Continuous extrusion forming unit, die and device

Abstract

The utility model relates to the technical field of extrusion forming, in particular to a continuous extrusion forming unit, a die and a device. The continuous extrusion forming unit comprises a shaping piece and a flow control piece; the shaping piece is provided with a shaping hole; the inner wall of one side of the shaping hole is provided with a shaping protrusion protruding towards the other opposite side of the shaping hole. The flow control piece is provided with a flow control hole and a flow promoting groove, and the flow control hole is communicated with the flow promoting groove; the flow control hole is communicated with the shaping hole, and the projection of the shaping hole in the first direction is located in the contour of the flow control hole; the flow promoting grooves are recessed in the direction opposite to the protruding direction of the shaping protrusions. The continuous extrusion forming unit can form a product with a groove.

Description

Technical Field

[0001] This utility model relates to the field of extrusion molding technology, and more specifically, to a continuous extrusion molding unit, mold and device. Background Technology

[0002] Continuous extrusion forming is an advanced raw material forming technology. Its principle is to utilize the friction between the deformed metal and the tool, through an annular channel formed by a rectangular groove on a rotating extrusion roller and a fixed die, to achieve continuous extrusion. This method does not require external heating because the heat generated by friction is sufficient to raise the metal to the temperature required for extrusion.

[0003] However, existing technologies cannot form products with grooves. Utility Model Content

[0004] The purpose of this invention is to provide a continuous extrusion forming unit, mold, and apparatus capable of forming products with grooves.

[0005] The embodiments of this utility model can be implemented as follows:

[0006] In a first aspect, this utility model provides a continuous extrusion forming unit, comprising:

[0007] A shaping component, the shaping component having a shaping hole; a shaping protrusion protruding from one inner wall of the shaping hole toward the opposite side; and

[0008] A flow control component, which is provided with a flow control hole and a flow promotion groove, wherein the flow control hole and the flow promotion groove are connected;

[0009] The flow control hole and the shaping hole are connected, and the projection of the shaping hole in the first direction is located within the outline of the flow control hole; the flow-promoting groove is recessed in the opposite direction to the protrusion direction of the shaping protrusion.

[0010] In an optional embodiment, the shaping member further includes a first guide portion and a shaping portion arranged sequentially along a first direction. The area of ​​the first guide portion gradually decreases along the first direction and in the second direction, and is used to guide the material to move to the shaping portion; wherein the first direction and the second direction are perpendicular.

[0011] In an optional embodiment, there are multiple shaping protrusions, which are spaced apart along a third direction; wherein the first direction is perpendicular to the third direction.

[0012] In an optional embodiment, the flow control element is further provided with a flow-blocking protrusion that protrudes toward the centerline of the flow control hole, and the protrusion direction of the flow-blocking protrusion is the same as the concave direction of the flow-promoting groove.

[0013] In an optional embodiment, the inner wall of the flow control hole is further provided with a flow-promoting slope, which is used to guide the material to move to the shaping hole.

[0014] In an optional embodiment, the extrusion forming unit further includes a forming member, which is provided with a forming hole, and a forming protrusion protruding toward the opposite side of the inner wall of one side of the forming hole.

[0015] The forming hole, the shaping hole, and the flow control hole are connected; the projection of the shaping hole in the first direction is located within the outline of the forming hole; the projection of the forming hole in the first direction is located within the outline of the flow control hole; the protrusion direction of the forming protrusion is the same as the protrusion direction of the shaping protrusion.

[0016] In an optional embodiment, the forming part includes a second guide portion and a forming portion arranged sequentially along a first direction. The area of ​​the second guide portion gradually decreases along the first direction and in the second direction, and is used to guide the material to move to the forming portion; wherein the first direction and the second direction are perpendicular.

[0017] In an optional embodiment, the continuous extrusion forming unit further includes a protective member having a protective hole; the shaping member is housed within the protective hole.

