Injection mold for refrigerator drawer production

Abstract

The utility model relates to an injection mold for refrigerator drawer production. The injection mold for refrigerator drawer production comprises a bottom block, a fixed mold base, a forming block, a side mold, a forming mold head, a movable mold base, a first cooling pipeline, an ejection block, a second cooling pipeline, a driving adjusting assembly, an adjusting mechanism and a tensioning mechanism, and the fixed mold base is arranged on the bottom block; the forming block is arranged on the fixed die holder; the side mold is arranged on the fixed mold base through the driving adjusting assembly; the forming die head is arranged on the side die, and a forming groove matched with the forming die head is formed in the forming block; one end, away from the fixed mold base, of the side mold and one end, away from the fixed mold base, of the forming block are located in the cavity; a first cooling pipeline is arranged on each of the fixed mold base, the movable mold base, the side mold and the forming block; one part of the second cooling pipeline is arranged on the pushing block; the adjusting mechanism is connected with the pushing block; and the tensioning mechanism is connected with the second cooling pipeline. The injection mold has the effect of ensuring the quality of injection products.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of injection molds, in particular to an injection mold for refrigerator drawer production. BACKGROUND

[0002] The refrigerator drawer is generally formed by injection molding, that is, molten plastic is injected into a mold, and then the molded product is taken out by a demolding mechanism after cooling.

[0003] At present, a kind of injection mold for producing refrigerator drawer is disclosed in Chinese patent CN213860489U, which comprises an upper mold and a lower mold. The lower mold is provided with a core near one end of the upper mold. The upper mold is provided with a cavity near one end of the lower mold, which abuts the side of the core. Each side end of the core is provided with a first forming slider that slides outward. The first forming slider and the core form a cavity for slide rail forming. One side end of the core is provided with a second forming slider that slides outward. The second forming slider and the core form a cavity for handle forming. A top block is embedded on the core. The end of the top rod away from the top plate is fixed to one end of the top block through a thread, so that the top plate moves to one side of the lower mold. The top block is driven out by the top rod, thereby ejecting the refrigerator drawer formed on the core.

[0004] When demolding, the side of the injection molded product near the top block may not cool well due to the presence of the top block. Therefore, when the top block pushes the injection molded product, the product may deform, resulting in poor quality of the injection molded product. Practical new type content

[0005] In order to ensure the quality of the injection molded product, the application provides an injection mold for refrigerator drawer production.

[0006] The injection mold for refrigerator drawer production provided by the application adopts the following technical scheme:

[0007] The utility model provides an injection mould for refrigerator drawer production, including bottom block, fixed mould base, forming block, side mould, forming die head, movable die base, first cooling pipeline, push up block, second cooling pipeline, drive adjustment assembly, adjustment mechanism and tensioning mechanism, the fixed mould base sets up on the bottom block, the forming block sets up on the fixed mould base, the side mould passes through drive adjustment assembly and sets up on the fixed mould base, the forming die head sets up on the side mould, and the forming groove of the forming die head is seted up on the forming block, the movable die base is seted up with the cavity, and the movable die base is seted up with the injection moulding hole that communicates with the cavity, the one end of side mould away from the fixed mould base and the one end of forming block away from the fixed mould base are all located in the cavity, and the clearance between the forming block and the movable die base, the clearance between the forming die head and the forming block, the clearance between the side mould and the forming block, the clearance between the side mould and the movable die base form injection area, the fixed mould base, movable die base, side mould and forming block all are provided with first cooling pipeline, and the first through -hole is seted up on the forming block, and the second through -hole that is connected with the forming block is seted up on the fixed mould base, one end of push up block passes through the second through -hole and is located in the first through -hole, and the part of second cooling pipeline sets up on the push up block, the adjustment mechanism sets up on the bottom block and is connected with push up block, and the tensioning mechanism sets up on the bottom block and is connected with second cooling pipeline.

[0008] Through the above technical scheme, the molten plastic is injected into the injection area through the injection hole on the movable die base, and the molten plastic forms the refrigerator drawer in the injection area; when the injection is completed, the movable die base is moved away from the fixed die base, and the side die and the forming block are no longer located in the cavity; then the drive adjustment assembly is started to rotate the side die, the forming die head on the side die is moved, the forming die head is no longer located in the forming groove of the forming block, and there is a certain demolding space between the side die and the forming block; then the adjustment mechanism is started, the push up block is moved by the adjustment mechanism, and the product is moved by the push up block, thereby completing the demolding operation; the first cooling pipeline and the second cooling pipeline can better cool the product to ensure the quality of the injection product, and the second cooling pipeline can cool the product that is pushed by the push up block, thereby reducing the deformation of the product when the push up block pushes the product, thereby ensuring the quality of the injection product; the tensioning mechanism can tension the second cooling pipeline to reduce the phenomenon that the second cooling pipeline is wound together.

