Multi-layer double-hook special-shaped hollow grid plate shaping mold

Abstract

The invention provides a multi-layer double-hook special-shaped hollow grid plate shaping mold which comprises an upper mold, an upper mold cover plate, a lower mold, a lower mold cover plate, a left adjusting block and a right adjusting block, the left adjusting block and the right adjusting block are externally connected with a left-right adjusting driving mechanism respectively, a mounting groove is formed in the top face of the lower mold, a shaping block is mounted in the mounting groove, and the left adjusting block and the right adjusting block are arranged in the mounting groove. 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 each provided with a series of air suction grooves, air holes are formed in the upper die, the lower die, the left adjusting block and the right adjusting block in the front-back direction, the front ends and the rear ends of the air holes are connected with vacuumizing equipment through air pipes, and the air holes communicate with the air suction grooves. A lower cooling circulating water tank is arranged on the bottom surface of the lower mold, the upper mold cover plate seals the upper cooling circulating water tank after covering, and the lower mold cover plate seals the lower cooling circulating water tank after covering. According to the invention, an extruded product can be precisely shaped, and the product is prevented from deforming in the cooling process.

Description

Technical Field

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

[0002] Multi-layer double-hook special-shaped hollow grating is a special-shaped hollow grating product, which is produced by extrusion die. When the die is extruded, the temperature of the product is still relatively high and the product has not been 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 double-hook special-shaped hollow grid plate shaping die, which can cooperate with the extrusion die head to accurately shape the extruded multi-layer double-hook 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 double-hook special-shaped hollow lattice plate shaping die, characterized in that it includes an upper die, an upper die cover plate, a lower die, and a lower die cover plate, a left adjustment block and a right adjustment block are respectively arranged on the left and right sides between the upper die and the lower die, the left adjustment block and the right adjustment block are respectively externally connected to a left-right adjustment driving mechanism, the top surface of the lower die is located on the left and right areas inside the left and right adjustment blocks, and mounting grooves are arranged along the front-to-back direction, a shaping block is installed in the mounting groove, the bottom surface of the upper die, the top surface of the lower die, 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 suction grooves, the upper die, the lower die, the left adjustment block and the right adjustment block Air holes are arranged along the front-to-back direction of the inner edge, and the front and rear ends of the air holes are connected to a vacuum pumping device through an air pipe, and the air holes are communicated with the air suction groove. An upper cooling circulation water groove is arranged on the top surface of the upper mold, and a water inlet hole and a water outlet hole corresponding to the upper cooling circulation water groove are arranged on the upper mold cover plate, and a lower cooling circulation water groove is arranged on the bottom surface of the lower mold, and a water inlet hole and a water outlet hole corresponding to the lower cooling circulation water groove are arranged on the lower mold cover plate. When the upper mold cover plate is closed, the upper cooling circulation water groove is sealed, and when the lower mold cover plate is closed, the lower cooling circulation water groove is sealed; the cross section surrounded by the upper mold, the lower mold, the shaping block, 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 cover plate.

[0008] Preferably, the shaping block includes a longitudinally extending connecting portion and a side wall portion located on the inner side of the connecting portion and extending vertically upward, the bottom surface of the connecting portion is connected to the bottom surface of the mounting groove by screws, and the outer side surface of the side wall portion is provided with a strip clip, and a gap is left between the strip clip and the right adjustment block or the left adjustment block, and the gap is adjusted by a driving mechanism.

[0009] The invention can cooperate with an extrusion die head to accurately shape the extruded multi-layer double-hook special-shaped hollow grid plate product, thereby preventing the product from deforming during the cooling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] 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; Figure 5 It is a structural schematic diagram of the shaping block in the present invention; Among them: 1—upper die; 1a—upper cooling circulating water tank; 2—upper die cover; 3—lower die; 3a—lower cooling circulating water tank; 4—lower die cover; 5—left adjusting block; 6—right adjusting block; 7—driving mechanism; 71—fixing seat; 72—adjusting screw; 73—adjusting nut; 74—connecting block; 8—installation groove; 9—forming block; 91—connecting part; 92—side wall part; 93—strip card strip; 10—intake groove; 11—air hole; 12—bottom plate; 13—guide column; 14—fixing plate; 15—cylinder; 16—pull plate. DETAILED DESCRIPTION

