rack meshes with the lower end of the outer surface of the idler wheel, and the upper end of the outer surface of the idler wheel meshes with a driven spur rack that is slidably connected to the T-shaped seat. The T-shaped seat is slidably connected to the inner wall of the extension platform.

[0014] The upper surface of the T-shaped seat is provided with outer clamps on both sides and an inner clamp in the middle of the upper surface of the T-shaped seat. The clamping plate includes two outer clamps and two inner clamps. The two outer clamps are slidably connected to the inner wall of the corresponding outer clamps, and the two inner clamps are slidably connected to the inner walls at both ends of the inner clamps. The lower end of the T-shaped seat is provided with a drive bar that can move up and down. When the drive bar moves down, it can cause the two outer clamps to move inward and the inner clamps to move outward.

[0015] The drive bar has a first guide seat at the middle of its upper end, and the inner ends of the two inner clamping plates are each provided with a first sliding pin. The two end faces of the first guide seat are each provided with a first oblique keyway that cooperates with the first sliding pin. The two sides of the upper end of the drive bar are each provided with a second guide seat, and the outer ends of the two outer clamping plates are each provided with a second sliding pin. The second guide seat is provided with a second oblique keyway that cooperates with the second sliding pin. The inner wall of the T-shaped seat is provided with a second spring that cooperates with the drive bar.

[0016] The inner wall of the T-shaped seat is provided with a square box, the inner wall of the square box is provided with a wedge-shaped locking block, the inner wall of the square box is also provided with a first spring that cooperates with the wedge-shaped locking block, the middle of the drive bar is provided with a slot that cooperates with the wedge-shaped locking block, both sides of the drive bar are provided with driven pins, and one side of the upper surface of the extension platform is provided with two wedge-shaped seats that cooperate with the driven pins.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] In operation, the softened aluminum rod is first placed in the V-shaped trough at the top of the frame. Then, the hydraulic press is activated, driving the lifting rod forward. The pressure plate smoothly pushes the aluminum rod into the heating cavity. Under the obstruction of the die head, the aluminum rod is extruded into a specific shape and continuously extruded from the outlet. Simultaneously, as the lifting rod moves forward, the active spur rack, fixed to the other side of the lower end of the drive plate, drives the driven spur rack through idler gear engagement, thereby causing the T-shaped seat and one-way clamp to slide backward. At this time, the driven pin engages with the wedge-shaped seat on the extension table, causing the drive bar to overcome the spring force of the second spring and move downward. As the drive bar descends, its first guide seat, through the cooperation of the first inclined keyway and the first sliding pin, drives the two inner clamping plates to expand outwards and support the inner side of the aluminum strip. The second guide seat, through the cooperation of the second inclined keyway and the second sliding pin, drives the two outer clamping plates to clamp the outer side of the aluminum strip inward, achieving omnidirectional stable clamping of the extruded aluminum strip. When the drive bar descends to the slot and aligns with the wedge-shaped clamping block, the wedge-shaped clamping block pops out under the action of the first spring and embeds into the slot, locking the position of the drive bar and thus keeping the clamping plates in a stable clamping state. When the hydraulic press drives the lifting rod to move backward and reset after extrusion molding, the lifting rod drives the drive plate and the track plate to move backward synchronously. At this time, the wave groove of the track plate meshes with the long pin. The long pin drives the spur gear and the round sleeve to reciprocate forward and reverse rotation through the square seat and the drive rack, thereby driving the spray ring fixed to the front end of the multi-stage telescopic tube to rotate, so that the multiple nozzles on the outer periphery of the spray ring move in a circular motion along the inner wall of the cavity. During the sweeping process, the nozzle moves backward along with the lifting rod, thoroughly cleaning the dust, oxide debris, and other residual impurities inside the cavity and blowing them to the outside, thus achieving efficient cleaning of the cavity wall. Simultaneously, as the lifting rod moves backward, the active rack drives the driven rack in the opposite direction via an idler wheel, causing the T-shaped seat and one-way clamp to move forward. At this time, the wedge-shaped locking block locks the slot, ensuring the clamping plate maintains a stable grip on the aluminum strip. The one-way clamp then pulls the aluminum strip forward, smoothly removing the end aluminum material remaining in the cavity and mold head. When the T-shaped seat moves forward until the long guide rod meets the stop, the long guide rod is blocked, driving the key-shaped seat and wedge-shaped locking block to move backward and disengage from the slot. The drive bar, under the force of the second spring, returns to its original position, causing the outer and inner clamping plates to... The clamps automatically release from the aluminum strip as the aluminum bar opens outwards, completing a full cycle of pulling the aluminum strip forward and then automatically releasing it. Throughout the entire process, the cavity cleaning operation is seamlessly integrated with the extrusion production process. The cleaning mechanism automatically starts to thoroughly clean the inner wall of the cavity the instant the lifting rod resets after the aluminum bar is fully extruded. Cleaning can be completed without stopping the machine, eliminating the process interruption time caused by traditional manual cleaning. This significantly improves the continuous operation efficiency of aluminum profile extrusion production. At the same time, it promptly removes residual impurities such as dust and oxide debris brought in by the aluminum bar, preventing dust from embedding into the surface of the aluminum profile product during the extrusion process. This effectively reduces quality defects such as surface inclusions, scratches, and dents, significantly improving the finished product qualification rate and appearance quality of the aluminum profile.Moreover, this cleaning mechanism utilizes a mechanical structure to achieve standardized cleaning operations. The cleaning range and intensity are uniform and controllable, completely replacing traditional manual cleaning. This reduces the workload of operators, lowers labor costs, and avoids the oversights and inconsistencies inherent in manual cleaning. It consistently maintains the cleanliness of the cavity, ensuring consistent quality across different batches of aluminum profiles. Furthermore, timely removal of hard dust residue from the cavity wall effectively reduces scratching and abrasive wear during extrusion, maintaining the dimensional accuracy and surface finish of the cavity's working surface. This extends the lifespan of the extrusion die, reducing production losses and costs associated with die replacement and maintenance. Simultaneously, the unidirectional clamp automatically pulls the aluminum strip forward when the lifting rod moves backward, completely removing the remaining aluminum material from the cavity and die head, preventing material residue from interfering with subsequent extrusion production and further ensuring production continuity and product dimensional accuracy. Attached Figure Description

