Scratch-proof die for sealing box seat of refrigerator
Technical Field
The utility model relates to the technical field of dies, in particular to a refrigerator sealing box seat die capable of preventing scratches.
Background
The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production, the sealing box seat fitting of the refrigerator is usually molded in an injection molding mode, and the injection mold is main molding equipment for pressing hot raw materials by using a molding mold and cooling to prepare plastic products in various shapes.
The following problems still exist in the actual use process:
At present, a traditional production mould for a sealing box seat needs demoulding after an injection molding accessory mould is formed, and most of the production mould is taken out from a mould cavity through manual taking out or an ejection structure in the demoulding process, but most of the traditional ejection structure is a thimble, so that the surface of a workpiece is scratched easily during ejection, the workpiece is damaged, the manual taking out is time-consuming, and the working efficiency is reduced.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a refrigerator sealing box seat scratch-proof die, which has the advantages of more uniform ejection due to a specially designed ejection structure, scratch and deformation on a workpiece are prevented, and the problems in the background art are solved.
The utility model provides a refrigerator sealing box seat scratch-proof die which comprises a base, wherein a lower die is arranged at the top of the base, an upper die seat is arranged at the top of the lower die, an upper die is arranged at the bottom of the upper die seat, and an ejection assembly is arranged in the base;
The ejector assembly comprises a fixed plate, a movable plate, sliding rails, a connecting rod, sliding blocks and ejector plates, wherein the fixed plate is arranged at the bottom of a base, the movable plate is arranged on the top side of the fixed plate, a plurality of sliding rails are arranged in the movable plate, the connecting rod is arranged in the sliding rails, the sliding blocks are arranged on two sides of the bottom end of the connecting rod, the ejector plates are arranged on the top ends of the connecting rod, and the ejector plates are located in the lower die.
Preferably, a side surface of base is provided with drive assembly, drive assembly is including driving motor, gyro wheel, fixed block and inclined plane, a side surface fixed mounting of base has driving motor, driving motor's output shaft fixedly connected with gyro wheel, a side surface fixedly connected with fixed block of fly leaf, the inclined plane has been seted up to a side surface of fixed block, and the inclined plane is laminated with the gyro wheel.
Preferably, the fixed plate is fixedly connected with the bottom of the base, the movable plate is in sliding connection with the fixed plate, the sliding rail is fixedly connected with the inner wall of the movable plate, the connecting rod is in sliding connection with the sliding rail, the sliding blocks are rotationally connected with the two sides of the connecting rod, the sliding blocks are positioned in the sliding rail, and the ejector plate is fixedly connected with the top end of the connecting rod.
Preferably, the upper surface of the fixed plate is fixedly connected with a plurality of guide rods, and the movable plate is sleeved on the surfaces of the guide rods.
Preferably, return springs are fixedly connected to four corners of the upper surface of the movable plate, and the top ends of the return springs are fixedly connected with the bottom of the lower die.
Preferably, the two side surfaces of the lower die are both connected with sliding blocks in a sliding manner, one side of each sliding block is attached to the ejector plate, inclined rods are fixedly connected to two sides of the bottom of the upper die, and the bottom ends of the inclined rods penetrate through the sliding blocks.
Preferably, a runner is installed on the upper surface of the upper die holder.
Compared with the prior art, the utility model has the following beneficial effects:
1. This refrigerator seal box seat prevents scratch mould, through being provided with ejecting subassembly, can adopt special design's ejecting structure, can prevent to cause scratch and deformation to the work piece, upwards remove through the ejector plate, exert supporting force gradually to the work piece, when ejecting the work piece, it is ejecting with the work piece, slide in the slide rail through the sliding block, can play the cushioning effect, avoid causing the scratch to the work piece, the ejector plate is the massive body, compare with traditional thimble, increased with work piece area of contact, avoid the work piece to make deformation.
