A composite material strong constraint injection molding device

Abstract

The present invention discloses a composite material strong constraint injection molding device for processing rod-shaped products, comprising a first end plate, a second end plate, a first side template, and a second side template forming a mold cavity; the outer side surface of the first side template close to the first end plate is a first conical surface, and the outer side surface of the second side template close to the second end plate is a second conical surface, and the outer diameters of the first conical surface and the second conical surface gradually decrease from the end close to the first end plate to the end away from the first end plate; a first half clasp is provided on the outer side of the first side template, and a second half clasp is provided on the outer side of the second side template, and a first elastic component is provided between the first half clasp and the second half clasp; and further comprising a driving member, which drives the first half clasp and the second half clasp to move toward or away from the first end plate to achieve dynamic tightening of the first side template and the second side template. The present invention has a simple structure and can achieve strong constraints on the first side template and the second side template.

Description

Technical Field

[0001] The invention relates to the technical field of composite material molding equipment, in particular to a composite material strong-constraint glue injection molding device. Background Art

[0002] Existing injection molding equipment applies an extrusion force to the upper or lower mold through a cylinder or hydraulic cylinder after mold closing to extrude the product, but it only extrudes one side of the product, and for cylindrical products, the force applied by the hydraulic cylinder along the radial or axial direction of the product affects the molding of the product to a certain extent.

[0003] After searching, a Chinese patent with authorization announcement number CN108807651B and name "Molding device for LED substrate and packaging method thereof" discloses a method of achieving qualitative extrusion of the product in different directions through a first top block and a second top block to enhance the filling completeness of the colloid in the cavity. The shortcoming of this patent is that for a segmented cavity, when this patent extrudes the cavity through the first top block and the second top block, other positions of the cavity remain unchanged and other positions of the cavity cannot be extruded. Summary of the Invention

[0004] In order to solve the technical problems existing in the background technology, the present invention proposes a composite material strong-constraint injection molding device.

[0005] The present invention proposes a composite material strong constraint injection molding device for processing rod-shaped products, comprising a first end plate, a second end plate, a first side template and a second side template, wherein the first side template and the second side template are opposite to each other and the first end plate and the second end plate are opposite to each other and form a cylindrical cavity;

[0006] The outer side surface of the first side template close to the first end plate is a first tapered surface, and the outer side surface of the second side template close to the second end plate is a second tapered surface, and the outer diameters of the first tapered surface and the second tapered surface gradually decrease from the end close to the first end plate to the end away from the first end plate;

[0007] A first half clasp is provided on the outer side of the first side template, and a second half clasp is provided on the outer side of the second side template. The inner side surface of the first half clasp abuts against the first conical surface, and the inner side surface of the second half clasp abuts against the second conical surface. A first elastic component is provided between the first half clasp and the second half clasp.

[0008] It also includes a driving member, which drives the first half of the retaining ring and the second half of the retaining ring to move closer to the first end plate or away from the first end plate. When the driving member drives the first half of the retaining ring and the second half of the retaining ring to move closer to the first end plate, the first elastic component is stretched to achieve dynamic tightening of the first side template and the second side template.

[0009] As a further optimized solution of the present invention, the first elastic component includes an outer elastic part and an inner elastic part installed between the first half retaining ring and the second half retaining ring, and the outer elastic part is away from the axis of the first side template relative to the inner elastic part.

[0010] As a further optimized solution of the present invention, when the distance between the first half clamping ring and the second half clamping ring and the first end plate is the largest, the inner elastic part is in a compressed state and the outer elastic part is in its original length or stretched; when the distance between the first half clamping ring and the second half clamping ring and the second end plate is the largest, both the outer elastic part and the inner elastic part are in a stretched state.

[0011] As a further optimized solution of the present invention, the end face of the first half retaining ring or the second half retaining ring is provided with a guide member, the outer surface of the guide member is an arc surface for limiting the deformation direction of the elastic component, and the axis of the arc surface coincides with the axis of the first side template.

