Demolding device for aluminum profile extrusion mold
By designing the aluminum extrusion mold release device for hydraulic cylinders, electric push rods and clamping cylinders, the mold blockage problem caused by aluminum billet retention is solved, automatic mold release is achieved, and work efficiency and production continuity is improved.
Patent Information
- Application Number
- CN202420764108.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-15
AI Technical Summary
During the extrusion of aluminum profiles, the last part of the aluminum billet may remain in the mold, causing the mold to be blocked, and the traditional cleaning method consumes physical strength and is inefficient, affecting production.
Aluminum profile extrusion mold release device is designed, including hydraulic cylinder, electric push rod and clamping cylinder. The extrusion head is driven by the hydraulic cylinder to extrude. The electric push rod pushes out the aluminum billet and clamps the cylinder to clamp and clamp. The aluminum billet is separated from the push plate to realize automatic mold release of the aluminum billet.
The mold release process is simplified, physical strength is saved, work efficiency is improved, and the normal use and production continuity of the mold are ensured.
Smart Images

Figure CN222133020U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of aluminum profile processing, and specifically relates to a demoulding device for an aluminum profile extrusion die. Background Art
[0002] Aluminum profile extrusion is a plastic processing method that applies external force to the aluminum billet placed in a container (extrusion cylinder) to make it flow out of a specific die hole to obtain the desired cross-sectional shape and size.
[0003] However, during the extrusion process, the last part of the aluminum billet may not be fully extruded and remain in the die cavity, and part of the aluminum billet may be blocked in the die hole, which will affect the repair and reuse of the mold. The traditional cleaning method is to manually open the mold and clean out the aluminum billet, which is not only labor-intensive and physically demanding, but also inefficient and affects normal production.
[0004] Therefore, improvements are urgently needed. Utility Model Content
[0005] In view of the above-mentioned defects in the prior art, the utility model provides an aluminum profile extrusion die demoulding device, comprising a first fixed plate, a die and a second fixed plate which are sequentially arranged in front and behind, a plurality of connecting rods are fixedly connected between the first fixed plate and the second fixed plate, the first fixed plate is provided with a through hole, the die is fixedly connected to the rear side of the first fixed plate, a die hole is provided at the front end of the die, and the die hole corresponds to the feed port of the first fixed plate, a push plate is sleeved on the outside of the rear end of the die hole, the push plate is provided with a center hole, and the inner wall of the center hole is matched with the outer wall of the die hole, the push plate divides the interior of the die into two front and rear chambers, an annular cavity and a die cavity, respectively, a plurality of electric push rods are provided in the annular cavity, and the output ends of the plurality of electric push rods are fixedly connected to the push plate, the die cavity is cylindrical, the die cavity is provided with a feed port for feeding and discharging materials, a hydraulic cylinder is fixedly provided on the rear side of the second fixed plate, the piston rod of the hydraulic cylinder passes through the second fixed plate and extends forward, a cylindrical extrusion head is fixedly installed at the end of the piston rod of the hydraulic cylinder, and the shape of the extrusion head matches the die cavity.
[0006] Optionally, the area of the through hole of the first fixing plate is larger than the area of the mold hole of the mold.
[0007] Specifically, this can ensure that the formed aluminum profile can be smoothly passed out.
[0008] Optionally, the mold is provided with a threading hole for threading the electric push rod.
[0009] Optionally, the contact surface between the push plate and the mold is set to be stepped.
[0010] Specifically, this can provide certain support and stabilization for the push plate.
[0011] Optionally, the demoulding device of the aluminum profile extrusion die is also provided with a clamping assembly, which includes two clamping cylinders facing each other up and down, which are fixed on the connecting rod and correspond to the position of the feeding port of the die cavity, and the piston rod of the clamping cylinder is fixedly connected with a clamping plate.
[0012] Specifically, after the electric push rod drives the push plate to push the aluminum billet remaining in the mold cavity out of the mold, if the aluminum billet is stuck on the push plate and cannot be removed, the clamping assembly can be used to clamp the aluminum billet, and then the electric push rod can be controlled to retract the output end, retract the push plate, and separate the aluminum billet and the push plate.
