Punching die for refrigerating door shell of refrigerator

Abstract

The utility model discloses a punching die for a refrigeration door shell of a refrigerator, belongs to the technical field of processing of refrigeration door shells of refrigerators, and aims to solve the problems that although a dismounting and replacing structure of a top die and a bottom die is provided in the prior art, a worker needs to dismount and mount a bolt rod for many times to achieve the purpose of dismounting and mounting the top die; the process is time-consuming and labor-consuming, and meanwhile, a hand is possibly scratched by a punching cutter when the bolt is assembled and disassembled, so that certain potential safety hazards exist. Comprising a main body, a telescopic air cylinder is installed in the middle of the upper portion of the main body, the extending end of the telescopic air cylinder is connected with a connecting and installing guide frame, guide rods for the connecting and installing guide frame to move are fixedly arranged at the four corners of a machining area of the main body, and a lower installing frame is fixedly arranged below the connecting and installing guide frame; a portable dismounting and mounting mechanism is jointly mounted in the middle of the lower mounting frame and the surface of the machining table of the main body, a storage mechanism is arranged on the lower section of the main body, the portable dismounting and mounting mechanism comprises an assembling groove, the assembling groove is formed in the middle of the lower mounting frame, and a top mounting die is movably assembled in the middle of the assembling groove.

Description

Technical Field

[0001] This utility model belongs to the field of refrigerator door shell processing technology, specifically relating to a punching die for a refrigerator door shell. Background Technology

[0002] A refrigerator is a refrigeration device that maintains a constant low temperature. It is also a consumer product that keeps food or other items in a constant low temperature state. During the production and processing of refrigerators, the refrigerator door shell needs to be punched, which requires the use of punching dies.

[0003] For example, patent CN214601396U discloses a punching die for processing refrigerator door panels, including a base box. A worktable is bolted to the top outer wall of the base box, and support rods are welded to the top outer wall of the worktable near the four corners. A top plate is welded to the top of the support rods, and a telescopic cylinder is bolted to the top outer wall of the top plate near the center. The output end of the telescopic cylinder extends through to the bottom outer wall of the top plate, and a connecting plate is bolted to the output end of the telescopic cylinder. An mounting plate is bolted to the bottom outer wall of the connecting plate, and a top die is slidably connected inside the mounting plate. Cutting blades are integrally formed on both sides of the bottom outer wall of the top die.

[0004] Although the above-mentioned punching die provides a structure for replacing the top die and the bottom die during use, the disassembly and assembly of the top die requires personnel to disassemble and assemble the bolt rods multiple times. This process is time-consuming and laborious, and there is a risk of being cut by the punching blade when installing or removing the bolts, which poses a certain safety hazard. Utility Model Content

[0005] (1) Technical problems to be solved

[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a punching die for refrigerator door shell. The purpose is to solve the problem that although the existing technology provides a top die and bottom die replacement structure, the disassembly and assembly of the top die requires personnel to disassemble and assemble the bolt rods multiple times. This process is time-consuming and laborious, and there is a certain safety hazard that may be caused by the punching cutter cutting hands when installing and removing bolts.

[0007] (2) Technical solution

[0008] To solve the above-mentioned technical problems, this utility model provides a punching die for a refrigerator door shell, including a main body. A telescopic cylinder is installed in the upper center of the main body, and the extended end of the telescopic cylinder is connected to a connecting guide. Guide rods for the connecting guide to move are fixed at the four corners of the processing area of ​​the main body, and a lower mounting frame is fixed below the connecting guide. A portable disassembly and assembly mechanism is jointly installed in the middle of the lower mounting frame and the processing table surface of the main body. A storage mechanism is provided in the lower section of the main body. The portable disassembly and assembly mechanism includes an assembly slot, which is opened in the middle of the lower mounting frame. A top mounting mold is movably assembled in the middle of the assembly slot, and cutting blades are fixed on both sides below the top mounting mold. A first disassembly and assembly component is installed in the middle of the lower mounting frame. A bottom mold is installed on the processing table surface of the main body, and a second disassembly and assembly component is jointly installed at the four corners of the processing table surface of the main body and the bottom mold.