[0018] Secondly, this utility model provides a continuous extrusion forming die, including a feeding unit, a discharging unit, and the aforementioned continuous extrusion forming unit;

[0019] The feeding unit is provided with a feeding channel; the discharging unit is provided with a discharging channel; one or both of the feeding unit and the discharging unit have a receiving cavity; the feeding unit and the discharging unit are detachably connected;

[0020] The forming unit is located within the receiving cavity and is detachably connected to the feeding unit and the discharging unit;

[0021] When the feeding unit, discharging unit, and forming unit are in the mold-closed state, the feeding channel, flow control hole, shaping hole, and discharging channel are connected in sequence.

[0022] Thirdly, this utility model provides a continuous extrusion forming device, including an extrusion roller and the aforementioned continuous extrusion forming die, wherein the extrusion roller and the feeding unit are movably coupled.

[0023] The beneficial effects of the continuous extrusion forming unit, continuous extrusion forming die, and continuous extrusion forming apparatus provided in this embodiment of the invention include:

[0024] The continuous extrusion forming unit includes a shaping component and a flow control component; the shaping component is provided with a shaping hole; a shaping protrusion protruding to the opposite side is provided on the inner wall of one side of the shaping hole; the flow control component is provided with a flow control hole and a flow-promoting groove, the flow control hole and the flow-promoting groove are connected; the flow control hole and the shaping hole are connected, and the projection of the shaping hole in a first direction is located within the outline of the flow control hole; the flow-promoting groove is recessed in the direction opposite to the protrusion direction of the shaping protrusion.

[0025] This continuous extrusion forming unit uses shaping protrusions to compress the material during the forming process, creating grooves and producing products with grooves. Furthermore, by incorporating flow-promoting grooves, the unit ensures that the material flows through the shaping holes at the same speed at all locations during production, thereby improving product quality. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is an exploded view of the continuous extrusion molding die provided in this embodiment;

[0028] Figure 2 This is a cross-sectional view of the continuous extrusion die provided in this embodiment;

[0029] Figure 3 This is a cross-sectional view of the feeding unit and the discharging unit provided in this embodiment;

[0030] Figure 4 This is a schematic diagram of the structure of the shaping component provided in this embodiment;

[0031] Figure 5 This is a schematic diagram of the flow control device provided in this embodiment;

[0032] Figure 6 This is a schematic diagram of the structure of the molded part provided in this embodiment;

[0033] Figure 7 This is a schematic diagram of the protective component provided in this embodiment.

[0034] Icons: 100-Continuous extrusion forming unit; 110-Shaping part; 111-Shaping hole; 112-Shaping protrusion; 113-First guide part; 114-Shaping part; 120-Flow control part; 121-Flow control hole; 122-Flow promoting groove; 123-Flow blocking protrusion; 124-Flow promoting slope; 130-Forming part; 131-Forming hole; 132-Forming protrusion; 133-Second guide part; 134-Forming part; 140-Protective part; 141-Protective hole; 142-Limiting part; 200-Continuous extrusion forming die; 210-Feeding unit; 211-Feeding channel; 220-Discharge unit; 221-Discharge channel; 101-Receiving cavity; 300-Material. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0037] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0038] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0039] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0040] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0041] Please refer to Figures 1-5 , Figure 1 This is an exploded view of the continuous extrusion molding die 200 provided in this embodiment; Figure 2 This is a cross-sectional view of the continuous extrusion die 200 provided in this embodiment; Figure 3 This is a cross-sectional view of the feeding unit 210 and the discharging unit 220 provided in this embodiment; Figure 4 This is a schematic diagram of the structure of the shaping component 110 provided in this embodiment; Figure 5 This is a schematic diagram of the flow control device 120 provided in this embodiment.

[0042] In the diagram, the X direction is the first direction, the Y direction is the second direction, and the Z direction is the third direction. The first direction, the second direction, and the third direction are all perpendicular to each other.