[0013] The utility model also includes other components that enable the demoulding device of an aluminum profile extrusion die to be used normally, which are all conventional technical means in the field. In addition, the devices or components not limited in the utility model all adopt conventional technical means in the field, such as hydraulic cylinders, electric push rods and clamping cylinders.
[0014] The working principle of the utility model is that, when in use, an aluminum billet is placed in a mold cavity, the hydraulic cylinder is controlled to stretch the piston rod, the extrusion head is driven to approach the mold, and the aluminum billet in the mold cavity is extruded so that the front end of the aluminum billet flows out from the mold hole; when the last part of the aluminum billet is extruded, if part of the aluminum billet is blocked in the mold hole, the electric push rod can be controlled to stretch the output end, and the push plate can be driven to push the aluminum billet outward; if the aluminum billet is stuck on the push plate and cannot be removed, the clamping cylinder can be controlled to stretch the piston rod, and the clamping plate can be driven to clamp the aluminum billet; then the electric push rod can be controlled to contract the output end to separate the aluminum billet and the push plate.
[0015] The beneficial effects of the utility model are simple structure, easy use, and convenient for removing the aluminum blank remaining in the mold cavity from the mold, thus solving the problem of mold hole blockage, saving physical strength, high work efficiency, and ensuring normal production. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0018] Figure 2 for Figure 1 Enlarged schematic diagram of the structure of section A in the middle.
[0019] Figure 3 It is a schematic diagram of the extrusion head of the utility model when extruding the aluminum billet in the mold cavity.
[0020] Figure 4It is a schematic diagram of a demoulding device of an aluminum profile extrusion die provided in an embodiment during actual unloading.
[0021] In the figure: 1. first fixed plate, 2. mold, 3. second fixed plate, 4. connecting rod, 5. through hole, 6. mold hole, 7. push plate, 8. mold cavity, 9. electric push rod, 10. hydraulic cylinder, 11. extrusion head, 12. threading hole, 13. clamping assembly, 14. clamping cylinder, 15. clamping plate, 16. aluminum billet, 17. annular cavity. DETAILED DESCRIPTION
[0022] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.
[0023] Example
[0024] like Figure 1-4 As shown, the embodiment of the utility model provides an aluminum profile extrusion die demoulding device, including a first fixed plate 1, a die 2 and a second fixed plate 3 which are sequentially arranged in front and back, a plurality of connecting rods 4 are fixedly connected between the first fixed plate 1 and the second fixed plate 3, the first fixed plate 1 is provided with a through hole 5, the die 2 is fixedly connected to the rear side of the first fixed plate 1, a die hole 6 is provided at the front end of the die 2, and the die hole 6 corresponds to the material passing port of the first fixed plate 1, the area of the through hole 5 of the first fixed plate 1 is larger than the area of the die hole 6 of the die 2, so that the formed aluminum profile can be smoothly passed out, and a push plate 7 is provided on the outer sleeve of the rear end of the die hole 6, and the push plate 7 is provided with A center hole is formed, and the inner wall of the center hole is matched with the outer wall of the mold hole 6. The push plate 7 divides the interior of the mold 2 into two front and rear chambers, namely the annular cavity 17 and the mold cavity 8. A plurality of electric push rods 9 are arranged in the annular cavity 17, and the output ends of the plurality of electric push rods 9 are fixedly connected with the push plate 7. The mold cavity 8 is cylindrical, and the mold cavity 8 is provided with a feeding port for feeding and discharging materials. A hydraulic cylinder 10 is fixedly arranged on the rear side of the second fixed plate 3, and the piston rod of the hydraulic cylinder 10 passes through the second fixed plate 3 and extends forward. A cylindrical extrusion head 11 is fixedly installed at the end of the piston rod of the hydraulic cylinder 10, and the shape of the extrusion head 11 matches the mold cavity 8.
