Multi-layer oppositely-inserted special-shaped hollow grid plate shaping mold

Abstract

The invention provides a multi-layer oppositely-inserted special-shaped hollow grid plate shaping mold which comprises an upper mold, a lower mold, an upper mold left side plate, an upper mold right side plate, a lower mold left side plate and a lower mold right side plate, a left adjusting block is arranged on the left side between the upper mold and the lower mold, a shaping groove is formed in the inner side face of the left adjusting block, and a right adjusting block is arranged on the right side between the upper mold and the lower mold. The left adjusting block and the right adjusting block are externally connected with a left-right adjusting driving mechanism respectively, and the bottom face of the upper die, the top face of the lower die, the inner side face of the left adjusting block and the inner side face of the right adjusting block are provided with air suction grooves respectively. Air holes are formed in the upper die, the lower die, the left adjusting block and the right adjusting block, the ends of the air holes are connected with vacuumizing equipment through air pipes, the air holes are communicated with the air suction grooves, cooling water holes are formed in the upper die and the lower die in the left-right direction, and the cooling water holes are externally connected with cooling circulating water through water pipes. The multi-layer oppositely-inserted special-shaped hollow grid plate product can be accurately shaped.

Description

Technical Field

[0001] The invention relates to the technical field of hollow grid plate production, in particular to a multi-layer interleaved special-shaped hollow grid plate forming die. Background Art

[0002] Multi-layer interlocking special-shaped hollow lattice is a special hollow lattice product with matching cross-sectional shapes on the left and right sides. After extrusion and cutting to a predetermined length, it can be spliced ​​end to end. Its production method is to use continuous extrusion of the extrusion die. When the die is extruding, the temperature of the product is still relatively high and the product has not yet completely hardened. A corresponding shaping die is required behind the extrusion die to ensure the shaping of the product. Summary of the invention

[0003] In view of the above problems, the present invention aims to provide a multi-layer inserted special-shaped hollow grid plate shaping die, which can cooperate with the extrusion die head to accurately shape the extruded multi-layer inserted special-shaped hollow grid plate product to prevent the product from deforming during the cooling process.

[0004] The technical solution of the present invention is a multi-layer inserted special-shaped hollow lattice shaping die, comprising an upper die and a lower die, the left side of the upper die is connected to the left side plate of the upper die, the right side of the upper die is connected to the right side plate of the upper die, the left side of the lower die is connected to the left side plate of the lower die, and the right side of the lower die is connected to the right side plate of the lower die, a left adjustment block is arranged in the left area between the upper die and the lower die, a shaping groove is arranged on the inner side of the left adjustment block, a right adjustment block is arranged in the right area between the upper die and the lower die, a shaping protrusion is arranged on the inner side of the right adjustment block, the cross-sectional shape of the shaping protrusion is engaged with the cross-sectional shape of the shaping groove, and the left adjustment block The upper and lower molds are respectively connected to left and right adjustment drive mechanisms, the bottom surface of the upper mold, the top surface of the lower mold, the inner side surface of the left adjustment block and the inner side surface of the right adjustment block are respectively provided with a series of air suction grooves, the upper mold, the lower mold, the left adjustment block and the right adjustment block are each provided with a series of air holes, the ends of the air holes are connected to a vacuum pumping device through an air pipe, the air holes are connected to the corresponding series of air suction grooves thereon, cooling water holes are provided in the upper and lower molds along the left and right directions, and the cooling water holes are externally connected to cooling circulating water through water pipes; the cross-section enclosed by the upper mold, the lower mold, the left adjustment block and the right adjustment block corresponds to the cross-section of the extrusion die head product.

[0005] Preferably, the lower mold is fixed on the base plate, and the driving mechanism includes a fixed base connected to the base plate, the fixed base is transversely threaded with an adjusting screw, the end of the adjusting screw located on the outside of the fixed base is connected with an adjusting nut, the inner end of the adjusting screw is connected to a connecting block, and the connecting block is fixedly connected to a left adjusting block or a right adjusting block.

[0006] Preferably, there are two driving mechanisms on the outer side of the left adjustment block, which are respectively connected to the front and rear positions of the left adjustment block; and there are two driving mechanisms on the outer side of the right adjustment block, which are respectively connected to the front and rear positions of the right adjustment block.