[0043] The continuous extrusion forming apparatus provided by this utility model includes an extrusion roller and a continuous extrusion forming die 200, which are movably coupled. In this embodiment, the continuous extrusion forming die 200 includes a feeding unit 210, a discharging unit 220, and a continuous extrusion forming unit 100. The feeding unit 210 is provided with a feeding channel 211; the discharging unit 220 is provided with a discharging channel 221; one or both of the feeding unit 210 and the discharging unit 220 have a receiving cavity 101; the feeding unit 210 and the discharging unit 220 are detachably connected; the continuous extrusion forming unit 100 is located within the receiving cavity 101 and is detachably connected to the feeding unit 210 and the discharging unit 220.

[0044] In this embodiment, by placing the forming unit in the receiving cavity 101 and detachably connecting the feeding unit 210 and the discharging unit 220, if the feeding unit 210, the continuous extrusion forming unit 100, or the discharging unit 220 is worn, the corresponding structure can be replaced, thereby avoiding the need to replace the entire continuous extrusion forming die 200, thus improving maintenance efficiency and reducing costs.

[0045] Specifically, the continuous extrusion forming unit 100 in this embodiment includes a shaping member 110 and a flow control member 120; the shaping member 110 is provided with a shaping hole 111; one side of the inner wall of the shaping hole 111 is provided with a shaping protrusion 112 protruding toward the opposite side; the flow control member 120 is provided with a flow control hole 121 and a flow promoting groove 122, the flow control hole 121 and the flow promoting groove 122 are connected; the flow control hole 121 and the shaping hole 111 are connected, and the projection of the shaping hole 111 in the first direction is located within the outline of the flow control hole 121; the flow promoting groove 122 is recessed in the direction opposite to the protrusion direction of the shaping protrusion 112.

[0046] Understandably, the material 300 enters the feed channel 211 under the extrusion action of the extrusion rollers and continues to move along the axial direction of the feed channel 211. In this embodiment, the axial direction of the feed channel 211 is parallel to the first direction; therefore, after entering the feed channel 211, the material 300 will continue to move along the first direction.

[0047] When the feeding unit 210, the discharging unit 220 and the forming unit are in the mold closing state, the feeding channel 211, the flow control hole 121, the shaping hole 111 and the discharging channel 221 are connected in sequence, and the axis of the feeding channel 211, the center line of the flow control hole 121, the center line of the shaping hole 111 and the axis of the discharging channel 221 coincide; thereby enabling the material 300 to move from the feeding channel 211 to the flow control hole 121, the shaping hole 111 and the discharging channel 221 in sequence under the extrusion action of the extrusion roller and the continuous extrusion forming die 200.

[0048] When the material 300 moves to the flow control hole 121, the flow control hole 121 adjusts the flow speed of the material 300 at different positions. Then, after the material 300 flows to the shaping hole 111, the shaping protrusion 112 set on the inner wall of the shaping hole 111 forms a product with a groove. The shaped product flows out through the discharge channel 221.

[0049] It should be noted that the cross-section of the shaping hole 111 in the second direction in this embodiment is square. Therefore, the product formed by the continuous extrusion molding die 200 is a plate-shaped structure with grooves.

[0050] Understandably, since forming a groove in the material 300 is more difficult than forming a planar structure, the flow control element 120 is provided with a flow-promoting groove 122 to allow more material 300 to pass through. In this embodiment, the concave direction of the flow-promoting groove 122 is the same as the convex direction of the shaping protrusion 112. In addition, the shaping hole 111 is square, which leads to the conclusion that the flow-promoting groove 122 and the shaping protrusion 112 are located on the same side. This allows more material 300 to pass through the shaping protrusion 112, thereby ensuring high product accuracy and good product quality.