[0025] In addition, the mold 2 is provided with a threading hole 12 for threading the electric push rod 9. The contact surface between the push plate 7 and the mold 2 is set to a stepped shape, which can provide a certain support and stabilization effect for the push plate 7.
[0026] In addition, the demolding device of the aluminum profile extrusion die is also provided with a clamping assembly 13, which includes two clamping cylinders 14 opposite to each other up and down, and the clamping cylinders 14 are fixed on the connecting rod 4 and correspond to the position of the feeding port of the die cavity 8. The piston rod of the clamping cylinder 14 is fixedly connected with a clamping plate 15. After the electric push rod 9 drives the push plate 7 to push the aluminum billet 16 remaining in the die cavity 8 out of the die 2, if the aluminum billet 16 is stuck on the push plate 7 and cannot be removed at this time, the clamping assembly 13 can be used to clamp the aluminum billet 16, and then the electric push rod 9 is controlled to retract the output end, retract the push plate 7, and separate the aluminum billet 16 and the push plate 7.
[0027] The working principle of the utility model is that when in use, the aluminum billet 16 is placed in the mold cavity 8, the hydraulic cylinder 10 is controlled to stretch the piston rod, and the extrusion head 11 is driven to approach the mold 2, and then the aluminum billet 16 in the mold cavity 8 is extruded, so that the front end of the aluminum billet 16 flows out from the mold hole 6; when extruding to the last part of the aluminum billet 16, if part of the aluminum billet 16 is blocked in the mold hole 6, the electric push rod 9 can be controlled to stretch the output end, and the push plate 7 can be driven to push the aluminum billet 16 outward. If the aluminum billet 16 is stuck on the push plate 7 and cannot be removed, the clamping cylinder 14 can be controlled to stretch the piston rod, and the clamping plate 15 can be driven to clamp the aluminum billet 16, and then the electric push rod 9 can be controlled to contract the output end to separate the aluminum billet 16 and the push plate 7.
[0028] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A demoulding device for an aluminum profile extrusion die, comprising a first fixing plate, a die and a second fixing plate arranged in sequence, characterized in that: A plurality of connecting rods are fixedly connected between the first fixed plate and the second fixed plate, the first fixed plate is provided with a through hole, the mold is fixedly connected to the rear side of the first fixed plate, a mold hole is arranged at the front end of the mold, and the mold hole corresponds to the feeding port of the first fixed plate, a push plate is arranged on the outside of the rear end of the mold hole, the push plate is provided with a center hole, and the inner wall of the center hole is matched with the outer wall of the mold hole, the push plate divides the interior of the mold into two front and rear chambers, namely an annular cavity and a mold cavity, a plurality of electric push rods are arranged in the annular cavity, and the output ends of the plurality of electric push rods are fixedly connected to the push plate, the mold cavity is cylindrical, and the mold cavity is provided with a feeding port for feeding and discharging materials, a hydraulic cylinder is fixedly arranged on the rear side of the second fixed plate, the piston rod of the hydraulic cylinder passes through the second fixed plate and extends forward, a cylindrical extrusion head is fixedly installed at the end of the piston rod of the hydraulic cylinder, and the shape of the extrusion head matches the mold cavity.
2. The demoulding device for aluminum profile extrusion die according to claim 1, characterized in that: The area of the through hole of the first fixing plate is larger than the area of the mold hole of the mold.
3. The demoulding device for aluminum profile extrusion die according to claim 1, characterized in that: The mold is provided with a threading hole for threading the electric push rod.
4. The demoulding device for aluminum profile extrusion die according to claim 1, characterized in that: The contact surface between the push plate and the mold is set to be stepped.
5. The demoulding device for aluminum profile extrusion die according to claim 1, characterized in that: A clamping assembly is also provided, which includes two clamping cylinders facing each other up and down, which are fixed on a connecting rod and correspond to the position of the material passing port of the mold cavity, and the piston rod of the clamping cylinder is fixedly connected with a clamping plate.