[0009] Optionally, the adjusting mechanism comprises an adjusting block, a guide rod, a first spring and a driving member, the bottom block is provided with an adjusting cavity, the guide rod is arranged in the adjusting cavity, the adjusting block is provided with a third through hole for the guide rod to pass through, and the push block is connected with the adjusting block; the first spring is sleeved on the guide rod, one end of the first spring is connected with the fixed mold base and the other end is connected with the adjusting block; and the driving member is connected with the adjusting block.

[0010] By adopting the above technical scheme, when the push block needs to push the injection-molded product, the driving member is started first, the driving member drives the adjusting block to move towards the fixed mold base, the adjusting block drives the push block to move, the end of the push block away from the adjusting block will extend out of the first through hole on the forming block, and the push block will push the injection-molded product to move, thereby completing the demolding operation.

[0011] Optionally, the tensioning mechanism comprises a fixed ring, a guide ring, a fixed block, a moving block, a tensioning block and an adjusting assembly, the fixed ring is arranged on the bottom block, one end of the second cooling pipe away from the push block is connected with the fixed ring; a plurality of guide rings are arranged, and the plurality of guide rings are arranged on the adjusting block, and the second cooling pipe passes through the guide rings; the fixed block is arranged on the bottom block, the moving block is arranged on the fixed block in a sliding mode through the adjusting assembly; the tensioning block is arranged on the moving block, and the tensioning block is provided with a fourth through hole and a fifth through hole for the second cooling pipe to pass through.

[0012] By adopting the above technical scheme, the second cooling pipe of the fixed ring passes through the fifth through hole, then passes through the fourth through hole, and then passes through the guide ring and is connected with the push block; when the push block drives the second cooling pipe to move, the adjusting block drives the moving block to slide in the sliding groove of the fixed block through the adjusting assembly, so that the second cooling pipe between the push block and the fixed ring is still in a tensioning state; the tensioning mechanism arranged can tension the second cooling pipe, and the phenomenon that the second cooling pipes are wound together is reduced.

[0013] Optionally, the adjusting assembly comprises a first adjusting screw rod, a first bevel gear, a first adjusting block, a second adjusting block, a second adjusting screw rod and a second bevel gear, the fixed block is provided with a sliding groove, and the moving block is slidably arranged in the sliding groove; the tensioning block is arranged on the moving block; the first adjusting screw rod is rotatably arranged in the sliding groove, and the first adjusting screw rod passes through the moving block and is threadedly connected with the moving block; the first bevel gear is keyed on the first adjusting screw rod; the first adjusting block is arranged on the fixed block, and the first adjusting block is provided with a sliding hole; one end of the second adjusting block is slidably arranged in the sliding hole and the other end is connected with the adjusting block, and the second adjusting block is provided with an adjusting threaded hole; the second adjusting screw rod is rotatably arranged on the first adjusting block, one end of the first adjusting screw rod is threadedly matched with the adjusting threaded hole on the second adjusting block; and the second bevel gear is keyed on the second adjusting screw rod and is threadedly connected with the first adjusting screw rod.

[0014] By adopting the technical scheme, when the adjusting block moves, the second adjusting block slides in the sliding hole of the first adjusting block, the second adjusting screw rod rotates, the second adjusting screw rod drives the second bevel gear to rotate, the first bevel gear meshing with the second bevel gear drives the first screw rod to rotate, and the first screw rod drives the moving block to slide in the sliding groove of the fixed block.

[0015] Optionally, the tensioning block comprises a first connecting block, a second connecting block and a connecting bolt, the first connecting block is connected with the moving block, the second connecting block abuts against the first connecting block, and the connecting bolt is threadedly connected with the first connecting block through the second connecting block; the first connecting block and the second connecting block are both provided with a first half slot and a second half slot, the first half slot on the first connecting block and the first half slot on the second connecting block form the fourth through hole, and the second half slot on the first connecting block and the second half slot on the second connecting block form the fifth through hole; the fixed block is provided with a fixing mechanism connected with the bottom block, the fixing mechanism comprises a first clamping block, a second clamping block, a first fixing bolt and a second fixing bolt, the first clamping block is arranged on the fixed block, the bottom block is provided with a first clamping groove clamped with the first clamping block, the first fixing bolt is threadedly connected with the bottom block through the fixed block, the second clamping block is arranged on the second adjusting block, the adjusting block is provided with a second clamping groove clamped with the second clamping block, and the second fixing bolt is threadedly connected with the adjusting block through the second adjusting block.