[0051] The projection of the shaping hole 111 in the first direction is located within the outline of the flow control hole 121. It can be understood that the cross-sectional area of ​​the shaping hole 111 in the second direction is smaller than the cross-sectional area of ​​the flow control hole 121 in the second direction. As a result, the forming hole 131 can be filled by the material 300 without any gaps, so as to ensure the quality of the product.

[0052] Further, please refer to Figures 1-5The shaping component 110 includes a first guide portion 113 and a shaping portion 114 arranged sequentially along a first direction. The area of ​​the first guide portion 113 gradually decreases along the first direction and the second direction. The first guide portion 113 is used to guide the material 300 to move to the shaping portion 114.

[0053] Understandably, the first guide portion 113 is located near the flow control hole 121, while the shaping portion 114 is located near the discharge channel 221. In this embodiment, the first guide portion 113 is provided to guide the material 300 from the flow control hole 121 to the shaping portion 114, preventing the material 300 from flowing in other directions and improving the utilization rate of the material 300.

[0054] The shaping section 114 has a certain length along the first direction to increase the time that the material 300 flows through the shaping section 114, thereby ensuring that the material can be shaped into the required product shape and improving the quality of the product.

[0055] Based on the above, there are multiple shaping protrusions 112, which are spaced apart along a third direction. In this embodiment, three shaping protrusions 112 are spaced apart along a third direction, so that the product has three spaced grooves, and the multiple shaping protrusions 112 are located on the same side of the square shaping hole 111, so that the multiple grooves of the product are located on the same side.

[0056] Further, please refer to Figures 1-5 The flow control element 120 is also provided with a flow-blocking protrusion 123, which protrudes toward the center line of the flow control hole 121, and the protrusion direction of the flow-blocking protrusion 123 is the same as the concave direction of the flow-promoting groove 122.

[0057] Understandably, the shaping protrusion 112 is positioned on the same side of the shaping hole 111 to create a groove in the formed product. The side of the product with the groove is more difficult to form than the flat side. Therefore, it is necessary to adjust the flow rate of the material 300. The promoting groove is set to promote the flow of the material 300 through the shaping protrusion 112, and the flow-blocking protrusion 123 is set to slow down the flow rate of the material 300 through the inner wall of the shaping hole 111 opposite to the shaping protrusion 112, so that the forming speed of the side of the product with the groove is the same as that of the flat side, thereby improving the quality of the product.

[0058] The protruding direction of the flow-blocking protrusion 123 is the same as the concave direction of the flow-promoting groove 122, that is, the protruding direction of the flow-blocking protrusion 123 is opposite to the protruding direction of the shaping protrusion 112. It can be deduced that the flow-blocking protrusion 123 and the flow-promoting groove 122 are arranged opposite to each other.

[0059] Based on the above, it should be noted that the velocity of material 300 flowing through the middle of the flow control hole 121 is greater than the velocity of material 300 flowing through the end of the flow control hole 121. Therefore, the inner wall of the flow control hole 121 is also provided with a flow-promoting slope 124. The flow-promoting slope 124 is used to guide material 300 to move to the shaping hole 111. Furthermore, the thickness of the flow-promoting slope 124 gradually decreases along the first direction, thereby reducing the obstruction effect on material 300 and promoting the flow of material 300. Since the flow-blocking protrusion 123 is used to slow down the flow speed of material 300, no slope structure is provided at the flow-blocking protrusion 123.

[0060] Further, please refer to Figures 1-6 , Figure 6 This is a schematic diagram of the structure of the forming part 130 provided in this embodiment. The extrusion forming unit also includes the forming part 130, which is provided with a forming hole 131. A forming protrusion 132 protruding toward the opposite side is provided on the inner wall of one side of the forming hole 131. The forming hole 131, the shaping hole 111, and the flow control hole 121 are connected. The projection of the shaping hole 111 in the first direction is located within the outline of the forming hole 131. The projection of the forming hole 131 in the first direction is located within the outline of the flow control hole 121. The protrusion direction of the forming protrusion 132 is the same as the protrusion direction of the shaping protrusion 112.