[0019] Figure 1 This is an isometric view of an aluminum profile extrusion die according to the present invention.

[0020] Figure 2 This is a schematic diagram of the installation of the lifting rod of an aluminum profile extrusion die according to the present invention.

[0021] Figure 3 This is a schematic diagram of the driven straight rack installation of an aluminum profile extrusion die according to the present invention.

[0022] Figure 4 This is a schematic diagram of the installation of a cooling box for an aluminum profile extrusion die according to the present invention.

[0023] Figure 5 This is a schematic diagram of the spur gear installation of an aluminum profile extrusion die according to the present invention.

[0024] Figure 6 This is a schematic diagram of the installation of a drive rack for an aluminum profile extrusion die according to the present invention.

[0025] Figure 7 This is a cross-sectional view of the guide plate of an aluminum profile extrusion die according to the present invention.

[0026] Figure 8 This is a schematic diagram of the track plate installation of an aluminum profile extrusion die according to the present invention.

[0027] Figure 9 This is a schematic diagram of the idler wheel installation of an aluminum profile extrusion die according to the present invention.

[0028] Figure 10 This is a schematic diagram of the T-shaped seat installation of an aluminum profile extrusion die according to the present invention.

[0029] Figure 11This is a cross-sectional view of the T-shaped seat of an aluminum profile extrusion die according to the present invention.

[0030] Figure 12 This is a schematic diagram of the installation of the drive bar for an aluminum profile extrusion die according to the present invention.

[0031] Figure 13 This is a schematic diagram of the installation of a wedge-shaped clamping block in an aluminum profile extrusion die according to the present invention.

[0032] Figure 14 This is a schematic diagram of the wedge-shaped base installation of an aluminum profile extrusion die according to the present invention.

[0033] Numbering in the diagram: 1-Frame, 2-Hydraulic press, 3-Lifting rod, 4-V-shaped material groove, 5-Cavity, 6-Mold head, 7-Cooling box, 8-Drive plate, 9-Track plate, 10-First straight groove, 11-Wave groove, 12-Second straight groove, 13-Long pin, 14-Rectangular seat, 15-Guide plate, 16-Small slider, 17-Short pin, 18-Upper transverse groove, 19-First inclined groove, 20-Lower transverse groove, 21-Drive spur rack, 22-Spur gear, 23-Top seat, 24-Round sleeve, 25-Multi-stage telescopic tube, 26-Spray ring, 27-Spray head, 28-Top pressure plate, 29-Drive spur rack, 30-Inertial... Wheel, 31-Driven spur rack, 32-T-shaped seat, 33-Inner clamping seat, 34-Outer clamping seat, 35-Inner clamping plate, 36-Outer clamping plate, 37-First guide seat, 38-First sliding pin, 39-First oblique keyway, 40-Second guide seat, 41-Second oblique keyway, 42-Second sliding pin, 43-Drive bar, 44-Slot, 45-Square box, 46-Wedge-shaped block, 47-First short guide rod, 48-First spring, 49-Second short guide rod, 50-Key-shaped seat, 51-Long guide rod, 52-Stop seat, 53-Driven pin, 54-Wedge-shaped seat, 55-Second spring, 56-Extension platform, 57-Baffle. Detailed Implementation

[0034] like Figures 1-14 As shown, the present invention provides an aluminum profile extrusion die, including a frame 1. A hydraulic press 2 is provided on one side of the upper end of the frame 1. A lifting rod 3 is provided at the output end of the hydraulic press 2. A cavity 5 is provided in the middle of the frame 1. The cavity 5 has a die head 6 at the outlet. A V-shaped material groove 4 is provided at the inlet of the cavity 5. A cleaning mechanism is provided on the outer surface of the lifting rod 3. The cleaning mechanism includes a spray ring 26. Multiple nozzles 27 are provided on the outer periphery of the spray ring 26. When the aluminum rod is placed in the V-shaped material groove 4, the lifting rod 3 can be pushed into the cavity 5 and extruded when the hydraulic press 2 is working. When the lifting rod 3 is reset, the cleaning mechanism is activated and the spray ring 26 can rotate and move, so that the multiple nozzles 27 spray and sweep along the inner wall of the cavity 5.