[0016] By adopting the technical scheme, the first clamping block on the fixing block is first clamped with the first clamping groove, and the second clamping block is clamped with the second clamping groove; then the first fixing bolt is screwed with the bottom block through the fixing block, and the second fixing bolt is screwed with the adjusting block through the second adjusting block; then a part of the second cooling pipe is placed in the first half groove and the second half groove of the first connecting block, then the second connecting block abuts against the first connecting block, and the second cooling pipe also abuts against the sidewalls of the first half groove and the second half groove on the second connecting block; finally, the connecting bolt is screwed with the first connecting block through the second connecting block.

[0017] Optionally, the first adjusting block is provided with a positioning mechanism, the positioning mechanism comprises a first positioning block, a second positioning block, a second spring and a positioning pin, the first positioning block is slidingly arranged on the first adjusting block, and a positioning groove for clamping the first positioning block is formed in the second adjusting block; the second spring connects the first positioning block and the first adjusting block; the second positioning block is arranged on the first adjusting block, a second positioning hole is formed in the second positioning block, a first positioning hole is formed in the first positioning block, and one end of the positioning pin passes through the first positioning hole and the other end passes through the second positioning hole.

[0018] By adopting the technical scheme, when the first clamping block and the first clamping groove are to be clamped, and the second clamping block and the second clamping groove are to be clamped, the first positioning block is clamped with the positioning groove; after the first clamping block and the first clamping groove are clamped, and the second clamping block and the second clamping groove are clamped, the first positioning block is first pulled to separate the first positioning block from the positioning groove on the second adjusting block; then one end of the positioning pin passes through the second positioning hole on the second positioning block and the first positioning hole on the first positioning block; the positioning mechanism can facilitate the connection between the second clamping block on the second adjusting block and the adjusting block, and will not affect the sliding of the second adjusting block in the sliding hole after the second clamping block and the second clamping groove are clamped.

[0019] Optionally, the driving and adjusting assembly comprises a fixing seat, a first air cylinder, a moving block, a rotating shaft, a second air cylinder and a pulling rod, the fixing seat is arranged on the mold base, the first air cylinder is arranged on the fixing seat, and the moving block is arranged on the piston rod of the first air cylinder; the rotating shaft is rotatably arranged on the moving block, and the side mold is connected with the rotating shaft; the second air cylinder is arranged on the fixing seat, one end of the pulling rod is rotatably connected with the piston rod of the second air cylinder, and the other end is rotatably connected with the side mold.

[0020] By adopting the technical scheme, the second air cylinder is started, the piston rod of the second air cylinder drives the pulling rod to move, the pulling rod drives the side mold to rotate, so that the forming die head on the side mold is no longer located in the forming groove; then the first air cylinder and the second air cylinder are started at the same time, the piston rod of the first air cylinder drives the moving block to move away from the forming block, so that a certain demolding space exists between the side mold and the forming block.

[0021] Optionally, the mold base is provided with a locking mechanism, the locking mechanism comprising a third cylinder and a locking block, the third cylinder being arranged on the fixed base, and the locking block being arranged on a piston rod of the third cylinder and capable of abutting against the side mold.

[0022] By using the above technical scheme, when the molding die head on the side mold is located in the molding groove of the molding block, the locking block abuts against the side mold, reducing the movement of the side mold, thereby ensuring the injection molding quality.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The first cooling pipeline and the second cooling pipeline are arranged to better cool the product and ensure the quality of the injection molded product, and the second cooling pipeline is arranged to cool the product abutting against the push block, reducing the deformation of the product when the push block pushes the product, thereby ensuring the quality of the injection molded product.

[0025] 2. The locking mechanism is arranged to improve the stability of the side mold during injection molding, thereby ensuring the quality of the injection molding. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 FIG. 1 is a structural schematic diagram of an injection mold for a refrigerator drawer in an embodiment of the present application;

[0027] Figure 2 FIG. 2 is a structural schematic diagram of an adjusting mechanism in an embodiment of the present application;

[0028] Figure 3 FIG. 3 is a structural schematic diagram of a driving adjusting assembly in an embodiment of the present application;

[0029] Figure 4 FIG. 4 is a structural schematic diagram of an adjusting assembly in an embodiment of the present application;

[0030] Figure 5 FIG. 5 is a structural schematic diagram of a fixing mechanism in an embodiment of the present application;

[0031] Figure 6 FIG. 6 is a structural schematic diagram of a positioning mechanism in an embodiment of the present application.