[0012] As a further optimized solution of the present invention, the first side template also includes a first middle cylindrical surface, the second side panel includes a second middle cylindrical surface, the first middle cylindrical surface and the second middle cylindrical surface are opposite to each other, and the radii of the first middle cylindrical surface and the second middle cylindrical surface are smaller than the outer diameters of the first conical surface and the second conical surface.

[0013] As a further optimized solution of the present invention, the outer side surface of the first side template close to the second end plate is a third tapered surface, and the outer diameter of the third tapered surface gradually decreases from an end close to the second end plate to an end away from the second end plate;

[0014] A third half clasp is provided on the outer side of the first side template, and the inner side surface of the third half clasp is in contact with the third conical surface;

[0015] The driving member includes a component for driving the first half clasp ring and the third half clasp ring to move closer to or away from each other.

[0016] As a further optimized solution of the present invention, the outer side surface of the second side template close to the second end plate is a fourth tapered surface, and the outer diameter of the fourth tapered surface gradually decreases from an end close to the second end plate to an end away from the second end plate;

[0017] A fourth half-circle is provided on the outer side of the first side template, and the inner side surface of the fourth half-circle is in contact with the fourth conical surface;

[0018] The driving member includes a component for driving the second half clasp ring and the fourth half clasp ring to move closer to or away from each other.

[0019] As a further optimized solution of the present invention, a second elastic component is provided between the third half of the snap ring and the fourth half of the snap ring.

[0020] As a further optimized solution of the present invention, a glue injection port is provided on the second end plate.

[0021] As a further optimized solution of the present invention, heating elements are provided on the first side formwork and the second side formwork.

[0022] In the present invention, the proposed composite material strong constraint injection molding device has a simple structure. Through the setting of the first conical surface and the second conical surface, after the mold is closed, the first half clamping ring and the second half clamping ring are driven to move toward the first end plate, thereby applying pressure to the first side template and the second side template, thereby achieving dynamic extrusion of the first side template and the second side template, achieving strong constraint on the first side template and the second side template, avoiding relative movement of the first side template and the second side template due to high temperature, and ensuring the yield.

[0023] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 Schematic diagram of the structure of the first half of the clasp and the second half of the clasp in the present invention;

[0026] In the figure: 1. First end plate; 2. Second end plate; 3. First side template; 30. First conical surface; 31. First middle cylindrical surface; 32. Third conical surface; 4. Second side template; 40. Second conical surface; 41. Second middle cylindrical surface; 42. Fourth conical surface; 5. First half retaining ring; 6. Second half retaining ring; 7. Guide member; 8. Third half retaining ring; 9. First bidirectional screw slider mechanism; 10. Fourth half retaining ring; 11. Second bidirectional screw slider mechanism; 12. First elastic component; 120. External elastic member; 121. Internal elastic member; 13. Second elastic component. DETAILED DESCRIPTION

[0027] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention, and are not to be construed as limiting the present invention.

[0028] like Figure 1-Figure 2The composite material strong constraint injection molding device shown is used for processing rod-shaped products, including a first end plate 1, a second end plate 2, a first side template 3, and a second side template 4. The first side template 3 and the second side template 4 are opposite to each other and the first end plate 1 and the second end plate 2 are opposite to each other and form a cylindrical cavity; the second end plate 2 has a glue injection hole, and the first side template 3 and the second side template 4 have heating elements (not shown in the figure). Specifically, the first side template 3 and the second side template 4 are clamped together;

[0029] The outer side surface of the first side formwork 3 close to the first end plate 1 is a first tapered surface 30, and the outer side surface of the second side formwork 4 close to the second end plate 2 is a second tapered surface 40. The included angle between the generatrix of the first tapered surface 30 and the axis and the included angle between the generatrix of the second tapered surface 40 and the axis are both greater than 80° and less than 90°. The outer diameters of the first tapered surface 30 and the second tapered surface 40 gradually decrease from the end close to the first end plate 1 to the end away from the first end plate 1.