[0009] Furthermore, the first assembly / disassembly assembly includes positive and negative lead screws, which are installed on one side of the lower assembly frame. One end of the positive and negative lead screws is connected to a torsion block, and lead screw sleeves are screwed on both sides of the middle part of the positive and negative lead screws. Connecting frames are fixed on the inner sides of the two lead screw sleeves, and guide sleeves are fixed on the ends of the two connecting frames. A guide post for guiding the guide sleeves is fixed on the other side of the lower assembly frame. Lower connecting blocks are fixed below the two connecting frames, and limiting rods are provided on the inner sides of the two lower connecting blocks. Limiting grooves are provided on both sides of the top assembly mold.

[0010] Furthermore, the dimensions of the front section of the limiting rod match the dimensions of the limiting groove.

[0011] Furthermore, the second disassembly and assembly component includes scale markings, which are distributed at the front end of the main processing table. Each scale marking is provided with an alignment groove above the main processing table. Side fixing blocks are fixed on the four sides of the bottom mold, and alignment rods are fixed below the four side fixing blocks.

[0012] Furthermore, the alignment rod is sized to match the alignment groove.

[0013] Furthermore, the storage mechanism includes a preset slide groove, which is located at the lower front end of the main body. A collection slide is slidably mounted in the middle of the preset slide groove, and a pull rod is fixedly mounted at the front end of the collection slide. A support guide is provided below one end of the collection slide.

[0014] Furthermore, the preset chute and the collection carriage are equidistantly arranged along the lower section of the main body.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This invention involves placing the refrigerator door shell to be punched above the bottom mold beforehand. Then, the extension end of the telescopic cylinder is controlled to lower the connecting guide frame along the guide rod. Simultaneously, the lower frame below the connecting guide frame, along with the installed top mold and cutter, descend, effectively punching the refrigerator door shell above the bottom mold. For different punching specifications, the operator manually twists the blocks to rotate the forward and reverse lead screws. This causes the two lead screw sleeves interacting with the lead screws to disengage from the corresponding limiting rods on both sides of the top mold, guided by the guide sleeves and guide posts. The operator can then remove the top mold and cutter from the mounting slots of the lower frame and install the corresponding top mold and cutter. For bottom mold disassembly, the operator simply removes the alignment rods fixed below the four side fixing blocks and inserts them into the corresponding alignment slots. The matching bottom mold is then inserted into the corresponding alignment slots according to the scale markings.

[0018] The separate collecting carriage of this utility model contains top-mounted die cutters and bottom molds of different specifications. When needed, they can be pulled out and used by utilizing the mobility of the collecting carriage and the preset slide. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 A top-down view of the internal structure of the lower mounting frame;

[0022] Figure 3 This is a schematic diagram of the side view of the top-mounted mold structure;

[0023] Figure 4 for Figure 1 Schematic diagram of the structure at point A in the middle.