[0032] 11, bottom block; 111, adjusting cavity; 12, fixed mold base; 13, forming block; 14, side mold; 15, forming die head; 16, movable mold base; 161, cavity; 162, injection hole; 17, push block; 18, second cooling pipeline; 2, driving adjusting assembly; 21, fixed seat; 22, first air cylinder; 23, moving block; 24, rotating shaft; 25, second air cylinder; 26, pulling rod; 3, adjusting mechanism; 31, adjusting block; 32, guide rod; 33, first spring; 4, tensioning mechanism; 41, fixed ring; 42, guide ring; 43, fixed block; 431, sliding groove; 44, moving block; 45, tensioning block; 451, first connecting block; 4511, first half slot; 4512, second half slot; 452, second connecting block; 453, connecting bolt; 46, adjusting assembly; 461, first adjusting screw; 462, first bevel gear; 463, first adjusting block; 464, second adjusting block; 465, second adjusting screw; 466, second bevel gear; 51, first clamping block; 52, second clamping block; 53, first fixing bolt; 54, second fixing bolt; 6, positioning mechanism; 61, first positioning block; 62, second positioning block; 63, second spring; 64, positioning pin; 7, locking mechanism; 71, third air cylinder; 72, locking block. DETAILED DESCRIPTION

[0033] The following will be described in detail below with reference to the accompanying drawings. Figures 1-6 The application is further described in detail.

[0034] The application discloses an injection mold for refrigerator drawer production.

[0035] Reference Figure 1 And Figure 2 An injection mold for refrigerator drawer production, comprising a bottom block 11, a fixed mold base 12 is fixedly connected to the bottom block 11; a movable mold base 16 is arranged at one end of the fixed mold base 12 away from the bottom block 11, and a cavity 161 and an injection hole 162 communicating with the cavity 161 are arranged on the movable mold base 16. A forming block 13 is fixedly connected to one end of the fixed mold base 12 away from the bottom block 11, and a driving adjusting assembly 2 is arranged on one side of the fixed mold base 12 away from the forming block 13, a side mold 14 is arranged on the driving adjusting assembly 2, a forming die head 15 is arranged on one side of the side mold 14 close to the forming block 13, and a forming groove for placing the forming die head 15 is arranged on the forming block 13. When the forming die head 15 is located in the forming groove and the movable mold base 16 abuts against the fixed mold base 12, one end of the side mold 14 away from the fixed mold base 12 and one end of the forming block 13 away from the fixed mold base 12 are located in the cavity 161, and the gap between the forming block 13 and the movable mold base 16, the gap between the forming die head 15 and the forming block 13, the gap between the side mold 14 and the forming block 13, and the gap between the side mold 14 and the movable mold base 16 form an injection area.

[0036] The refrigerator drawer is formed by injecting the molten plastic into the injection area through the injection hole 162 on the movable die seat 16.

[0037] With reference Figure 2 and Figure 3 , the fixed die seat 12 is provided with a driving adjustment assembly 2, which comprises a fixed seat 21 fixedly connected to the fixed die seat 12, two first air cylinders 22 provided on the fixed seat 21, two moving blocks 23 connected to the piston rods of the two first air cylinders 22, a same rotating shaft 24 rotatably connected to the two moving blocks 23, and the side die 14 fixedly connected to the rotating shaft 24. The fixed seat 21 is provided with a second air cylinder 25 located between the two first air cylinders 22, and a pulling rod 26 rotatably connected to the piston rod of the second air cylinder 25. An end of the pulling rod 26 away from the piston rod of the second air cylinder 25 is rotatably connected to the side die 14.

[0038] When the injection is completed, the movable die seat 16 is first moved away from the fixed die seat 12, and neither the side die 14 nor the forming block 13 is located in the cavity 161. Then the second air cylinder 25 is started, the piston rod of the second air cylinder 25 drives the pulling rod 26 to move, the pulling rod 26 drives the side die 14 to rotate, so that the forming die head 15 on the side die 14 is no longer located in the forming groove of the forming block 13. Then the first air cylinder 22 and the second air cylinder 25 are started at the same time, the piston rod of the first air cylinder 22 drives the moving block 23 to move away from the forming block 13, so that a certain demolding space exists between the side die 14 and the forming block 13.

