Forming die for sunshade profile

Abstract

The utility model relates to the technical field of section bar mould equipment, in particular to a forming mould for sunshade section bars, which comprises an upper mould and a lower mould, a mould core is arranged on the bottom surface of the upper mould, a welding chamber is arranged on the top surface of the lower mould, a mould hole is arranged in the welding chamber, and the mould core is arranged in the mould hole. The mold hole is provided with a first convex block which is matched with the mold core to form the connecting rod mounting groove, and the mold hole is provided with a second convex block which is matched with the mold core to form the tarpaulin limiting groove; a connecting beam is arranged in the welding chamber, the connecting beam comprises a straight rod part and a fan-shaped part which are connected with each other, one end of the straight rod part is located on the top surface of the second convex block, the arc-shaped edge of the fan-shaped part is connected to the side wall of the welding chamber, and the width of the straight rod part is smaller than that of an opening of the tarpaulin limiting groove. The forming die has the advantages of being high in forming precision, stable in die structure and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to profile mould equipment technical field especially relates to a kind of forming mould for sunshade profile. BACKGROUND

[0002] Sunshade profile is mainly used for making the awning cloth support structure of outdoor sunshade canopy, with reference to Figure 1 Two ends of awning cloth are fixed to cylindrical sunshade profile respectively, one sunshade profile is rotated to be used for awning cloth winding, another sunshade profile is connected to telescopic connecting rod, and the spacing of two sunshade profiles is increased when telescopic connecting rod is extended, so as to open awning cloth. Therefore, sunshade profile has the slot of installing telescopic connecting rod and the slot of fixing awning cloth. With reference to Figure 2 The slot of fixing awning cloth is small in opening, and awning cloth is inserted into the slot and fixed by pressing strip, which can prevent awning cloth from being damaged and ensure the firmness of awning cloth installation. Sunshade profile is extruded by aluminum alloy bar, and since the slot of fixing awning cloth is small in opening, the module of awning cloth slot of forming mould and the mould connecting position are narrow, which affects the forming stability of the module, causes the low slot opening forming precision, and makes awning cloth difficult to install. Moreover, the module is prone to crack and other damages in the use process of forming mould, which shortens the service life of mould. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of forming mould for sunshade profile, with the characteristics of high forming precision, stable mould structure and long service life.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A kind of forming mould for sunshade profile, the sunshade profile is cylindrical, the sunshade profile is provided with the connecting rod installation slot and the awning cloth limiting slot in axial direction, the cross section of the connecting rod installation slot is trapezoidal with long side opening, and the cross section of the awning cloth limiting slot is circular with opening, the forming mould includes upper die and lower die, the bottom surface of the upper die is provided with die core, the top surface of the lower die is provided with welding chamber, the welding chamber is provided with die hole, the die hole is provided with first protruding block for cooperating with the die core to form the connecting rod installation slot, and the die hole is provided with second protruding block for cooperating with the die core to form the awning cloth limiting slot.

[0006] The welding chamber is provided with connecting beam, the connecting beam includes straight rod part and fan-shaped part connected, one end of the straight rod part is located at the top surface of the second protruding block, the arc-shaped side of the fan-shaped part is connected to the side wall of the welding chamber, and the width of the straight rod part is less than the opening width of the awning cloth limiting slot.

[0007] Further, the top surface of the fan-shaped part of the connecting beam is provided with radial drainage groove.

[0008] Further, the height of the connecting beam is 2-5mm.

[0009] Further, the position adjacent to the first protrusion of the mold hole is provided with a flow blocking block, and the height of the flow blocking block is 1-3mm.

[0010] Further, the top end of the working surface of the mold core is provided with a flange, and the thickness of the flange is less than the wall thickness of the sunshade profile.

[0011] Further, the top surface of the upper mold is provided with a top abutting convex plane, the top abutting convex plane is a smooth plane, a plurality of shunt holes are arranged in the top abutting plane, and the plurality of shunt holes are uniformly distributed around the mold core.

[0012] Further, the outer edge of the top abutting convex plane is provided with a peeling ring, the peeling ring comprises a peeling tip ring, the peeling tip ring is attached to the edge of the top abutting convex plane, and the peeling tip ring protrudes from the top abutting convex plane by 2-5mm.

[0013] Further, the peeling ring further comprises a positioning ring and a mounting ring, the upper mold is provided with a recess corresponding to the positioning ring, and the upper mold is provided with a recess corresponding to the positioning ring.

[0014] The peeling ring, the upper mold and the lower mold are connected through a connecting rod.