[0061] Specifically, in this embodiment, a forming member 130 is provided to assist the material 300 in forming the desired product shape. The forming member 130 is provided with forming protrusions 132 corresponding to the shaping protrusions 112, thereby giving the product a groove; and the forming hole 131 is also square in cross-section in the second direction, so that the formed product is a plate-like structure with grooves.

[0062] Understandably, the centerlines of the forming hole 131, the shaping hole 111, and the flow control element 120 coincide, allowing the material 300 to flow smoothly along the first direction sequentially through the flow control hole 121, the forming hole 131, and the shaping hole 111. The projection of the shaping hole 111 in the first direction lies within the contour of the forming hole 131; the projection of the forming hole 131 in the first direction lies within the contour of the flow control hole 121; this allows the material 300 to fill both the forming hole 131 and the shaping hole 111, thereby improving the utilization rate of the material 300 and the quality of the product.

[0063] According to the above, the molded part 130 includes a second guide portion 133 and a forming portion 134 arranged sequentially along the first direction. The area of ​​the second guide portion 133 gradually decreases along the first direction and the second direction. The second guide portion 133 is used to guide the material 300 to move to the forming portion 134.

[0064] Specifically, in this embodiment, a second guide portion 133 is provided to guide the material 300 from the flow control hole 121 to the shaping portion 114, preventing the material 300 from flowing in other directions and improving the utilization rate of the material 300. The forming portion 134 has a certain length in the first direction to ensure that the material 300 can be formed into the desired product shape, thereby improving the quality of the product.

[0065] Further, please refer to Figures 1-7 , Figure 7 This is a schematic diagram of the structure of the protective member 140 provided in this embodiment. The continuous extrusion forming unit 100 also includes the protective member 140, which is provided with a protective hole 141; the shaping member 110 is housed in the protective hole 141. Specifically, the shaping member 110 is disposed in the protective hole 141 to prevent the shaping member 110 from being worn, thereby extending the service life of the shaping member 110.

[0066] According to the above configuration, the protective member 140 is provided with a limiting part 142, which is disposed in the protective hole 141 and abuts against the shaping member 110. In this embodiment, the limiting part 142 is used to prevent the shaping member 110 from moving along the first direction under the action of the material 300, and to prevent the shaping member 110 from dislodging from the protective hole 141.

[0067] However, the projection of the shaping hole 111 in the first direction is within the outline of the protective hole 141, so that when the product moves to the discharge channel 221, it will not come into contact with the inner wall of the protective hole 141, thus avoiding scratching the product and ensuring the quality of the product.

[0068] In summary, the continuous forming unit in this embodiment includes a shaping component 110 and a flow control component 120. The shaping component 110 is provided with a shaping hole 111. A shaping protrusion 112 protruding towards the opposite side is provided on one side of the inner wall of the shaping hole 111. The flow control component 120 is provided with a flow control hole 121 and a flow-promoting groove 122, and the flow control hole 121 and the flow-promoting groove 122 are connected. The flow control hole 121 and the shaping hole 111 are connected, and the projection of the shaping hole 111 in the first direction is located within the outline of the flow control hole 121. The flow-promoting groove 122 is recessed in a direction opposite to the protrusion direction of the shaping protrusion 112. In this embodiment, by providing the shaping protrusion 112, the material 300 is squeezed by the shaping protrusion 112 during the forming process, thereby forming a groove to produce a product with a groove. Furthermore, the continuous extrusion forming unit 100 improves product quality by providing flow-promoting grooves 122, which ensure that the material 300 flows through the shaping holes 111 at the same speed at various locations during the production process.