[0039] With reference Figure 2 and Figure 3 , an end of the side die 14 away from the forming block 13 is provided with a locking groove, and the fixed seat 21 is provided with a locking mechanism 7, which comprises a third air cylinder 71 fixedly connected to the fixed seat 21, and a locking block 72 connected to the piston rod of the third air cylinder 71. An end of the locking block 72 away from the third air cylinder 71 abuts against the side wall of the locking groove.

[0040] When the forming die head 15 on the side die 14 is located in the forming groove of the forming block 13, the locking block 72 abuts against the side wall of the locking groove, so as to reduce the movement of the side die 14 away from the forming block 13. Before the forming die head 15 needs to move out of the forming groove, the third air cylinder 71 is started, so that the locking block 72 no longer abuts against the side wall of the locking groove.

[0041] With reference Figure 2 and Figure 4 , the fixed die seat 12, the movable die seat 16, the forming block 13 and the side die 14 are all provided with first cooling pipelines. The bottom block 11 is provided with an adjusting cavity 111.

[0042] The first through hole is arranged on the forming block 13, and the second through hole is arranged on the fixed die seat 12 and communicates with the first through hole; the push-up block 17 is arranged on the bottom block 11, one end of the push-up block 17 is located in the adjusting cavity 111, and the other end of the push-up block 17 away from the bottom block 11 passes through the second through hole on the fixed die seat 12 and is located in the first through hole of the forming block 13. The second cooling pipe is arranged on the bottom block 11, and a part of the second cooling pipe is fixedly arranged on the push-up block 17.

[0043] With reference to Figure 2 and Figure 4 , the adjusting mechanism 3 is arranged on the bottom block 11, the adjusting mechanism 3 comprises the guide rod 32 located in the adjusting cavity 111, one end of the guide rod 32 is fixedly connected with the bottom block 11 and the other end is fixedly connected with the fixed die seat 12; the adjusting block 31 is arranged in the adjusting cavity 111, and the third through hole is arranged on the adjusting block 31 and the guide rod 32 passes through the third through hole; the first spring 33 is sleeved on the guide rod 32, one end of the first spring 33 is connected with the adjusting block 31 and the other end is connected with the fixed die seat 12. The driving part is arranged on the fixed die seat 12, and the driving part can be located in the fourth cylinder in the embodiment, the fourth cylinder is arranged on the fixed die seat 12, and the piston rod of the fourth cylinder is connected with the adjusting block 31.

[0044] When the refrigerator drawer after injection molding needs to be demolded, the movable die seat 16 is first moved away from the fixed die seat 12, then the forming die head is no longer located in the forming groove, and then the side die 14 is moved away from the forming block 13. Then the fourth cylinder is started, the piston rod of the fourth cylinder drives the adjusting block 31 to move towards the fixed die seat 12, the adjusting block 31 drives the push-up block 17 to move, and the end of the push-up block 17 away from the adjusting block 31 will protrude out of the first through hole on the forming block 13, and the push-up block 17 will push the refrigerator drawer after injection molding to move, thereby completing the demolding operation.

[0045] With reference to Figure 4 and Figure 5 , in order to reduce the phenomenon that the second cooling pipe is wound together during demolding. The tensioning mechanism 4 is arranged on the bottom block 11, the tensioning mechanism 4 comprises the fixed ring 41 fixedly connected with the bottom block 11, and a part of the second cooling pipe is fixedly connected with the fixed ring 41; the plurality of guide rings 42 are fixedly connected with the adjusting block 31, and the second cooling pipe between the fixed ring 41 and the push-up block 17 passes through the plurality of guide rings 42.

[0046] The fixed block 43 is arranged on the bottom block 11, the fixing mechanism is arranged on the fixed block 43, the fixing mechanism comprises the first clamping block 51 integrally arranged on the fixed block 43, and the first clamping groove is arranged on the bottom block 11 and matched with the first clamping block 51; the first fixing bolt 53 is arranged on the bottom block 11 and is threadedly connected with the bottom block 11 through the fixed block 43.