[0015] Further, one end of the connecting rod is fixed to the lower mold, and the upper mold is provided with a through hole for the connecting rod to penetrate;

[0016] The connecting rod is provided with a telescopic rod and a transverse clamping block, the transverse clamping block is slidingly arranged on the connecting rod, the mounting ring is provided with a connecting hole and a limiting through hole in communication, the connecting rod is inserted into the connecting hole, and the recess of the telescopic rod is used to push the transverse clamping block to extend into the limiting through hole.

[0017] The technical scheme provided by the utility model can have the following beneficial effects:

[0018] After the upper mold and the lower mold are closed, the mold core and the mold hole cooperate to form a forming hole of the sunshade profile, the connecting beam arranged in the welding chamber is used for enhancing the firmness of the second protrusion, the stability of the second protrusion during forming is improved, the forming precision is improved, and it is ensured that the tarpaulin can be reliably fixed in the tarpaulin limiting groove. Specifically, the connecting beam also has a guiding effect on the metal fluid, and the fan-shaped part can guide a larger amount of metal to the mold hole, further improving the forming effect.

[0019] In the utility model, the peeling ring, the upper mold and the lower mold are assembled and fixed by the connecting rod, so that the assembly and disassembly operation of the forming mold is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of a sunshade;

[0021] Figure 2 is a structural schematic view of a sunshade profile;

[0022] Figure 3 is a structural schematic view of an upper die in an embodiment of the utility model;

[0023] Figure 4 is a structural schematic view of a lower die in an embodiment of the utility model;

[0024] Figure 5 is a schematic view of a connecting beam and a second protrusion;

[0025] Figure 6 is a schematic view of cooperation of the upper die, the lower die and the skinning ring;

[0026] Figure 7 is a retracted state and a protruding state of a transverse clamping block of a connecting rod;

[0027] Reference signs:

[0028] Tarpaulin 01, sunshade profile 02, connecting rod mounting groove 021, tarpaulin limiting groove 022;

[0029] Upper die 1, die core 11, flange 111, top abutting flat surface 12, shunt hole 13, recess 14, recess position 15, through hole 16;

[0030] Lower die 2, welding chamber 21, die hole 22, first protrusion 23, second protrusion 24, connecting beam 25, straight rod part 251, fan-shaped part 252, drainage groove 253, resistance block 26;

[0031] Skinning ring 3, skinning tip ring 31, positioning ring 32, mounting ring 33, connecting hole 34, limiting through hole 35;

[0032] Connecting rod 4, telescopic rod 41, transverse clamping block 42. DETAILED DESCRIPTION

[0033] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0034] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. In addition, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features, which are used to distinguish the features described, and there is no order or difference in importance.

[0035] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0036] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] The utility model provides a kind of forming die for sunshade profile, which is described below in conjunction with Figures 1 to 7 , the sunshade profile 02 is cylindrical, the sunshade profile 02 is provided with the axial connecting rod installation groove 021 and the axial canopy limiting groove 022, the cross section of the connecting rod installation groove 021 is trapezoidal with long side opening, the cross section of the canopy limiting groove 022 is circular with opening, the forming die includes upper die 1 and lower die 2, the bottom surface of the upper die 1 is provided with mold core 11, the top surface of the lower die 2 is provided with welding chamber 21, the welding chamber 21 is provided with mold hole 22, the mold hole 22 is provided with first protrusion 23 matched with the mold core 11 to form the connecting rod installation groove 021, the mold hole 22 is provided with second protrusion 24 matched with the mold core 11 to form the canopy limiting groove 022;

[0038] The welding chamber 21 is provided with connecting beam 25, the connecting beam 25 includes connected straight rod part 251 and sector part 252, one end of the straight rod part 251 is located on the top surface of the second protrusion 24, the arc-shaped side of the sector part 252 is connected to the side wall of the welding chamber 21, and the width of the straight rod part 251 is less than the opening width of the canopy limiting groove 022.

[0039] In the technical solution, the mold core 11 cooperates with the mold hole 22 to form the forming hole of the sunshade profile 02 after the upper mold 1 and the lower mold 2 are closed, the connecting beam 25 for enhancing the firmness of the second protrusion 24 is arranged in the welding chamber 21, the stability of the second protrusion 24 during forming is improved, the forming precision is improved, and it is ensured that the tarpaulin 01 can be reliably fixed in the tarpaulin limiting groove 022. Specifically, the connecting beam 25 also has a guiding effect on the metal fluid, and the fan-shaped part 252 can guide a larger amount of metal to the mold hole 22, and the forming effect is further improved. Preferably, the lower mold 2 is provided with two second protrusions 24, so that the sunshade profile 02 has two tarpaulin limiting grooves 022, the limiting effect on the tarpaulin 01 is better, and the free edge of the downward tarpaulin 01 also has a rainwater guiding effect.