[0030] A first half snap ring 5 is provided on the outer side of the first side template 3, and a second half snap ring 6 is provided on the outer side of the second side template 4. The inner side surface of the first half snap ring 5 is a conical surface and is in surface contact with the first conical surface 30. The inner side surface of the first half snap ring 5 conflicts with the first conical surface 30. The inner side surface of the second half snap ring 6 is a conical surface and is in surface contact with the second conical surface 40. Specifically, the inner side surface of the second half snap ring conflicts with the second conical surface 40. A first elastic component 12 is provided between the first half snap ring 5 and the second half snap ring 6.

[0031] It also includes a driving member, which drives the first half of the retaining ring 5 and the second half of the retaining ring 6 to move toward the first end plate 1 or away from the first end plate 1. When the driving member drives the first half of the retaining ring 5 and the second half of the retaining ring 6 to move toward the first end plate 1, the first elastic component 12 is stretched to achieve dynamic tightening of the first side template 3 and the second side template 4.

[0032] The first half of the clamping ring 5 and the second half of the clamping ring 6 are opposite to each other, and the driving member drives the first half of the clamping ring 5 and the second half of the clamping ring 6 to move simultaneously towards or away from the first end plate 1, thereby achieving clamping of the first side template 3 and the second side template 4, avoiding relative movement of the first side template 3 and the second side template 4 during the molding process, thereby affecting the finished product rate to a certain extent. The first half of the clamping ring 5 and the second half of the clamping ring 6 are constrained to each other in the process of moving towards the first end plate 1 through the setting of the first elastic component 12, thereby increasing the strong constraint on the first side template 3 and the second side template 4 to a certain extent.

[0033] Preferably, the first elastic component 12 includes an outer elastic part 120 and an inner elastic part 121 installed between the first half retaining ring 5 and the second half retaining ring 6, the outer elastic part 120 is away from the axis of the first side template 3 relative to the inner elastic part 121, and the inner elastic part 121 and the outer elastic part 120 are both springs.

[0034] In order to ensure the constraint effect on the first side template 3 and the second side template 4 during the movement of the first half of the clamping ring 5 and the second half of the clamping ring 6, preferably, when the distance between the first half of the clamping ring 5 and the second half of the clamping ring 6 and the first end plate 1 is the largest, the inner elastic part 121 is in a compressed state and the outer elastic part 120 is in its original length or elongated; when the distance between the first half of the clamping ring 5 and the second half of the clamping ring 6 and the second end plate 2 is the largest, both the outer elastic part 120 and the inner elastic part 121 are in an elongated state.

[0035] Preferably, the end face of the first half retaining ring 5 or the second half retaining ring 6 is provided with a guide member 7, the outer side surface of the guide member 7 is an arc surface for limiting the deformation direction of the elastic component, the axis of the arc surface coincides with the axis of the first side template 3, the guide member 7 is an arc-shaped guide column, and when the first elastic member and the second elastic member are springs, the springs are arranged outside the wire member.

[0036] Preferably, the first side formwork 3 further includes a first central cylindrical surface 31, and the second side panel includes a second central cylindrical surface 41. The first central cylindrical surface 31 and the second central cylindrical surface 41 are opposite each other, and the radii of the first central cylindrical surface and the second central cylindrical surface 41 are smaller than the outer diameters of the first conical surface 30 and the second conical surface 40. When injecting glue or unloading, the first half clasp 5 and the second half clasp 6 are opposite the first central cylindrical surface 31 and the second central cylindrical surface 41, facilitating relative movement of the first side formwork 3 and the second side formwork 4. The first end plate 1 and the second end plate 2 are then removed, and the product is removed from the openings of the first side formwork 3 and the second side formwork 4 under the action of an external force.