[0011] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0012] like Figures 1 to 5As shown, the present invention provides a multi-layer double-hook special-shaped hollow grid plate shaping die, including an upper die 1, an upper die cover plate 2, a lower die 3, and a lower die cover plate 4. A left adjustment block 5 and a right adjustment block 6 are respectively arranged on the left and right sides between the upper die 1 and the lower die 3. The left adjustment block 5 and the right adjustment block 6 are respectively externally connected to a left-right adjustment driving mechanism 7. The top surface of the lower die 3 is located on the left and right areas inside the left adjustment block 5 and the right adjustment block 6 and is provided with a mounting groove 8 along the front-to-back direction. A shaping block 9 is installed in the mounting groove 8. A series of air suction grooves 10 are respectively arranged on the bottom surface of the upper die 1, the top surface of the lower die 3, the inner side surface of the left adjustment block 5, and the inner side surface of the right adjustment block 6. The upper die 1, the lower die 3, the left adjustment block 5, and the right adjustment block 6 are respectively provided with a plurality of air suction grooves 10. An air hole 11 is provided, and the front and rear ends of the air hole 11 are connected to a vacuum pump through an air pipe. The air hole 11 is communicated with the air suction groove 10. The top surface of the upper mold 1 is provided with an upper cooling circulation water groove 1a, and the upper mold cover plate 2 is provided with a water inlet hole and a water outlet hole corresponding to the upper cooling circulation water groove 1a. The bottom surface of the lower mold 3 is provided with a lower cooling circulation water groove 3a, and the lower mold cover plate 4 is provided with a water inlet hole and a water outlet hole corresponding to the lower cooling circulation water groove 3a. The upper mold cover plate 2 is sealed to the upper cooling circulation water groove 1a after covering, and the lower mold cover plate 4 is sealed to the lower cooling circulation water groove 3a after covering; the cross-section surrounded by the upper mold 1, the lower mold 3, the shaping block 9, the left adjustment block 5 and the right adjustment block 6 corresponds to the cross-section of the extrusion die head product.

[0013] In the above scheme, the lower mold 3 is fixed on the base plate 12, and the driving mechanism 7 includes a fixed seat 71 connected to the base plate 12, and an adjusting screw 72 is transversely threaded on the fixed seat 71. The end of the adjusting screw 72 located on the outer side of the fixed seat 71 is connected to an adjusting nut 73, and the inner end of the adjusting screw 72 is connected to a connecting block 74, and the connecting block 74 is fixedly connected to the left adjusting block 5 or the right adjusting block 6.

[0014] In addition, there are two driving mechanisms 7 on the outside of the left adjustment block 5, which are respectively connected to the front and rear positions of the left adjustment block 5; there are two driving mechanisms 7 on the outside of the right adjustment block 6, which are respectively connected to the front and rear positions of the right adjustment block 6.

[0015] In addition, the bottom plate 12 is located on the left and right outer sides of the upper mold 1 and is respectively connected to vertically arranged guide columns 13, the top surface of the guide column 13 is connected to a fixed plate 14, a cylinder 15 is arranged in the middle of the fixed plate 14, and the bottom of the piston rod of the cylinder 15 is connected to a pull plate 16, and the bottom of the pull plate 16 is connected to the upper mold cover plate 2.

[0016] Furthermore, the shaping block 9 includes a longitudinally extending connecting portion 91 and a side wall portion 92 located on the inner side of the connecting portion 91 and extending vertically upward. The bottom surface of the connecting portion 91 is connected to the bottom surface of the mounting groove 8 by screws. The outer side surface of the side wall portion 92 is provided with a strip clip 93. A gap is left between the strip clip 93 and the right adjustment block 6 or the left adjustment block 5, and the gap is adjusted by the driving mechanism 7.

[0017] 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 3, the shaping block 9, the left adjustment block 5 and the right adjustment block 6, and the suction groove 10 set 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 5 and the inner side of the right adjustment block 6 is connected to the vacuum pumping equipment through the air hole 11 and the air pipe, so that the product is subjected to a uniform outward suction force when entering the channel to maintain the shaping of the product. At the same time, since the temperature of the product is still relatively high at this time and needs to be cooled, an upper cooling circulation water tank 1a is set in the upper mold 1, and a lower cooling circulation water tank 3a is set in the lower mold 3. The product can be quickly cooled when passing through the channel, and the shaping is accelerated while the solidification is achieved. Finally, the product basically maintains the solidified shaping state when it goes out from the rear end.