[0035] like Figures 1-6As shown, frame 1 supports the components of the entire device, and hydraulic press 2 drives lifting rod 3 to move back and forth. Hydraulic press 2 is existing technology and will not be described in detail. Cavity 5 is a heated cavity 5, which keeps the softened aluminum rod at a specified temperature range, facilitating extrusion from the mold head 6. V-shaped groove 4 is fixed on frame 1. In use, the heated aluminum rod is placed in V-shaped groove 4. When hydraulic press 2 drives lifting rod 3 to move forward, it pushes the aluminum rod into cavity 5. When the aluminum rod moves to mold head 6, lifting rod 3... Continuing to push, the aluminum rod is extruded into a specific shape under the obstruction of the mold head 6, thereby producing the required aluminum profile. After the aluminum rod is fully extruded, when the hydraulic press 2 drives the lifting rod 3 to reset, the cleaning mechanism can perform a cleaning process on the inner wall of the cavity 5. That is, the spray ring 26 can rotate and drive multiple nozzles 27 to move circumferentially, thereby cleaning the impurities inside the cavity 5 in all directions. In conjunction with the lifting rod 3 moving backward, that is, driving the nozzles 27 to move backward, the impurities inside the cavity 5 are blown to the outside. The nozzles 27 are installed as follows. Figure 6 As shown, it has a certain tilt angle, which facilitates the blowing away of impurities; it can promptly clean the inner wall of cavity 5 after the aluminum rod is pushed and extruded, quickly removing residual impurities such as dust and oxide debris brought in by the aluminum rod, preventing dust from embedding into the aluminum profile product during the extrusion process, effectively reducing surface inclusions, scratches, pits and other quality defects, and significantly improving the finished product qualification rate and appearance quality of the aluminum profile; the cavity 5 cleaning operation can be seamlessly connected with the extrusion production process, and the cleaning of the inner wall of cavity 5 can be completed without stopping the machine, saving the process interruption time caused by traditional manual cleaning, and greatly improving the continuous operation efficiency of aluminum profile extrusion production; at the same time, it replaces manual labor. The manual cleaning operation reduces the workload of operators and reduces labor costs. Timely removal of hard dust residue on the inner wall of cavity 5 can effectively reduce the scratching and abrasive wear of dust on the inner wall of cavity 5 during extrusion, maintain the dimensional accuracy and surface smoothness of the working surface of cavity 5, extend the service life of extrusion molds, and reduce production losses and costs caused by mold replacement and maintenance. The standardized cavity 5 cleaning operation is achieved by relying on the mechanical structure. The cleaning range and cleaning intensity are uniform and controllable, avoiding the omissions and differences in effect that exist in manual cleaning. It can continuously and stably maintain the cleanliness of cavity 5 and ensure the quality consistency of different batches of aluminum profile products.

[0036] The upper end of the frame 1 is provided with a top seat 23, and a circular sleeve 24 is rotatably connected to the top seat 23. A spur gear 22 is provided on the outer surface of the circular sleeve 24. A drive spur rack 21 that meshes with the spur gear 22 is provided on the top seat 23. Multiple multi-stage telescopic tubes 25 are provided at the front end of the circular sleeve 24. The spray ring 26 is fixed to the front end of the multiple multi-stage telescopic tubes 25. A top pressure plate 28 is provided at the front end of the lifting rod 3.

[0037] like Figure 6As shown, the top seat 23 is fixed on the frame 1, the lifting rod 3 passes through the round sleeve seat and is rotatably connected to the inner wall of the round sleeve seat; the spray ring 26 is rotatably connected to the outer surface of the lifting rod 3. When the lifting rod 3 moves back and forth, it can drive the spray ring 26, the nozzle 27 and other components to move back and forth synchronously. The top pressure plate 28 is fixed on the lifting rod 3, and the size of the top pressure plate 28 is adapted to the inner wall of the cavity 5; the multi-stage telescopic tube 25 is used to limit and support the spray ring 26; the active spur rack 29 can slide left and right on the front surface of the top seat 23. When the active spur rack 29 moves left and right, it can drive the spur gear 22, the round sleeve 24, the multi-stage telescopic tube 25 and the spray ring 26 to rotate synchronously in both directions, that is, drive the corresponding nozzle 27 to move in both directions in a circular motion.

[0038] The lower surface of the drive rack 21 is provided with a rectangular seat 14, and the lower end of the rectangular seat 14 is provided with a long pin 13 that can move up and down. The lower end of the outer surface of the lifting rod 3 is fixedly connected to a drive plate 8, and a track plate 9 is fixedly connected to one side end face of the drive plate 8. The track plate 9 is provided with a first straight groove 10, a wave groove 11 and a second straight groove 12 that cooperate with the long pin 13.

[0039] like Figures 6-8 As shown, the rectangular seat 14 is fixed to the lower surface of the drive rack 21. A long pin 13, capable of moving up and down, engages with the track plate 9 when moving downwards and disengages when moving upwards. When the lifting rod 3 moves back and forth, it drives the drive plate 8 and track plate 9 to move back and forth. The track plate 9 is slidably connected to the frame 1. The first straight groove 10 and the second straight groove 12 facilitate the insertion of the long pin 13 into the corresponding first straight groove 10 or second straight groove 12 when the track plate 9 moves forward or backward to the top. When the long pin 13 engages with the wave groove 11, the movement of the lifting rod 3, drive plate 8, and track plate 9 drives the long pin 13, rectangular seat 14, and drive rack 21 to move back and forth, thus driving the spray ring 26 to rotate in both directions.