[0007] Preferably, the bottom plate is located on the left and right outer sides of the upper mold and is respectively connected to vertically arranged guide columns, the top surface of the guide columns is connected to a fixed plate, a cylinder is arranged in the middle of the fixed plate, the bottom of the piston rod of the cylinder is connected to a pull plate, and the bottom of the pull plate is connected to the upper mold.

[0008] Preferably, the inner side surfaces of the left side plate of the upper mold and the right side plate of the upper mold are both provided with water grooves, and the water grooves connect the adjacent cooling water holes of the upper mold so that all the cooling water holes and the water grooves are combined to form a circulating water circuit.

[0009] Preferably, water grooves are provided on the inner side surfaces of the left side plate of the lower mold and the right side plate of the lower mold, and the water grooves connect the adjacent cooling water holes of the lower mold so that all the cooling water holes and the water grooves are combined to form a circulating water circuit.

[0010] Preferably, the air holes on the upper mold and the lower mold are arranged along the front-to-back direction, and this series of air holes are evenly distributed at equal intervals along the left-to-right direction.

[0011] Preferably, the air holes on the left adjustment block and the right adjustment block are arranged in the up-down direction, and this series of air holes are evenly distributed at equal intervals in the front-back direction.

[0012] The invention can cooperate with an extrusion die head to accurately shape the extruded multi-layer inserted special-shaped hollow grid plate product, thereby preventing the product from deforming during the cooling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention from the front side perspective; Figure 2 It is a schematic diagram of the structure of the present invention from a rear side perspective; Figure 3 An exploded view of the present invention; Figure 4 for Figure 3 A schematic diagram of the structure from another perspective; Among them: 1—upper die; 2—lower die; 3—upper die left side plate; 4—upper die right side plate; 5—lower die left side plate; 6—lower die right side plate; 7—left adjusting block; 71—molding groove; 8—right adjusting block; 81—molding protrusion; 9—driving mechanism; 91—fixed seat; 92—adjusting screw; 93—adjusting nut; 94—connecting block; 10—intake groove; 11—air hole; 12—cooling water hole; 13—bottom plate; 14—guide column; 15—fixed plate; 16—cylinder; 17—pull plate; 18—water tank. DETAILED DESCRIPTION

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0015] like Figures 1 to 4 As shown, the present invention provides a multi-layer inserted special-shaped hollow lattice plate shaping die, including an upper die 1 and a lower die 2, wherein the upper die 1 is connected to an upper die left side plate 3 on the left side, and the upper die 1 is connected to an upper die right side plate 4 on the right side, the lower die 2 is connected to a lower die left side plate 5 on the left side, and the lower die 2 is connected to a lower die right side plate 6 on the right side, a left adjustment block 7 is arranged in the left area between the upper die 1 and the lower die 2, and a shaping groove 71 is arranged on the inner side of the left adjustment block 7, and a right adjustment block 8 is arranged in the right area between the upper die 1 and the lower die 2, and a shaping protrusion 81 is arranged on the inner side of the right adjustment block 8, and the cross-sectional shape of the shaping protrusion 81 is engaged with the cross-sectional shape of the shaping groove 71, and the left adjustment block 7 and the right The adjusting blocks 8 are respectively connected to a left-right adjusting driving mechanism 9, and a series of suction grooves 10 are respectively arranged on the bottom surface of the upper mold 1, the top surface of the lower mold 2, the inner side surface of the left adjusting block 7 and the inner side surface of the right adjusting block 8. A series of air holes 11 are arranged in the upper mold 1, the lower mold 2, the left adjusting block 7 and the right adjusting block 8, and the ends of the air holes 11 are connected to a vacuum pumping device through an air pipe. The air holes 11 are connected to the corresponding series of air suction grooves 10 thereon, and cooling water holes 12 are arranged in the upper mold 1 and the lower mold 2 along the left and right directions, and the cooling water holes 12 are externally connected to cooling circulating water through water pipes; the cross-section surrounded by the upper mold 1, the lower mold 2, the left adjusting block 7 and the right adjusting block 8 corresponds to the cross-section of the extrusion die head product.