[0024] The labels in the attached diagram are as follows: 1. Main body; 2. Telescopic cylinder; 3. Connecting guide frame; 4. Guide rod; 5. Lower frame; 6. Portable disassembly and assembly mechanism; 61. Assembly slot; 62. Top mold; 63. Cutting knife; 64. First disassembly and assembly component; 641. Positive and negative lead screw; 642. Torsion block; 643. Lead screw sleeve; 644. Connecting frame; 645. Guide sleeve; 646. Guide post; 647. Lower connecting block; 648. Limiting rod; 649. Limiting groove; 65. Second disassembly and assembly component; 651. Scale mark; 652. Alignment groove; 653. Side fixing block; 654. Alignment rod; 66. Bottom mold; 7. Storage mechanism; 71. Pre-set slide groove; 72. Collection slide; 73. Pull rod; 74. Support guide frame. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This specific embodiment is a punching die for a refrigerator door shell, and its structural schematic diagram is shown below. Figures 1 to 4As shown, the system includes a main body 1. A telescopic cylinder 2 is installed at the upper center of the main body 1, and a connecting guide 3 is connected to the extended end of the telescopic cylinder 2. Guide rods 4 for the connecting guide 3 to move are fixed at the four corners of the processing area of ​​the main body 1, and a lower mounting frame 5 is fixed below the connecting guide 3. A portable disassembly and assembly mechanism 6 is jointly installed in the middle of the lower mounting frame 5 and the processing table surface of the main body 1. A storage mechanism 7 is provided in the lower section of the main body 1. The portable disassembly and assembly mechanism 6 includes an assembly slot 61, which is located in the middle of the lower mounting frame 5. A top mounting mold 62 is movably assembled in the middle of the assembly slot 61, and cutters 63 are fixed on both sides below the top mounting mold 62. A first disassembly and assembly component 64 is installed in the middle of the lower mounting frame 5. The first disassembly and assembly component 64 includes a positive and negative lead screw 641, and the positive and negative lead screw... Rod 641 is installed inside one side of the lower frame 5. One end of the positive and negative lead screw 641 is connected to a torsion block 642, and lead screw sleeves 643 are screwed on both sides of the middle part of the positive and negative lead screw 641. Connecting brackets 644 are fixed inside the two lead screw sleeves 643, and guide sleeves 645 are fixed at the ends of the two connecting brackets 644. Guide posts 646 for guiding the guide sleeves 645 are fixed inside the other side of the lower frame 5. Lower connecting blocks 647 are fixed below the two connecting brackets 644, and limiting rods 648 are respectively provided on the inner side of the two lower connecting blocks 647. Limiting grooves 649 are respectively provided on both sides of the top mold 62. The front part of the limiting rod 648 matches the opening size of the limiting groove 649. The bottom mold 66 is installed on the processing table surface of the main body 1, and the processing table surface of the main body 1 and The bottom mold 66 has a second disassembly assembly 65 installed at its four corners. The second disassembly assembly 65 includes scale markings 651, which are located at the front end of the processing table of the main body 1. Each scale marking 651 has an alignment groove 652 above the processing table of the main body 1. The bottom mold 66 has side fixing blocks 653 fixed at its four sides, and alignment rods 654 are fixed below the four side fixing blocks 653. The alignment rods 654 and alignment grooves 652 are matched in size. The operator first places the refrigerator door shell to be punched above the bottom mold 66, and then controls the extension end of the telescopic cylinder 2 to output and lower the connecting guide frame 3 along the guide rod 4. As a result, the lower mounting frame 5 below the connecting guide frame 3 and the installed top mold 62 and cutter 63 will descend synchronously. The lowering of the mold allows for effective punching of the refrigerator door panel above the bottom mold 66. When different punching specifications are involved, the operator first manually twists the lever 642 to rotate the positive and negative lead screws 641. At this time, the two lead screw sleeves 643 that interact with the lead screws can, along with the limiting rods 648 located at the inner end of the lower connecting block 647 at the bottom of the corresponding connecting frame 644, cooperate with the guide sleeves 645 and guide posts 646 to disengage from the corresponding limiting grooves 649 on both sides of the top mold 62. Thus, the operator can remove the top mold 62 and the cutter 63 along the assembly groove 61 of the lower frame 5, and then install the top mold 62 and the cutter 63 of the corresponding specifications. For the disassembly of the bottom mold 66, the operator only needs to remove the alignment rods 654 fixed below the side fixing blocks 653 on its four sides from the alignment groove 652.Then, insert the matching bottom mold 66 into the corresponding alignment rod 654 into the corresponding alignment slot 652, following the indication of the scale mark 651.

[0027] The storage mechanism 7 includes a preset slide 71, which is located at the lower front end of the main body 1. A collection slide 72 is slidably mounted in the middle of the preset slide 71, and a pull rod 73 is fixedly mounted at the front end of the collection slide 72. A support guide 74 is provided below one end of the collection slide 72. The preset slide 71 and the collection slide 72 are equidistantly arranged along the lower section of the main body 1. The separate collection slide 72 stores top mold 62 cutters 63 and bottom molds 66 of different specifications. When needed, the collection slide 72 and the preset slide 71 can be used to pull them out for use.