[0040] The lower end of the rectangular base 14 is slidably connected to a guide plate 15, and a small slider 16 is slidably connected to the inner wall of the rectangular base 14. A long pin 13 is fixed to the lower end of the small slider 16. Short pins 17 are provided on both sides of the small slider 16. An upper horizontal groove 18, a first inclined groove 19, and a lower horizontal groove 20 that cooperate with the short pins 17 are provided on both sides of the guide plate 15.

[0041] like Figures 6-7As shown, the guide plate 15 can slide back and forth on the outer surface of the rectangular seat 14, and the small slider 16, short pin 17, and long pin 13 can slide up and down on the inner wall of the rectangular seat 14. When the short pin 17 engages with the upper horizontal groove 18, the long pin 13 is at its highest stable position, that is, the long pin 13 is stably disengaged from the track plate 9. When the short pin 17 engages with the inner wall of the lower horizontal groove 20, the long pin 13 is at its lowest stable position, that is, the long pin 13 is stably engaged with the track plate 9. When the short pin 17 engages with the first inclined groove 19, the long pin 13 can move upward or downward. Movement; When the guide plate 15 moves from back to front, the short pin 17 can slide from the inner wall of the upper horizontal groove 18 into the inner wall of the first inclined groove 19 and the lower horizontal groove 20, that is, the corresponding small slider 16 and long pin 13 can slide down from the uppermost position to the lowermost position and lock, at which time the long pin 13 can stably engage with the track plate 9. When the guide plate 15 moves from front to back, the short pin 17 can slide from the inner wall of the lower horizontal groove 20 into the inner wall of the first inclined groove 19 and the upper horizontal groove 18, that is, the long pin 13 can move from the lowermost position to the uppermost position, that is, the long pin 13 disengages from the track groove.

[0042] A baffle 57 that cooperates with the guide plate 15 is fixedly connected to the upper surface of the track plate 9.

[0043] like Figure 8 As shown, with the cooperation of the baffle 57, drive plate 8, and guide plate 15, when the lifting rod 3, drive plate 8, and track plate 9 move synchronously from back to front, the aluminum rod is compressed. This causes the corresponding short pin 17 to engage with the upper transverse groove 18, placing the long pin 13 at its highest position, i.e., on the inner wall of the rectangular seat 14. At this point, the long pin 13 disengages from the track plate 9. When the lifting rod 3 moves forward to the top, i.e., when the corresponding track plate 9 and baffle 57 move forward to the top, the baffle 57 can compress and push the guide plate 15, causing the guide plate 15 to move forward. This allows the corresponding short pin 17 to slide from the inner wall of the upper transverse groove 18 into the inner wall of the lower transverse groove 20, and the long pin 13 to move downwards into the inner wall of the second straight groove 12. When the lifting rod 3 moves back to its original position from front to back... When the corresponding track plate 9 moves backward to reset, the long pin 13 can engage with the wave groove 11, and the corresponding spray ring 26 can rotate and move. When the lifting rod 3, drive plate 8, and track plate 9 move backward to the top, the corresponding drive plate 8 can squeeze and push the guide plate 15 to move backward, and the corresponding short pin 17 slides from the inner wall of the lower horizontal groove 20 into the inner wall of the upper horizontal groove 18. The long pin 13 can move from bottom to top, and disengage from the track plate 9. The first straight groove 10 and the second straight groove 12 facilitate the long pin 13 to engage with the track plate 9 downward or move upward to disengage from the track plate 9. This means that when the lifting rod 3 moves from back to front, the corresponding spray ring 26 will not work, and when the lifting rod 3 moves from front to back to reset, the corresponding spray ring 26 can rotate and work.

[0044] The front end of the frame 1 is provided with an extension platform 56, and the upper end of the extension platform 56 is provided with a one-way clamp. The one-way clamp includes a T-shaped seat 32, and the upper end of the T-shaped seat 32 is provided with a clamping plate. When the T-shaped seat 32 moves from back to front, the clamping plate can clamp and fix the aluminum material and drive the aluminum material to move from back to front.

[0045] like Figure 4 , Figures 9-10 As shown, the extension table 56 is used to install corresponding components such as the one-way clamp. The upper end of the extension table 56 is equipped with a cooling box 7, which can cool the extruded aluminum strip. The cooling box 7 is existing technology and will not be described in detail. When the one-way clamp is set, the unextruded aluminum material can be pulled out. The one-way clamp can clamp the aluminum strip in one direction. That is, when the T-shaped seat 32 moves from back to front, the clamping plate can clamp and fix the extruded aluminum strip and pull the aluminum strip forward, thereby pulling out the aluminum material stored in the cavity 5 and the mold head 6. When the T-shaped seat 32 moves from front to back, the corresponding clamping plate will not clamp and fix the aluminum strip.