[0016] In the above scheme, the lower mold 2 is fixed on the base plate 13, and the driving mechanism 9 includes a fixed base 91 connected to the base plate 13, and an adjusting screw 92 is transversely threaded on the fixed base 91. The end of the adjusting screw 92 located on the outer side of the fixed base 91 is connected to an adjusting nut 93, and the inner end of the adjusting screw 92 is connected to a connecting block 94, and the connecting block 94 is fixedly connected to the left adjusting block 7 or the right adjusting block 8.

[0017] In addition, there are two driving mechanisms 9 on the outside of the left adjustment block 7, which are respectively connected to the front and rear positions of the left adjustment block 7; there are two driving mechanisms 9 on the outside of the right adjustment block 8, which are respectively connected to the front and rear positions of the right adjustment block 8.

[0018] In addition, the bottom plate 13 is located on the left and right outer sides of the upper mold 1 and is respectively connected to vertically arranged guide columns 14, the top surface of the guide column 14 is connected to a fixed plate 15, a cylinder 16 is arranged in the middle of the fixed plate 15, and the bottom of the piston rod of the cylinder 16 is connected to a pull plate 17, and the bottom of the pull plate 17 is connected to the upper mold 1.

[0019] Specifically, the inner side surfaces of the upper mold left plate 3 and the upper mold right plate 4 are both provided with water grooves 18, and the water grooves 18 connect the adjacent cooling water holes 12 of the upper mold 1 so that all the cooling water holes 12 and the water grooves 18 are combined to form a circulating water circuit.

[0020] Specifically, the inner side surfaces of the lower mold left plate 5 and the lower mold right plate 6 are both provided with water grooves 18, and the water grooves 18 connect the adjacent cooling water holes 12 of the lower mold 2 so that all the cooling water holes 12 and the water grooves 18 are combined to form a circulating water circuit.

[0021] Specifically, the air holes 11 on the upper mold 1 and the lower mold 2 are arranged along the front-to-back direction, and this series of air holes 11 are evenly distributed at equal intervals along the left-to-right direction.

[0022] Specifically, the air holes 11 on the left adjustment block 7 and the right adjustment block 8 are arranged in the up-down direction, and this series of air holes 11 are evenly distributed at equal intervals in the front-back direction.

[0023] The working principle of the present invention is as follows: After the molten raw material is extruded from the lip of the extrusion die, it enters the upper mold 1 and the lower mold 3 of the present invention. The shape of the product is consistent with the cross section surrounded by the upper mold 1, the lower mold 2, the left adjustment block 7 and the right adjustment block 8. The suction grooves 10 on the lower surface of the upper mold 1, the upper surface of the lower mold 3, the inner side of the left adjustment block 7 and the inner side of the right adjustment block 8 are connected to the vacuum pumping equipment through the air holes 11 and the air pipe, so that the product is subjected to a uniform outward suction force when entering the channel to maintain the final shape of the product. At the same time, since the temperature of the product is still relatively high at this time, it is necessary to cool down. Therefore, cooling water holes 12 are arranged in the left and right directions in the upper mold 1 and the lower mold 2. The cooling water holes 12 are connected to the cooling circulating water through the water pipe, and cooperate with the water tank 18 on the corresponding side plate to form a circulation channel to cool the upper mold 1 and the lower mold 2, so that the product can be quickly cooled when passing through the channel, and the final product basically maintains the solidified final state when it goes out from the rear end.