[0047] With reference toFigure 5 And Figure 6 The fixed block 43 is provided with a sliding groove 431, and a moving block 44 is slidably connected in the sliding groove 431. The moving block 44 is provided with a tensioning block 45. The tensioning block 45 comprises a first connecting block 451 fixedly connected with the moving block 44. The first connecting block 451 is provided with a second connecting block 452. The second connecting block 452 is provided with a connecting bolt 453. The second connecting block 452 through the connecting bolt 453 is threadedly connected with the first connecting block 451. The first connecting block 451 and the second connecting block 452 are both provided with a first half slot 4511 and a second half slot 4512 on the side close to each other. The first half slot 4511 on the first connecting block 451 and the first half slot 4511 on the second connecting block 452 form a fourth through hole. The second half slot 4512 on the first connecting block 451 and the second half slot 4512 on the second connecting block 452 form a fifth through hole. The second cooling pipe away from the fixed ring 41 passes through the fifth through hole, then passes through the fourth through hole, and then passes through the guide ring 42 and is connected with the push block 17.

[0048] Reference Figure 5 And Figure 6 The fixed block 43 is provided with an adjusting assembly 46. The adjusting assembly 46 comprises a first adjusting lead screw 461 rotatably connected in the sliding groove 431. The first adjusting lead screw 461 passes through the moving block 44 and is threadedly connected with the moving block 44. One end of the first adjusting lead screw 461 is key-connected with a first bevel gear 462. The fixed block 43 is fixedly connected with a first adjusting block 463. The first adjusting block 463 is provided with a sliding hole. A second adjusting block 464 is slidably connected in the sliding hole. One end of the second adjusting block 464 away from the fixed block 43 is integrally provided with a second clamping block 52. The adjusting block 31 is provided with a second clamping groove clamped with the second clamping block 52. The second adjusting block 464 is provided with a second fixing bolt 54. The second fixing bolt 54 passes through the second adjusting block 464 and is threadedly connected with the adjusting block 31.

[0049] The second adjusting block 464 located in the sliding hole is provided with an adjusting threaded hole. The first adjusting block 463 is rotatably connected with a second adjusting lead screw 465 in the sliding hole. One end of the second adjusting lead screw 465 is located in the adjusting threaded hole of the second adjusting block 464 and threadedly matches with the adjusting threaded hole. One end of the second adjusting lead screw 465 away from the second adjusting lead screw 465 is key-connected with a second bevel gear 466 meshed with the first bevel gear 462.

[0050] First, the first clamping block 51 on the fixed block 43 is clamped with the first clamping groove on the bottom block 11, and the second clamping block 52 on the second adjusting block 464 is clamped with the second clamping groove on the adjusting block 31. Then, the first fixing bolt 53 passes through the fixed block 43 and is threadedly connected with the bottom block 11, and the second fixing bolt 54 passes through the second adjusting block 464 and is threadedly connected with the adjusting block 31.

[0051] Then, a part of the second cooling pipe is placed in the first half slot 4511 and the second half slot 4512 of the first connecting block 451, then the second connecting block 452 is abutted against the first connecting block 451, and the second cooling pipe is also abutted against the sidewalls of the first half slot 4511 and the second half slot 4512 of the second connecting block 452; and then the connecting bolt 453 is screwed through the second connecting block 452 and the first connecting block 451.

[0052] When the adjusting block 31 moves, i.e. the second cooling pipe is moved by the push block 17; the adjusting block 31 drives the second clamping block 52 to move, the second clamping block 52 drives the second adjusting block 464 to slide in the sliding hole of the first adjusting block 463, because the adjusting screw hole on the second adjusting block 464 is threadedly connected with the second adjusting screw rod 465, so when the second adjusting block 464 slides in the sliding hole of the first adjusting block 463, the second adjusting screw rod 465 rotates, the second adjusting screw rod 465 drives the second bevel gear 466 to rotate, the second bevel gear 466 drives the first bevel gear 462 to rotate, the first bevel gear 462 drives the first screw rod to rotate, and the first screw rod drives the moving block 44 to slide in the sliding groove 431 of the fixed block 43; in this way, the second cooling pipe between the push block 17 and the fixed ring 41 is still in a tensioned state.

[0053] Reference Figure 5 And Figure 6 A sixth through hole is formed in the first adjusting block 463 and in communication with the sliding hole, and the first adjusting block 463 is provided with a positioning mechanism 6, the positioning mechanism 6 comprises a first positioning block 61 which is slidably connected in the sixth through hole, and the second adjusting block 464 is provided with a positioning groove which is clamped with the first positioning block 61. The first positioning block 61 is connected with a second spring 63, one end of the second spring 63 away from the first positioning block 61 is connected with the first adjusting block 463; the first positioning block 61 is provided with a first positioning hole; the sidewall of the first adjusting block 463 is fixedly connected with a second positioning block 62, and the second positioning block 62 is provided with a second positioning hole; the first adjusting block 463 is provided with a connecting rope, the connecting rope is connected with a positioning pin 64 which is in the shape of a trident, one end of the positioning pin 64 passes through the first positioning hole of the first positioning block 61 and the other end passes through the second positioning hole of the second positioning block 62.