[0046] The lower end of the lifting rod 3 is provided with an active spur rack 29, and an idler wheel 30 is rotatably connected to the frame 1. The active spur rack 29 meshes with the lower end of the outer surface of the idler wheel 30, and the upper end of the outer surface of the idler wheel 30 meshes with a driven spur rack 31 that is slidably connected to the T-shaped seat 32. The T-shaped seat 32 is slidably connected to the inner wall of the extension platform 56.

[0047] like Figure 9 As shown, the active spur rack 29 is fixed to the other side of the lower end of the drive plate 8, which is equivalent to being fixed to the lower end of the lifting rod 3. When the lifting rod 3 moves back and forth, it can drive the active spur rack 29 to move back and forth. A rotating shaft is fixed to the inner wall of the center of the idler wheel 30. The rotating shaft is rotatably connected to the inner wall of the frame 1. The idler wheel 30 can only rotate. The active spur rack 29 and the driven spur rack 31 are both slidably connected to the frame 1. When the lifting rod 3 moves forward, it can squeeze the aluminum rod. At the same time, it can drive the active spur rack 29 to move forward and the driven spur rack 31 and the T-shaped seat 32 to move backward. When the lifting rod 3 moves backward and resets, it can drive the T-shaped seat 32 to move forward. That is, the clamping plate pulls the aluminum strip forward, so that the end aluminum material remaining in the mold cavity is pulled out.

[0048] The upper surface of the T-shaped seat 32 is provided with outer clamping seats 34 on both sides, and an inner clamping seat 33 is provided in the middle of the upper surface of the T-shaped seat 32. The clamping plate includes two outer clamping plates 36 and two inner clamping plates 35. The two outer clamping plates 36 are slidably connected to the inner wall of the corresponding outer clamping seat 34, and the two inner clamping plates 35 are slidably connected to the inner walls at both ends of the inner clamping seat 33. The lower end of the T-shaped seat 32 is provided with a drive bar 43 that can move up and down. When the drive bar 43 moves downward, it can cause the two outer clamping plates 36 to move inward and the inner clamping plates 35 to move outward.

[0049] like Figures 10-11 As shown, the outer clamp 34 and the inner clamp 33 are both fixed to the upper surface of the T-shaped seat 32. The outer clamp 34 and the inner clamp 33 are used to support and install the outer clamp 36 and the inner clamp 35. The outer clamp 36 can slide left and right on the inner wall of the outer clamp 34, and the inner clamp 35 can slide left and right on the inner wall of the inner clamp 33. Through the driving bar 43 that can move up and down, when the driving bar 43 moves down, it can drive the two outer clamps 36 to move inward, that is, to clamp and fix the outer side of the aluminum strip. The inner clamp 35 moves outward to expand and fix the inner side of the aluminum strip. That is, the one-way clamp clamps and fixes the aluminum strip. At this time, when the T-shaped seat 32 moves forward, it can drive the aluminum strip to move forward.

[0050] The drive bar 43 has a first guide seat 37 at the middle of its upper end. The inner ends of the two inner clamping plates 35 are each provided with a first sliding pin 38. The two end faces of the first guide seat 37 are each provided with a first oblique keyway 39 that cooperates with the first sliding pin 38. The two sides of the upper end of the drive bar 43 are each provided with a second guide seat 40. The outer ends of the two outer clamping plates 36 are each provided with a second sliding pin 42. The second guide seat 40 is provided with a second oblique keyway 41 that cooperates with the second sliding pin 42. The inner wall of the T-shaped seat 32 is provided with a second spring 55 that cooperates with the drive bar 43.

[0051] like Figures 11-12 As shown, support seats are fixed to the outer surfaces of the first sliding pin 38 and the second sliding pin 42. These support seats are fixed to the corresponding inner clamping plate 35 and outer clamping plate 36, meaning the first sliding pin 38 is fixed to the inner clamping plate 35 and the second sliding pin 42 is fixed to the outer clamping plate 36. When the drive bar 43 moves up and down, it can drive the first guide seat 37 and the second guide seat 40 to move up and down synchronously. The first oblique keyways 39 on both sides of the first guide seat 37 are centrally symmetrical. That is, when the first guide seat 37 moves downward, the engagement of the first sliding pin 38 with the first oblique keyway 39 can drive... The inner clamping plate 35 moves outward. When the second guide seat 40 moves downward, it can drive the outer clamping plate 36 to move inward through engagement with the second sliding pin 42. That is, when the drive bar 43 moves downward, it can drive the outer clamping plate 36 to move inward and the inner clamping plate 35 to move outward. Similarly, when the drive bar 43 moves upward, it can drive the inner clamping plate 35 to move inward and the outer clamping plate 36 to move outward. The second spring 55 always has an upward driving force on the drive bar 43, so that the drive bar 43 is in the top position under normal conditions, even if the clamp is in the open state under normal conditions.

[0052] The inner wall of the T-shaped seat 32 is provided with a square box 45, the inner wall of the square box 45 is provided with a wedge-shaped latch 46, and the inner wall of the square box 45 is also provided with a first spring 48 that cooperates with the wedge-shaped latch 46. The middle part of the drive bar 43 is provided with a slot 44 that cooperates with the wedge-shaped latch 46. Both sides of the drive bar 43 are provided with driven pins 53. The upper surface of the extension platform 56 is provided with two wedge-shaped seats 54 that cooperate with the driven pins 53.