[0024] The above description is only a preferred embodiment of the present invention and does not impose any form of limitation on the invention. Any simple modification, equivalent change or modification made to the above embodiments based on the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A multi-layer interleaved special-shaped hollow grid plate forming die, characterized in that: The invention comprises an upper die (1) and a lower die (2), wherein the upper die (1) is connected to an upper die left side plate (3) on the left side, the upper die (1) is connected to an upper die right side plate (4) on the right side, the lower die (2) is connected to a lower die left side plate (5) on the left side, and the lower die (2) is connected to a lower die right side plate (6) on the right side, a left adjustment block (7) is arranged in the left area between the upper die (1) and the lower die (2), a shaping groove (71) is arranged on the inner side of the left adjustment block (7), a right adjustment block (8) is arranged in the right area between the upper die (1) and the lower die (2), a shaping protrusion (81) is arranged on the inner side of the right adjustment block (8), the cross-sectional shape of the shaping protrusion (81) is engaged with the cross-sectional shape of the shaping groove (71), and the left adjustment block (7) and the right adjustment block (8) are respectively connected to left and right The drive mechanism (9) for adjustment is provided. A series of air suction grooves (10) are respectively arranged on the bottom surface of the upper mold (1), the top surface of the lower mold (2), the inner side surface of the left adjustment block (7) and the inner side surface of the right adjustment block (8). A series of air holes (11) are arranged in the upper mold (1), the lower mold (2), the left adjustment block (7) and the right adjustment block (8). The ends of the air holes (11) are connected to a vacuum pumping device through air pipes. The air holes (11) are connected to the corresponding series of air suction grooves (10) thereon. Cooling water holes (12) are arranged in the left and right directions in the upper mold (1) and the lower mold (2). The cooling water holes (12) are connected to cooling circulating water through water pipes. The cross section enclosed by the upper mold (1), the lower mold (2), the left adjustment block (7) and the right adjustment block (8) corresponds to the cross section of the extrusion die head product.

2. The multi-layer interleaved special-shaped hollow grid plate forming die according to claim 1, characterized in that: The lower die (2) is fixed on a base plate (13); the driving mechanism (9) comprises a fixing seat (91) connected to the base plate (13); an adjusting screw (92) is transversely threadedly connected to the fixing seat (91); an adjusting nut (93) is connected to the end of the adjusting screw (92) located outside the fixing seat (91); an inner end of the adjusting screw (92) is connected to a connecting block (94); and the connecting block (94) is fixedly connected to a left adjusting block (7) or a right adjusting block (8).

3. A multi-layer double-hook special-shaped hollow grid plate forming die according to claim 2, characterized in that: The number of the driving mechanisms (9) on the outside of the left adjustment block (7) is two, which are respectively connected to the front and rear positions of the left adjustment block (7); the number of the driving mechanisms (9) on the outside of the right adjustment block (8) is two, which are respectively connected to the front and rear positions of the right adjustment block (8).

4. The multi-layer double-hook special-shaped hollow grid plate forming die according to claim 2, characterized in that: The bottom plate (13) is located on the left and right outer sides of the upper mold (1) and is respectively connected to vertically arranged guide columns (14); the top surface of the guide column (14) is connected to a fixed plate (15); a cylinder (16) is arranged in the middle of the fixed plate (15); the bottom of the piston rod of the cylinder (16) is connected to a pull plate (17); and the bottom of the pull plate (17) is connected to the upper mold (1).

5. The multi-layer interleaved special-shaped hollow grid plate forming die according to claim 1, characterized in that: The inner side surfaces of the left side plate (3) of the upper mold and the inner side surfaces of the right side plate (4) of the upper mold are both provided with water grooves (18), and the water grooves (18) connect the adjacent cooling water holes (12) of the upper mold (1) so that all the cooling water holes (12) and the water grooves (18) are combined to form a circulating water circuit.

6. The multi-layer interleaved special-shaped hollow grid plate forming die according to claim 1, characterized in that: The inner side surfaces of the left side plate (5) of the lower mold and the inner side surfaces of the right side plate (6) of the lower mold are both provided with water grooves (18), and the water grooves (18) connect the adjacent cooling water holes (12) of the lower mold (2) so that all the cooling water holes (12) and the water grooves (18) are combined to form a circulating water circuit.

7. The multi-layer interleaved special-shaped hollow grid plate forming die according to claim 1, characterized in that: The air holes (11) on the upper mold (1) and the lower mold (2) are arranged along the front-to-back direction, and the series of air holes (11) are evenly distributed at equal intervals along the left-to-right direction.

8. The multi-layer interleaved special-shaped hollow grid plate forming die according to claim 1, characterized in that: The air holes (11) on the left adjustment block (7) and the right adjustment block (8) are arranged in the up-down direction, and the series of air holes (11) are evenly distributed at equal intervals in the front-back direction.

Images