[0040] In order to further improve the utilization rate of metal and prevent the metal from forming a flow dead zone in the welding chamber 21, in an embodiment of the utility model, the top surface of the fan-shaped part 252 of the connecting beam 25 is provided with a radial drainage groove 253. The depth of the drainage groove 253 is 0.5-1.5 mm, and the flow smoothness of the metal in the welding chamber 21 is improved.

[0041] In order to make the connecting beam 25 have a reinforcing structure and a flow guiding effect, further, the height of the connecting beam 25 is 2-5 mm. If the height of the connecting beam 25 is too small, the effect of structure reinforcement is not good, and if the height is too large, the resistance to the metal is too large and affects the flowability.

[0042] In an embodiment of the utility model, the position adjacent to the first protrusion 23 of the mold hole 22 is provided with a flow resistance block 26, and the height of the flow resistance block 26 is 1-3 mm, so as to ensure the forming precision of the edge of the connecting rod installation groove 021. Specifically, the width of the flow resistance block 26 is greater than 5 mm, the edge of the flow resistance block 26 away from the mold hole 22 is smoothly connected with the welding chamber 21, the resistance to the metal flow is reduced, and the flow disturbance phenomenon is prevented.

[0043] In order to ensure the consistency of the wall thickness of the sunshade profile 02 and the better surface effect, further, the top end of the working surface of the mold core 11 is provided with a flange 111, and the thickness of the flange 111 is less than the wall thickness of the sunshade profile 02.

[0044] In an embodiment of the utility model, the top surface of the upper mold 1 is provided with a top abutting convex plane 12, the top abutting convex plane 12 is a smooth plane, a plurality of shunt holes 13 are arranged in the top abutting plane, and the plurality of shunt holes 13 are uniformly distributed around the mold core 11. The smooth top abutting convex plane 12 is more conducive to separating the residual material of the extruded aluminum alloy bar, and the uniformly distributed shunt holes 13 correspond to the shape of the cylindrical sunshade profile 02, and correspondingly, the welding chamber 21 is cylindrical.

[0045] In order to ensure the strength of the sunshade profile 02, further, the outer edge of the top resisting convex plane 12 is provided with a skinning ring 3, the skinning ring 3 comprises a skinning tip ring 31, the skinning tip ring 31 is attached to the edge of the top resisting convex plane 12, and the skinning tip ring 31 protrudes from the top resisting convex plane 122-5mm. When the aluminum alloy bar enters the shunt hole 13 during the extrusion forming of the sunshade profile 02, the outer oxidation layer is removed by the skinning tip ring 31, thereby ensuring the homogeneity of the sunshade profile 02, and further ensuring the strength of the sunshade profile 02, thereby improving the service life of the sunshade.

[0046] Further, the skinning ring 3 further comprises a positioning ring 32 and a mounting ring 33, the upper die 1 is provided with a recess 14 corresponding to the positioning ring 32, and the upper die 1 is provided with a recess 15 attached to the mounting ring 33; the skinning ring 3, the upper die 1 and the lower die 2 are connected through the connecting rod 4. The positioning ring 32 is inserted into the recess 14 to position the skinning ring 3, and further ensure that it does not shift during the forming process. The connecting rod 4 simultaneously connects the skinning ring 3, the upper die 1 and the lower die 2, which is beneficial to simplify the structure of the forming die. The skinning ring 3, the upper die 1 and the lower die 2 can be separated by releasing the connecting effect of the connecting rod 4, which is simple and fast to operate.

[0047] Specifically, the connecting rod 4 can fix the skinning ring 3, the upper die 1 and the lower die 2 through threaded nuts, but it is easy to loosen, and it is laborious to install and disassemble. In order to solve this problem, in an embodiment of the utility model, further, one end of the connecting rod 4 is fixed to the lower die 2, and the upper die 1 is provided with a through hole 16 for the connecting rod 4 to penetrate;

[0048] The connecting rod 4 is provided with a telescopic rod 41 and a transverse clamping block 42, the transverse clamping block 42 is slidingly arranged on the connecting rod 4, the mounting ring 33 is provided with a connecting hole 34 and a limiting through hole 35 in communication, the connecting rod 4 is inserted into the connecting hole 34, and the recess 15 of the telescopic rod 41 is used to push the transverse clamping block 42 to extend into the limiting through hole 35.