[0053] like Figures 11-14 As shown, the square box 45 is fixed to the inner wall of the T-shaped seat 32. The wedge-shaped locking block 46 can slide back and forth on the inner wall of the square box 45. The first spring 48 always exerts a forward driving force on the wedge-shaped locking block 46. Even if the wedge-shaped locking block 46 is in the extended state under normal conditions, when the drive bar 43 moves downward, it can meet the inclined surface of the wedge-shaped locking block 46. At this time, it can drive the wedge-shaped locking block 46 to move backward, that is, the wedge-shaped locking block 46 enters the inner wall of the square box 45 and compresses the first spring 48. When the drive bar 43 moves downward to the designated position, that is, when the slot 44 meets the wedge-shaped locking block 46, the wedge-shaped locking block 46 can pop outward under the elastic force of the first spring 48, that is, it can limit and fix the drive bar 43. The wedge-shaped seat 54 is fixed to both sides of the upper surface of the extension platform 56. When the unidirectional clamp moves from front to back, the clamping plate is in an open state, meaning the T-shaped seat 32, drive bar 43, and driven pin 53 move from front to back. When the T-shaped seat 32 moves backward to the designated position, the driven pin 53 meets the wedge-shaped seat 54. Under the contact engagement between the inclined surface of the wedge-shaped seat 54 and the driven pin 53, the driven pin 53 can move downward, meaning the corresponding drive bar 43 moves downward. The clamping plate moves inward to close, clamping and fixing the aluminum strip. When the drive bar 43 moves downward to the designated position, the slot 44 engages with the wedge-shaped block 46. At this time, the position of the drive bar 43 is fixed, meaning the clamping plate can stably clamp and fix the aluminum strip. When the T-shaped seat 32 moves from back to front, it can pull the aluminum strip forward. Figure 13As shown, a first short guide rod 47 is slidably connected to the inner wall of the square box 45. One end of the first short guide rod 47 is fixed to the wedge-shaped latch 46, and the other end is fixed to the key-shaped seat 50. A second short guide rod 49, which is fixed to the key-shaped seat 50, is slidably connected to the inner wall of the T-shaped seat 32. A spring is also fitted on the outer surface of the second short guide rod 49. A long guide rod 51 is slidably connected to the inner wall of the T-shaped seat 32. One end of the long guide rod 51 is fixed to the key-shaped seat 50. The long guide rod 51 can slide back and forth on the inner wall of the T-shaped seat 32. When the long guide rod 51 moves back and forth, it can drive the key-shaped seat 50, the wedge-shaped latch 46, etc., to move back and forth, that is, independently... The wedge-shaped locking block 46 is disengaged from the slot 44 by means of a long guide rod 51, a key-shaped seat 50, a first short guide rod 47, and a second short guide rod 49, which facilitates stable forward and backward movement of the wedge-shaped locking block 46. A stop 52, which cooperates with the long guide rod 51, is fixed to the other side of the upper surface of the extension platform 56. When the T-shaped seat 32 moves from back to front, the clamping plate is in a closed clamping state, i.e., the drive bar 43 is at its lowest position, and the wedge-shaped locking block 46 is engaged with the slot 44. When the T-shaped seat 32 moves forward until the long guide rod 51 meets the stop 52, the long guide rod 51 stops moving forward due to the obstruction of the stop 52. When the T-shaped seat 32 continues to move forward, it can cause the wedge-shaped locking block 46 to move inward and disengage from the slot 44. At this time, the drive bar 43 can move upward and reset under the elastic force of the second spring 55, that is, the corresponding clamping plate opens outward and no longer clamps and fixes the aluminum strip. When the lifting rod 3 moves from back to front, it can drive the T-shaped seat 32 to move backward. When the lifting rod 3 moves forward to the top, the T-shaped seat 32 can move backward to make the driven pin 53 meet and engage with the wedge-shaped seat 54. That is, the corresponding drive bar 43 moves downward to make the clamping plate close inward and clamp and fix the aluminum strip. The wedge-shaped locking block 46 engages with the slot 44, making the clamping plate close inward and fix the aluminum strip. The plate stably clamps and fixes the aluminum strip; when the lifting rod 3 moves from front to back to reset, the corresponding T-shaped seat 32 can move forward, that is, pull the aluminum strip forward and pull out the aluminum material in the mold cavity. When the lifting rod 3 moves backward to reset to the initial state, the corresponding T-shaped seat 32 can move forward to make the long guide rod 51 meet the stop seat 52. That is, at this time, the wedge-shaped block 46 can be driven to move inward and disengage from the slot 44. That is, the corresponding drive bar 43 moves upward and the clamping plate moves outward, no longer clamping and fixing the aluminum strip, so that the one-way clamp can pull the aluminum strip from back to front in one direction. When moving from front to back, the one-way clamp will not work.