[0037] Preferably, the outer side surface of the first side template 3 close to the second end plate 2 is a third tapered surface 32, and the outer diameter of the third tapered surface 32 gradually decreases from the end close to the second end plate 2 to the end away from the second end plate 2;

[0038] A third half snap ring 8 is provided on the outer side of the first side template 3 , and the inner side surface of the third half snap ring 8 abuts against the third tapered surface 32 ;

[0039] The driving member includes a component that drives the first half of the retaining ring 5 and the third half of the retaining ring 8 to move closer to or away from each other. The driving member includes a first bidirectional screw slider mechanism 9. One slider of the first bidirectional screw slider mechanism 9 is detachably connected to the first half of the retaining ring 5, and the other slider of the first bidirectional screw slider mechanism 9 is detachably connected to the third half of the retaining ring 8.

[0040] The strong constraint on the first side formwork 3 and the second side formwork 4 is further increased.

[0041] Preferably, the outer side surface of the second side template 4 close to the second end plate 2 is a fourth tapered surface 42, and the outer diameter of the fourth tapered surface 42 gradually decreases from the end close to the second end plate 2 to the end away from the second end plate 2;

[0042] A fourth half-circle 10 is provided on the outer side of the first side template 3 , and the inner side surface of the fourth half-circle 10 abuts against the fourth tapered surface 42 ;

[0043] The driving member includes a component for driving the second half clasp 6 and the fourth half clasp 10 to move closer to or away from each other, further increasing the strong constraint on the first side template 3 and the second side template 4;

[0044] Specifically, the driving member includes a second bidirectional screw slider mechanism 11, one slider of the second bidirectional screw slider mechanism 11 is detachably connected to the second half of the retaining ring 6, and the other slider of the second bidirectional screw slider mechanism 11 is detachably connected to the fourth half of the retaining ring 10. During the operation of the second bidirectional screw slider mechanism 11, the second half of the retaining ring 6 and the fourth half of the retaining ring 10 are driven to move closer to or away from each other.

[0045] Preferably, a second elastic component 13 is provided between the third half of the snap ring 8 and the fourth half of the snap ring 10. It should be noted that the second elastic component 13 between the third half of the snap ring 8 and the fourth half of the snap ring 10 has the same structure as the first elastic component 12 between the first half of the snap ring 5 and the second half of the snap ring 6, and will not be repeated here.

[0046] In the present invention, the proposed composite material strong constraint injection molding device, during the processing process, brings the first side template 3 and the second side template 4 close to each other and fixes them by clamping, then installs the second end plate 2, and then injects glue into the injection port of the second end plate 2. During the injection process, the first end plate 1 is covered, and then the first half clamping ring 5 and the second half clamping ring 6 are driven from the first middle cylindrical surface 31 and the second middle cylindrical surface 41 to the first end plate 1 by the first bidirectional screw slider mechanism 9, and the third half clamping ring 8 and the fourth half clamping ring 10 are driven from the first middle cylindrical surface 31 and the second middle cylindrical surface 41 to the second end plate 2 by the second bidirectional screw slider mechanism 11, thereby realizing dynamic extrusion of the first side template 3 and the second side template 4, realizing strong constraint of the first side template 3 and the second side template 4, avoiding relative movement of the first side template 3 and the second side template 4 due to high temperature, and ensuring the yield rate.