[0049] When assembling the die, the connecting rod 4 penetrates the through hole 16 of the upper die 1 and extends into the connecting hole 34, based on the pressure of the skinning ring 3 on the connecting rod 4, the telescopic rod 41 retracts into the connecting rod 4 and pushes the transverse clamping block 42 to extend out of the connecting rod 4, and the transverse clamping block 42 extends into the limiting through hole 35, thereby positioning the skinning ring 3, the upper die 1 and the lower die 2. It should be noted that the transverse clamping block 42 is cylindrical and matches the limiting through hole 35 to ensure the reliability of assembly. Specifically, the telescopic rod 41 is installed in the connecting rod 4 through a spring, and the spring makes the end of the telescopic rod 41 exposed outside the telescopic rod 41.

[0050] It can be understood that, in order to ensure the accuracy of positioning, positioning rods are arranged between the upper die 1 and the lower die 2 and between the upper die 1 and the peeling ring 3.

[0051] Other configurations and operations of the forming die for the sunshade profile according to the embodiments of the present application are known to those skilled in the art and will not be described in detail herein.

[0052] In the description of the present application, the description referring to the terms "embodiment", "example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A forming die for a sunshade profile, the sunshade profile being cylindrical, the sunshade profile being provided with an axial link mounting groove and an axial canopy limiting groove, the cross section of the link mounting groove being a trapezoid with a long side opening, the cross section of the canopy limiting groove being a circle with an opening, characterized in that, The forming die comprises an upper die and a lower die, the bottom surface of the upper die is provided with a die core, the top surface of the lower die is provided with a welding chamber, the welding chamber is provided with a die hole, the die hole is provided with a first protrusion for cooperating with the die core to form the connecting rod mounting groove, and the die hole is provided with a second protrusion for cooperating with the die core to form the tarpaulin limiting groove; The welding chamber is provided with a connecting beam, the connecting beam comprises a straight rod part and a fan-shaped part connected to each other, one end of the straight rod part is located on the top surface of the second protrusion, the arc-shaped side of the fan-shaped part is connected to the side wall of the welding chamber, and the width of the straight rod part is smaller than the opening width of the tarpaulin limiting groove.

2. A forming die for a sun shade profile according to claim 1, characterised in that, The top surface of the fan-shaped part of the connecting beam is provided with a radial drainage groove.

3. A forming die for a sun shade profile according to claim 2, characterised in that, The height of the connecting beam is 2-5 mm.

4. A forming die for a sun shade profile according to claim 3, characterised in that, The position adjacent to the first protrusion of the die hole is provided with a flow resistance block, and the height of the flow resistance block is 1-3 mm.

5. A forming die for a sun shade profile according to any one of claims 1 to 4, characterised in that, The top end of the working surface of the die core is provided with a flange, and the thickness of the flange is smaller than the wall thickness of the sunshade profile.

6. A forming die for a sun shade profile according to any one of claims 1 to 4, characterised in that, The top surface of the upper die is provided with a top abutting convex plane, the top abutting convex plane is a smooth plane, a plurality of shunt holes are arranged in the top abutting convex plane, and the plurality of shunt holes are uniformly distributed around the die core.

7. A forming die for a sun shade profile according to claim 6, characterised in that, The outer edge of the top abutting convex plane is provided with a peeling ring, the peeling ring comprises a peeling tip ring, the peeling tip ring is attached to the edge of the top abutting convex plane, and the peeling tip ring protrudes from the top abutting convex plane by 2-5 mm.

8. A forming die for a sun shade profile according to claim 7, characterised in that, The peeling ring further comprises a positioning ring and a mounting ring, the upper die is provided with a recess corresponding to the positioning ring, and the upper die is provided with a recess position attached to the mounting ring; The peeling ring, the upper die and the lower die are connected through a connecting rod.

9. A forming die for a sun shade profile according to claim 8, characterised in that, One end of the connecting rod is fixed to the lower die, and the upper die is provided with a through hole for the connecting rod to penetrate; The connecting rod is provided with an extension rod and a transverse clamping block, the transverse clamping block is slidingly arranged on the connecting rod, the mounting ring is provided with a connecting hole and a limiting through hole in communication, the connecting rod is inserted into the connecting hole, and the recess of the extension rod is used to push the transverse clamping block to extend into the limiting through hole.

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