[0054] In use, the softened aluminum rod is first placed in the V-shaped trough 4 at the upper end of the frame 1. Then, the hydraulic press 2 is started to drive the lifting rod 3 forward. The top plate 28 smoothly pushes the aluminum rod into the heating cavity 5. Under the obstruction of the mold head 6, the aluminum rod is extruded into a specific shape of aluminum profile and continuously extruded from the outlet. At the same time, as the lifting rod 3 moves forward, the driving spur rack 29, which is fixed to the other side of the lower end of the drive plate 8, meshes with the driven spur rack 31 through the idler wheel 30, thereby driving the T-shaped seat 32 and the one-way clamp to slide backward. At this time, the driven pin 53 meets and meshes with the wedge seat 54 on the extension table 56, causing the drive bar 43 to move downward against the elastic force of the second spring 55. When the drive bar 43 moves downward, the first guide seat 37 on it passes through the second spring 55. The engagement of a slanted keyway 39 with the first sliding pin 38 drives the two inner clamping plates 35 to expand outwards along the inner side of the aluminum strip. Simultaneously, the second guide seat 40, through the engagement of the second slanted keyway 41 with the second sliding pin 42, drives the two outer clamping plates 36 to clamp the outer side of the aluminum strip inwards, achieving omnidirectional stable clamping of the extruded aluminum strip. When the drive bar 43 descends to the slot 44 and aligns with the wedge-shaped block 46, the wedge-shaped block 46 pops out under the action of the first spring 48 and embeds into the slot 44, locking the position of the drive bar 43 and thus maintaining a stable clamping state. After extrusion molding is completed, when the hydraulic press 2 drives the lifting rod 3 to move backwards and reset, the lifting rod 3 drives the drive plate 8 and the track plate 9 to move backwards synchronously. At this time, the wave groove 11 of the track plate 9 engages with the long pin 13, and the long pin 13 passes through a straight... The square base 14 and the driving rack 21 drive the spur gear 22 and the circular sleeve 24 to reciprocate in both directions, thereby driving the spray ring 26 fixed to the front end of the multi-stage telescopic tube 25 to rotate. This causes multiple nozzles 27 on the outer periphery of the spray ring 26 to perform circumferential spraying along the inner wall of the cavity 5. At the same time, the nozzles 27 move backward with the lifting rod 3, cleaning the dust, oxide debris and other residual impurities inside the cavity 5 from all directions and blowing them backward to the outside, thus achieving efficient cleaning of the inner wall of the cavity 5. While the lifting rod 3 moves backward, the active rack 29 drives the driven rack 31 in the opposite direction through the idler wheel 30, causing the T-shaped base 32 and the one-way clamp to move forward. At this time, the wedge-shaped block 46 locks the slot 44, keeping the clamp plate stably clamping the aluminum strip, and the one-way clamp then... Pulling the aluminum strip forward smoothly removes the end aluminum material remaining in the cavity 5 and mold head 6. When the T-shaped seat 32 moves forward until the long guide rod 51 meets the stop seat 52, the long guide rod 51 is blocked, driving the key-shaped seat 50 and wedge-shaped locking block 46 to move backward and disengage from the locking groove 44. Under the elastic force of the second spring 55, the drive bar 43 returns to its original position upward, causing the outer clamping plate 36 and inner clamping plate 35 to open outward. The clamp automatically releases the aluminum strip, thus completing a complete cycle of pulling the aluminum strip forward and then automatically releasing it. Throughout the entire process, the cleaning operation of the cavity 5 is seamlessly connected with the extrusion production process. The cleaning mechanism automatically starts the moment the lifting rod 3 returns to its original position after the aluminum rod is completely extruded, performing a comprehensive cleaning of the inner wall of the cavity 5 without stopping the machine.This system eliminates the downtime caused by traditional manual cleaning, significantly improving the continuous operating efficiency of aluminum profile extrusion production. It also promptly removes residual impurities such as dust and oxide debris carried in by the aluminum rods, preventing dust from embedding into the surface of the aluminum profiles during extrusion. This effectively reduces surface inclusions, scratches, dents, and other quality defects, significantly improving the finished product qualification rate and appearance quality of the aluminum profiles. Furthermore, this cleaning mechanism utilizes a mechanical structure to achieve standardized cleaning operations, ensuring uniform and controllable cleaning range and intensity. It completely replaces traditional manual cleaning operations, reducing the workload of operators, lowering labor costs, and avoiding the oversights and inconsistencies inherent in manual cleaning. It can consistently maintain the cleanliness of cavity 5, ensuring the quality consistency of aluminum profile products from different batches. Furthermore, timely removal of hard dust residue on the inner wall of cavity 5 effectively reduces scratching and abrasive wear caused by dust during extrusion, maintaining the dimensional accuracy and surface finish of the working surface of cavity 5. This extends the service life of the extrusion die and reduces production losses and costs associated with die replacement and maintenance. Simultaneously, the one-way clamp automatically pulls the aluminum strip forward when the lifting rod 3 moves backward, completely removing the end aluminum material remaining in cavity 5 and die head 6. This prevents material residue from interfering with subsequent extrusion production, further ensuring production continuity and product dimensional accuracy.