[0028] Working principle: The operator first places the refrigerator door shell to be punched above the bottom mold 66. Then, the extension end of the telescopic cylinder 2 is controlled to lower the connecting guide 3 along the guide rod 4. At this time, the lower frame 5 below the connecting guide 3, the installed top mold 62, and the cutter 63 will descend synchronously, so as to effectively punch the refrigerator door shell above the bottom mold 66. When different punching specifications are involved, the operator first manually twists the block 642 to rotate the positive and negative lead screws 641. At this time, the two lead screw sleeves 643 that interact with the lead screws can be guided by the limiting rods 648 set at the inner end of the lower connecting block 647 at the bottom of the corresponding connecting frame 644, and the guide sleeves 645 and guide posts 646 to disengage. The top mold 62 has corresponding limiting grooves 649 on both sides, allowing personnel to remove the top mold 62 and cutter 63 from the assembly groove 61 of the lower frame 5 and then install the top mold 62 and cutter 63 of the corresponding specifications. For the disassembly of the bottom mold 66, personnel only need to remove the alignment rod 654 fixed below the side fixing block 653 on all four sides and align the groove 652. Then, the matching bottom mold 66 is inserted into the corresponding groove 652 according to the scale mark 651. Finally, the separate collection slide 72 contains top mold 62 cutter 63 and bottom mold 66 of different specifications. When needed, the collection slide 72 and the preset slide groove 71 can be used to pull them out for use.

[0029] All technical features in this embodiment can be freely combined according to actual needs.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A punching die for a refrigerator door shell, comprising a main body (1), characterized in that, A telescopic cylinder (2) is installed at the upper center of the main body (1), and a connecting guide (3) is connected to the extended end of the telescopic cylinder (2). Guide rods (4) for the connecting guide (3) to move are fixed at the four corners of the processing area of ​​the main body (1), and a lower mounting frame (5) is fixed below the connecting guide (3). A portable disassembly and assembly mechanism (6) is jointly installed in the middle of the lower mounting frame (5) and on the processing table surface of the main body (1), and a storage mechanism (7) is provided in the lower section of the main body (1). (6) Includes an assembly slot (61), and the assembly slot (61) is located in the middle of the lower frame (5). A top mold (62) is movably assembled in the middle of the assembly slot (61), and cutters (63) are fixed on both sides below the top mold (62). A first disassembly assembly (64) is installed in the middle of the lower frame (5). A bottom mold (66) is installed on the processing table surface of the main body (1), and a second disassembly assembly (65) is jointly installed on the processing table surface of the main body (1) and the four corners of the bottom mold (66).

2. The punching die for a refrigerator door shell according to claim 1, characterized in that, The first assembly / disassembly assembly (64) includes a positive and negative lead screw (641), which is installed on one side of the lower assembly frame (5). One end of the positive and negative lead screw (641) is connected to a torsion block (642), and lead screw sleeves (643) are screwed on both sides of the middle part of the positive and negative lead screw (641). A connecting frame (644) is fixed on the inner side of the two lead screw sleeves (643), and a guide sleeve (645) is fixed at the end of the two connecting frames (644). A guide post (646) for guiding the guide sleeve (645) is fixed on the other side of the interior of the lower assembly frame (5). A lower connecting block (647) is fixed below the two connecting frames (644), and a limiting rod (648) is provided on the inner side of the two lower connecting blocks (647). A limiting groove (649) is provided on both sides of the top assembly mold (62).

3. The punching die for a refrigerator door shell according to claim 2, characterized in that, The front section of the limiting rod (648) matches the opening size of the limiting groove (649).

4. The punching die for a refrigerator door shell according to claim 1, characterized in that, The second disassembly and assembly component (65) includes scale markings (651), and the scale markings (651) are respectively located at the front end of the processing table of the main body (1). Each scale marking (651) is provided with an alignment groove (652) above the processing table of the main body (1). The bottom mold (66) is fixed with side fixing blocks (653) on its four sides, and the four side fixing blocks (653) are fixed with alignment rods (654) below them.

5. The punching die for a refrigerator door shell according to claim 4, characterized in that, The alignment rod (654) is sized to match the alignment groove (652).

6. The punching die for a refrigerator door shell according to claim 1, characterized in that, The storage mechanism (7) includes a preset slide (71), and the preset slide (71) is located at the lower front end of the main body (1). A collection slide (72) is slidably provided in the middle of the preset slide (71), and a pull rod (73) is fixedly provided at the front end of the collection slide (72). A support guide (74) is provided below one end of the collection slide (72).

7. A punching die for a refrigerator door shell according to claim 6, characterized in that, The preset chute (71) and the collection chute (72) are equidistantly arranged along the lower section of the main body (1).

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