[0054] When the first clamping block 51 is to be clamped with the first clamping slot on the bottom block 11, and the second clamping block 52 is to be clamped with the second clamping slot on the adjusting block 31, the first positioning block 61 is to be clamped with the positioning slot on the second adjusting block 464, and the second spring 63 is in the normal state. After the first clamping block 51 is clamped with the first clamping slot, and the second clamping block 52 is clamped with the second clamping slot, the first positioning block 61 is first pulled to be separated from the positioning slot on the second adjusting block 464; then one end of the positioning pin 64 is passed through the second positioning hole on the second positioning block 62 and the first positioning hole on the first positioning block 61, so that the first positioning block 61 is no longer clamped with the positioning slot on the second adjusting block 464 and does not affect the sliding of the second adjusting block 464 in the sliding hole.

[0055] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, equivalent changes made on the basis of the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An injection mold for refrigerator drawer production, characterized by, The utility model relates to a kind of injection molding machine, including bottom block (11), fixed die seat (12), forming block (13), side mould (14), forming die head (15), movable die seat (16), first cooling pipeline, push top block (17), second cooling pipeline (18), drive adjustment assembly (2), adjusting mechanism (3) and tensioning mechanism (4), The fixed die seat (12) is arranged on the bottom block (11); The forming block (13) is arranged on the fixed die seat (12); The side mould (14) is arranged on the fixed die seat (12) by the drive adjustment assembly (2); The forming die head (15) is arranged on the side mould (14), and a forming groove of the forming die head (15) is formed in the forming block (13); The movable die seat (16) is provided with a cavity (161), and the movable die seat (16) is provided with an injection hole (162) in communication with the cavity (161); one end of the side mould (14) away from the fixed die seat (12) and one end of the forming block (13) away from the fixed die seat (12) are located in the cavity (161); the gap between the forming block (13) and the movable die seat (16), the gap between the forming die head (15) and the forming block (13), the gap between the side mould (14) and the forming block (13), and the gap between the side mould (14) and the movable die seat (16) form an injection area; The fixed die seat (12), the movable die seat (16), the side mould (14) and the forming block (13) are all provided with the first cooling pipeline; The forming block (13) is provided with a first through hole, and the fixed die seat (12) is provided with a second through hole connected with the forming block (13); One end of the push top block (17) passes through the second through hole and is located in the first through hole, and a part of the second cooling pipeline (18) is arranged on the push top block (17); The adjusting mechanism (3) is arranged on the bottom block (11) and connected with the push top block (17); The tensioning mechanism (4) is arranged on the bottom block (11) and connected with the second cooling pipeline (18).

2. The injection mold for a refrigerator drawer according to claim 1, wherein The adjusting mechanism (3) comprises an adjusting block (31), a guide rod (32), a first spring (33) and a driving member, The bottom block (11) is provided with an adjusting cavity (111), and the guide rod (32) is arranged in the adjusting cavity (111), The adjusting block (31) is provided with a third through hole through which the guide rod (32) passes, and the push top block (17) is connected with the adjusting block (31); The first spring (33) is sleeved on the guide rod (32), one end of the first spring (33) is connected with the fixed die seat (12), and the other end is connected with the adjusting block (31); The driving member is connected with the adjusting block (31).

3. The injection mold for a refrigerator drawer according to claim 2, wherein The tensioning mechanism (4) comprises a fixed ring (41), a guide ring (42), a fixed block (43), a moving block (44), a tensioning block (45) and an adjusting assembly (46), The fixed ring (41) is arranged on the bottom block (11), and one end of the second cooling pipe away from the push block (17) is connected with the fixed ring (41); The guide ring (42) is arranged in plurality, and the plurality of guide rings (42) are arranged on the adjusting block (31), and the second cooling pipe passes through the guide ring (42); The fixed block (43) is arranged on the bottom block (11), and the moving block (44) is arranged on the fixed block (43) through the adjusting assembly (46); The tensioning block (45) is arranged on the moving block (44), and the fourth through hole and the fifth through hole for the second cooling pipe to pass through are arranged on the tensioning block (45).