Claims

1. An aluminum profile extrusion die, comprising a frame (1), characterized in that: The frame (1) is equipped with a hydraulic press (2) on one side at the upper end. The hydraulic press (2) is equipped with a lifting rod (3) at the output end. The frame (1) is equipped with a cavity (5) in the middle. The cavity (5) has a mold head (6) at the outlet. The cavity (5) has a V-shaped material groove (4) at the inlet. The lifting rod (3) is equipped with a cleaning mechanism on its outer surface. The cleaning mechanism includes a spray ring (26). Multiple nozzles (27) are provided on the outer periphery of the spray ring (26). When the aluminum rod is placed in the V-shaped material groove (4), the lifting rod (3) can be pushed into the cavity (5) when the hydraulic press (2) is working, and the aluminum rod is squeezed. When the lifting rod (3) is reset, the cleaning mechanism is activated and the spray ring (26) can rotate and move, so that multiple nozzles (27) spray along the inner wall of the cavity (5).

2. The aluminum profile extrusion die as described in claim 1, characterized in that: The upper end of the frame (1) is provided with a top seat (23), and a round sleeve (24) is rotatably connected to the top seat (23). A spur gear (22) is provided on the outer surface of the round sleeve (24). A drive spur rack (21) meshing with the spur gear (22) is provided on the top seat (23). Multiple multi-stage telescopic tubes (25) are provided at the front end of the round sleeve (24). The spray ring (26) is fixed to the front end of the multiple multi-stage telescopic tubes (25). A top pressure plate (28) is provided at the front end of the lifting rod (3).

3. The aluminum profile extrusion die as described in claim 2, characterized in that: The lower surface of the drive rack (21) is provided with a rectangular seat (14), and the lower end of the rectangular seat (14) is provided with a long pin (13) that can move up and down. The lower end of the outer surface of the lifting rod (3) is fixedly connected to a drive plate (8), and a track plate (9) is fixedly connected to one side end face of the drive plate (8). The track plate (9) is provided with a first straight groove (10), a wave groove (11), and a second straight groove (12) that cooperate with the long pin (13).

4. The aluminum profile extrusion die as described in claim 3, characterized in that: The lower end of the rectangular seat (14) is slidably connected to a guide plate (15), and the inner wall of the rectangular seat (14) is slidably connected to a small slider (16). A long pin (13) is fixed to the lower end of the small slider (16). Short pins (17) are provided on both sides of the small slider (16). An upper horizontal groove (18), a first inclined groove (19), and a lower horizontal groove (20) that cooperate with the short pins (17) are provided on both sides of the guide plate (15).

5. The aluminum profile extrusion die as described in claim 4, characterized in that: The upper surface of the track plate (9) is fixed with a baffle (57) that cooperates with the guide plate (15).

6. The aluminum profile extrusion die as described in claim 1, characterized in that: The frame (1) has an extension platform (56) at the front end. The extension platform (56) has a one-way clamp at the upper end. The one-way clamp includes a T-shaped seat (32). The T-shaped seat (32) has a clamping plate at the upper end. When the T-shaped seat (32) moves from back to front, the clamping plate can clamp and fix the aluminum material and drive the aluminum material to move from back to front.

7. The aluminum profile extrusion die as described in claim 6, characterized in that: The lower end of the lifting rod (3) is provided with an active spur rack (29), and an idler wheel (30) is rotatably connected to the frame (1). The active spur rack (29) meshes with the lower end of the outer surface of the idler wheel (30), and the upper end of the outer surface of the idler wheel (30) meshes with a driven spur rack (31) that is slidably connected to the T-shaped seat (32). The T-shaped seat (32) is slidably connected to the inner wall of the extension platform (56).

8. The aluminum profile extrusion die as described in claim 6, characterized in that: The upper surface of the T-shaped seat (32) is provided with outer clamps (34) on both sides, and an inner clamp (33) is provided in the middle of the upper surface of the T-shaped seat (32). The clamp includes two outer clamps (36) and two inner clamps (35). The two outer clamps (36) are slidably connected to the inner wall of the corresponding outer clamp (34), and the two inner clamps (35) are slidably connected to the inner walls at both ends of the inner clamp (33). The lower end of the T-shaped seat (32) is provided with a drive bar (43) that can move up and down. When the drive bar (43) moves down, it can make the two outer clamps (36) move inward and the inner clamps (35) move outward.

9. The aluminum profile extrusion die as described in claim 8, characterized in that: The drive bar (43) is provided with a first guide seat (37) at the middle of its upper end. The inner ends of the two inner clamping plates (35) are provided with first sliding pins (38). The two end faces of the first guide seat (37) are provided with first oblique keyways (39) that cooperate with the first sliding pins (38). The two sides of the upper end of the drive bar (43) are provided with second guide seats (40). The outer ends of the two outer clamping plates (36) are provided with second sliding pins (42). The second guide seats (40) are provided with second oblique keyways (41) that cooperate with the second sliding pins (42). The inner wall of the T-shaped seat (32) is provided with a second spring (55) that cooperates with the drive bar (43).

10. An aluminum profile extrusion die as described in claim 8, characterized in that: The inner wall of the T-shaped seat (32) is provided with a square box (45), the inner wall of the square box (45) is provided with a wedge-shaped latch (46), the inner wall of the square box (45) is also provided with a first spring (48) that cooperates with the wedge-shaped latch (46), the middle part of the drive bar (43) is provided with a slot (44) that cooperates with the wedge-shaped latch (46), both sides of the drive bar (43) are provided with driven pins (53), and one side of the upper surface of the extension platform (56) is provided with two wedge-shaped seats (54) that cooperate with the driven pins (53).

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