[0069] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A continuous extrusion forming unit, characterized by, The continuous extrusion forming unit (100) comprises a shaping member (110) and a flow control member (120). The shaping member (110) is provided with a shaping hole (111), and an inner wall of one side of the shaping hole (111) is provided with a shaping protrusion (112) protruding towards the other side opposite to the one side. The flow control member (120) is provided with a flow control hole (121) and a flow promoting groove (122) in communication with the flow control hole (121). The flow control hole (121) and the shaping hole (111) are in communication, and a projection of the shaping hole (111) in a first direction is located within an outline of the flow control hole (121); the flow promoting groove (122) is recessed towards a direction opposite to a protruding direction of the shaping protrusion (112).

2. A continuous extrusion forming unit according to claim 1, characterised in that, The shaping member (110) further comprises a first guide portion (113) and a shaping portion (114) arranged in sequence along the first direction, an area of the first guide portion (113) in a second direction gradually decreases along the first direction, and the first guide portion (113) is used for guiding the material (300) to move to the shaping portion (114); wherein the first direction and the second direction are perpendicular.

3. A continuous extrusion forming unit according to claim 1, characterized in that, The shaping protrusion (112) is in a plurality, and a plurality of the shaping protrusions (112) are arranged in intervals along a third direction; wherein the first direction and the third direction are perpendicular.

4. The continuous extrusion forming unit of claim 1, wherein, The flow control member (120) is further provided with a flow resistance protrusion (123) protruding towards a center line direction of the flow control hole (121), and a protruding direction of the flow resistance protrusion (123) is the same as a recessing direction of the flow promoting groove.

5. The continuous extrusion forming unit of claim 1, wherein, An inner wall of the flow control hole (121) is further provided with a flow promoting inclined surface (124) used for guiding the material (300) to move to the shaping hole (111).

6. The continuous extrusion forming unit of claim 1, wherein, The extrusion forming unit further comprises a shaping member (130) provided with a shaping hole (131), and an inner wall of one side of the shaping hole (131) is provided with a shaping protrusion (132) protruding towards the other side opposite to the one side. The shaping hole (131), the shaping hole (111) and the flow control hole (121) are in communication; a projection of the shaping hole (111) in the first direction is located within an outline of the shaping hole (131); a projection of the shaping hole (131) in the first direction is located within an outline of the flow control hole (121); and a protruding direction of the shaping protrusion (132) is the same as a protruding direction of the shaping protrusion (112).

7. A continuous extrusion forming unit according to claim 6, characterised in that, The shaping member (130) comprises a second guide portion (133) and a shaping portion (134) arranged in sequence along the first direction, an area of the second guide portion (133) in a second direction gradually decreases along the first direction, and the second guide portion (133) is used for guiding the material (300) to move to the shaping portion (134); wherein the first direction and the second direction are perpendicular.

8. The continuous extrusion forming unit of claim 1, wherein, The continuous extrusion forming unit (100) further comprises a protection member (140) provided with a protection hole (141); and the shaping member (110) is accommodated in the protection hole (141).

9. A continuous extrusion molding die characterized by comprising: The continuous extrusion forming device (200) comprises a feeding unit (210), a discharging unit (220) and a continuous extrusion forming unit (100) as claimed in any one of claims 1-8. The feeding unit (210) is provided with a feeding channel (211), and the discharging unit (220) is provided with a discharging channel (221); one or both of the feeding unit (210) and the discharging unit (220) is provided with a receiving cavity (101); the feeding unit (210) and the discharging unit (220) are detachably connected. The forming unit is located in the receiving cavity (101) and is detachably connected with the feeding unit (210) and the discharging unit (220). When the feeding unit (210), the discharging unit (220) and the forming unit are in a closed mold state, the feeding channel (211), the flow control hole (121), the shaping hole (111) and the discharging channel (221) are sequentially communicated.

10. A continuous extrusion molding apparatus characterized by comprising: The continuous extrusion forming device (200) comprises an extrusion wheel and the continuous extrusion forming device (200) as claimed in claim 9, and the extrusion wheel and the feeding unit (210) are movably connected.

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