[0018] 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 double-hook special-shaped hollow grid plate forming die, characterized in that: The invention comprises an upper die (1), an upper die cover plate (2), a lower die (3), and a lower die cover plate (4); a left adjustment block (5) and a right adjustment block (6) are respectively arranged on the left and right sides between the upper die (1) and the lower die (3); the left adjustment block (5) and the right adjustment block (6) are respectively externally connected to a left-right adjustment driving mechanism (7); the top surface of the lower die (3) is located on the left and right areas inside the left adjustment block (5) and the right adjustment block (6) and is provided with mounting grooves (8) along the front-back direction; a shaping block (9) is installed in the mounting groove (8); a series of air suction grooves (10) are respectively arranged on the bottom surface of the upper die (1), the top surface of the lower die (3), the inner side surface of the left adjustment block (5) and the inner side surface of the right adjustment block (6); and air holes (10) are arranged in the upper die (1), the lower die (3), the left adjustment block (5) and the right adjustment block (6) along the front-back direction. 1), the front and rear ends of the air hole (11) are connected to a vacuum pumping device through an air pipe, the air hole (11) is connected to the air suction groove (10), the top surface of the upper mold (1) is provided with an upper cooling circulation water groove (1a), the upper mold cover plate (2) is provided with a water inlet hole and a water outlet hole corresponding to the upper cooling circulation water groove (1a), the bottom surface of the lower mold (3) is provided with a lower cooling circulation water groove (3a), the lower mold cover plate (4) is provided with a water inlet hole and a water outlet hole corresponding to the lower cooling circulation water groove (3a), the upper cooling circulation water groove (1a) is sealed when the upper mold cover plate (2) is covered, and the lower cooling circulation water groove (3a) is sealed when the lower mold cover plate (4) is covered; the cross section enclosed by the upper mold (1), the lower mold (3), the shaping block (9), the left adjustment block (5) and the right adjustment block (6) corresponds to the cross section of the extrusion die head product.

2. A multi-layer double-hook special-shaped hollow grid plate forming die according to claim 1, characterized in that: The lower die (3) is fixed on a base plate (12); the driving mechanism (7) comprises a fixing seat (71) connected to the base plate (12); an adjusting screw (72) is transversely threadedly connected to the fixing seat (71); an adjusting nut (73) is connected to the end of the adjusting screw (72) located outside the fixing seat (71); an inner end of the adjusting screw (72) is connected to a connecting block (74); and the connecting block (74) is fixedly connected to a left adjusting block (5) or a right adjusting block (6).

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 (7) on the outside of the left adjustment block (5) is two, which are respectively connected to the front and rear positions of the left adjustment block (5); the number of the driving mechanisms (7) on the outside of the right adjustment block (6) is two, which are respectively connected to the front and rear positions of the right adjustment block (6).

4. The multi-layer double-hook special-shaped hollow grid plate forming die according to claim 2, characterized in that: The bottom plate (12) is located on the left and right outer sides of the upper mold (1) and is respectively connected to vertically arranged guide columns (13); the top surface of the guide column (13) is connected to a fixed plate (14); a cylinder (15) is arranged in the middle of the fixed plate (14); the bottom of the piston rod of the cylinder (15) is connected to a pull plate (16); and the bottom of the pull plate (16) is connected to the upper mold cover plate (2).

5. The multi-layer double-hook special-shaped hollow lattice plate forming die according to claim 1, characterized in that: The shaping block (9) comprises a longitudinally extending connection portion (91) and a side wall portion (92) located inside the connection portion (91) and extending vertically upwards, the bottom surface of the connection portion (91) being connected to the bottom surface of the mounting groove (8) by means of screws, and a strip clamping strip (93) being provided on the outer side surface of the side wall portion (92), a gap being left between the strip clamping strip (93) and the right adjustment block (6) or the left adjustment block (5), and the gap being adjusted by means of a driving mechanism (7).

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