4. The injection mold for a refrigerator drawer according to claim 3, wherein The adjusting assembly (46) comprises a first adjusting screw rod (461), a first bevel gear (462), a first adjusting block (463), a second adjusting block (464), a second adjusting screw rod (465) and a second bevel gear (466), The fixed block (43) is arranged on the bottom block (11), and the moving block (44) is arranged on the fixed block (43) through the adjusting assembly (46); The first adjusting screw rod (461) is rotatably arranged in the sliding groove (431), and the first adjusting screw rod (461) passes through the moving block (44) and is threadedly connected with the moving block (44); The first bevel gear (462) is key-connected on the first adjusting screw rod (461); The first adjusting block (463) is arranged on the fixed block (43), and a sliding hole is arranged on the first adjusting block (463); One end of the second adjusting block (464) is slidably arranged in the sliding hole, and the other end is connected with the adjusting block (31), and an adjusting threaded hole is arranged on the second adjusting block (464); The second adjusting screw rod (465) is rotatably arranged on the first adjusting block (463), and one end of the first adjusting screw rod (461) is threadedly matched with the adjusting threaded hole on the second adjusting block (464); The second bevel gear (466) is key-connected on the second adjusting screw rod (465) and is threadedly connected with the first adjusting screw rod (461).

5. The injection mold for a refrigerator drawer according to claim 4, wherein The tensioning block (45) comprises a first connecting block (451), a second connecting block (452) and a connecting bolt (453), the first connecting block (451) is connected with the moving block (44), the second connecting block (452) abuts against the first connecting block (451), and the connecting bolt (453) is threadedly connected with the first connecting block (451) through the second connecting block (452); first half grooves (4511) and second half grooves (4512) are formed in the first connecting block (451) and the second connecting block (452), the first half groove (4511) in the first connecting block (451) and the first half groove (4511) in the second connecting block (452) form the fourth through hole, and the second half groove (4512) in the first connecting block (451) and the second half groove (4512) in the second connecting block (452) form the fifth through hole; The fixed block (43) is provided with a fixing mechanism connected with the bottom block (11), the fixing mechanism comprises a first clamping block (51), a second clamping block (52), a first fixing bolt (53) and a second fixing bolt (54), The first clamping block (51) is arranged on the fixed block (43), and a first clamping groove matched with the first clamping block (51) is formed in the bottom block (11); the first fixing bolt (53) is threadedly connected with the bottom block (11) through the fixed block (43); The second clamping block (52) is arranged on the second adjusting block (464), and a second clamping groove matched with the second clamping block (52) is formed in the adjusting block (31); the second fixing bolt (54) is threadedly connected with the adjusting block (31) through the second adjusting block (464).

6. The injection mold for a refrigerator drawer according to claim 5, wherein The first adjusting block (463) is provided with a positioning mechanism (6), and the positioning mechanism (6) comprises a first positioning block (61), a second positioning block (62), a second spring (63) and a positioning pin (64), The first positioning block (61) is arranged on the first adjusting block (463) in a sliding mode, and a positioning groove matched with the first positioning block (61) is formed in the second adjusting block (464); The second spring (63) connects the first positioning block (61) and the first adjusting block (463); The second positioning block (62) is arranged on the first adjusting block (463), a second positioning hole is formed in the second positioning block (62), a first positioning hole is formed in the first positioning block (61), and one end of the positioning pin (64) penetrates through the first positioning hole and the other end penetrates through the second positioning hole.

7. The injection mold for a refrigerator drawer according to claim 1, wherein The driving adjusting assembly (2) comprises a fixed seat (21), a first air cylinder (22), a moving block (23), a rotating shaft (24), a second air cylinder (25) and a pulling rod (26), The fixed seat (21) is arranged on the fixed die seat (12), the first cylinder (22) is arranged on the fixed seat (21), and the moving block (23) is arranged on the piston rod of the first cylinder (22); the rotating shaft (24) is rotatably arranged on the moving block (23), and the side die (14) is connected with the rotating shaft (24); The second cylinder (25) is arranged on the fixed seat (21), one end of the pulling rod (26) is rotatably connected with the piston rod of the second cylinder (25), and the other end is rotatably connected with the side die (14).

8. The injection mold for a refrigerator drawer according to claim 7, wherein The fixed die seat (12) is provided with a locking mechanism (7), the locking mechanism (7) comprises a third cylinder (71) and a locking block (72), the third cylinder (71) is arranged on the fixed seat (21), the locking block (72) is arranged on the piston rod of the third cylinder (71), and the locking block (72) can abut against the side die (14).

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