[0047] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0049] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0050] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0051] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A composite material strong constraint injection molding device for processing rod-shaped products, characterized in that: It comprises a first end plate (1), a second end plate (2), a first side template (3) and a second side template (4) for forming a cylindrical cavity, wherein the first side template (3) and the second side template (4) are opposite to each other and the first end plate (1) and the second end plate (2) are opposite to each other; The outer side surface of the first side template (3) close to the first end plate (1) is a first conical surface (30), and the outer side surface of the second side template (4) close to the second end plate (2) is a second conical surface (40), and the outer diameters of the first conical surface (30) and the second conical surface (40) gradually decrease from an end close to the first end plate (1) to an end away from the first end plate (1); A first half-circle (5) is provided on the outer side of the first side template (3), and a second half-circle (6) is provided on the outer side of the second side template (4); the inner side surface of the first half-circle (5) abuts against the first conical surface (30), and the inner side surface of the second half-circle (6) abuts against the second conical surface (40); and a first elastic component (12) is provided between the first half-circle (5) and the second half-circle (6); The invention also includes a driving member, wherein the driving member drives the first half-circle (5) and the second half-circle (6) to move toward or away from the first end plate (1); when the driving member drives the first half-circle (5) and the second half-circle (6) to move toward the first end plate (1), the first elastic component (12) is stretched to achieve dynamic tightening of the first side template (3) and the second side template (4).

2. The composite material strong constraint injection molding device according to claim 1 is characterized in that: The first elastic component (12) comprises an outer elastic member (120) and an inner elastic member (121) installed between the first half snap ring (5) and the second half snap ring (6), wherein the outer elastic member (120) is away from the axis of the first side template (3) relative to the inner elastic member (121).

3. The composite material strong constraint injection molding device according to claim 2, characterized in that: When the distance between the first half clasp (5) and the second half clasp (6) and the first end plate (1) is the largest, the inner elastic member (121) is in a compressed state, and the outer elastic member (120) is in its original length or stretched; when the distance between the first half clasp (5) and the second half clasp (6) and the second end plate (2) is the largest, both the outer elastic member (120) and the inner elastic member (121) are in a stretched state.

4. The composite material strong constraint injection molding device according to claim 1, characterized in that: The end face of the first half retaining ring (5) or the second half retaining ring (6) is provided with a guide member (7), the outer side surface of the guide member (7) is an arc surface for limiting the deformation direction of the first elastic component, and the axis of the arc surface coincides with the axis of the first side template (3).

5. The composite material strong constraint injection molding device according to any one of claims 1 to 4, characterized in that: The first side template (3) further includes a first middle cylindrical surface (31), and the second side template (4) includes a second middle cylindrical surface (41). The first middle cylindrical surface (31) and the second middle cylindrical surface (41) are opposite to each other, and the radii of the first middle cylindrical surface (31) and the second middle cylindrical surface (41) are smaller than the outer diameters of the first conical surface (30) and the second conical surface (40).

6. The composite material strong constraint injection molding device according to claim 5, characterized in that: The outer side surface of the first side template (3) close to the second end plate (2) is a third conical surface (32), and the outer diameter of the third conical surface (32) gradually decreases from an end close to the second end plate (2) to an end away from the second end plate (2); A third half-circle (8) is provided on the outer side of the first side template (3), and the inner side surface of the third half-circle (8) is in contact with the third conical surface (32); The driving member comprises a component for driving the first half clasp ring (5) and the third half clasp ring (8) to move closer to or farther away from each other.

7. The composite material strong constraint injection molding device according to claim 6, characterized in that: The outer side surface of the second side template (4) close to the second end plate (2) is a fourth conical surface (42), and the outer diameter of the fourth conical surface (42) gradually decreases from the end close to the second end plate (2) to the end away from the second end plate (2); A fourth half-circle (10) is provided on the outer side of the first side template (3), and the inner side surface of the fourth half-circle (10) is in contact with the fourth conical surface (42); The driving member comprises a component for driving the second half clasp ring (6) and the fourth half clasp ring (10) to move closer to or farther away from each other.

8. The composite material strong constraint injection molding device according to claim 7, characterized in that: A second elastic component (13) is provided between the third half clasp (8) and the fourth half clasp (10).

9. The composite material strong constraint injection molding device according to claim 1, characterized in that: The second end plate (2) is provided with a glue injection port.

10. The composite material strong constraint injection molding device according to claim 1, characterized in that: The first side template (3) and the second side template (4) are provided with heating elements.

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