2. This refrigerator seal box seat prevents scratch mould, through being provided with drive assembly, can promote the liftout plate and upwards remove, with the work piece ejecting, the fixed block passes through two bolts simultaneously to be fixed on the fly leaf, the water level position of accessible unscrewing bolt removal fly leaf to adjust the liftout height of liftout plate, improve the flexibility.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the device of the present utility model;
FIG. 2 is a schematic diagram of a driving assembly according to the present utility model;
FIG. 3 is a schematic view of an ejector assembly according to the present utility model;
FIG. 4 is a schematic view of a slider structure according to the present utility model;
Fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure, 1, a base; 2, a lower die, 3, an upper die holder, 4, an upper die, 5, a runner, 6, an ejection assembly, 601, a fixed plate, 602, a movable plate, 603, a sliding rail, 604, a connecting rod, 605, a sliding block, 606, an ejection plate, 7, a driving assembly, 701, a driving motor, 702, a roller, 703, a fixed block, 704, an inclined plane, 705, an adjusting groove, 706, a bolt, 8, a reset spring, 9, a sliding block, 10, an inclined rod, 11 and a guide rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, a scratch-proof mold for a sealing box seat of a refrigerator comprises a base 1, wherein a lower mold 2 is installed at the top of the base 1, an upper mold base 3 is arranged at the top of the lower mold 2, an upper mold 4 is installed at the bottom of the upper mold base 3, an ejection assembly 6 is arranged in the base 1, the ejection assembly 6 comprises a fixed plate 601, a movable plate 602, a sliding rail 603, a connecting rod 604, a sliding block 605 and an ejection plate 606, the fixed plate 601 is arranged at the bottom of the base 1, the movable plate 602 is arranged at the top side of the fixed plate 601, a plurality of sliding rails 603 are arranged in the movable plate 602, a connecting rod 604 is arranged in the sliding rail 603, sliding blocks 605 are arranged at two sides of the bottom end of the connecting rod 604, an ejection plate 606 is arranged at the top end of the connecting rod 604, and the ejection plate 606 is positioned in the lower mold 2;
Through being provided with ejecting subassembly 6, can adopt special design's ejecting structure, can prevent to cause scratch and deformation to the work piece, upwards remove through ejector plate 606, exert the holding power gradually to the work piece, with the work piece ejecting, when ejecting the work piece, through sliding block 605 in slide rail 603 internal sliding, can play the buffering effect, avoid causing the scratch to the work piece.
Referring to fig. 1 to 4, a fixed plate 601 is fixedly connected with the bottom of a base 1, a movable plate 602 is slidably connected with the fixed plate 601, a sliding rail 603 is fixedly connected with the inner wall of the movable plate 602, a connecting rod 604 is slidably connected with the sliding rail 603, sliding blocks 605 are rotatably connected with two sides of the connecting rod 604, the sliding blocks 605 are positioned in the sliding rail 603, an ejector plate 606 is fixedly connected with the top end of the connecting rod 604, a plurality of guide rods 11 are fixedly connected with the upper surface of the fixed plate 601, the movable plate 602 is sleeved on the surface of the guide rods 11, reset springs 8 are fixedly connected to four corners of the upper surface of the movable plate 602, and the top ends of the reset springs 8 are fixedly connected with the bottom of a lower die 2;
When the workpiece is ejected, the movable plate 602 moves upwards, the reset spring 8 is stressed to compress, after the demolding is completed, the driving motor 701 is started to drive the roller 702 to reset, and at the moment, the reset spring 8 is reset under the action of the force, so that the movable plate 602 and the ejection plate 606 can be driven to reset again.
Referring to fig. 2, the two side surfaces of the lower mold 2 are slidably connected with a slide block 9, one side of the slide block 9 is attached to an ejector plate 606, two sides of the bottom of the upper mold 4 are fixedly connected with a diagonal rod 10, the bottom end of the diagonal rod 10 penetrates through the interior of the slide block 9, and through the cooperation of the slide block 9 and the diagonal rod 10, part of the mold which is originally clamped in the demolding process is retracted successively, so that the barb problem is solved, and the workpiece is prevented from being clamped in the mold.
Referring to fig. 2 and 5, a driving assembly 7 is disposed on one side surface of a base 1, the driving assembly 7 includes a driving motor 701, a roller 702, a fixed block 703 and an inclined plane 704, the driving motor 701 is fixedly mounted on one side surface of the base 1, an output shaft of the driving motor 701 is fixedly connected with the roller 702, the fixed block 703 is fixedly connected with one side surface of the movable plate 602, the inclined plane 704 is disposed on one side surface of the fixed block 703, and the inclined plane 704 is attached to the roller 702;
By being provided with the drive assembly 7, can promote the liftout plate 606 and upwards remove, with the ejecting of work piece, fixed block 703 is fixed on fly leaf 602 through two bolts simultaneously, and the water level position of fly leaf 602 is removed through unscrewing the bolt to adjust the liftout height of liftout plate 606.
In the utility model, the working principle of the device is as follows:
The hot raw material is added into a forming cavity between the lower die 2 and the upper die 4 from the runner 5 for compression forming, after the die is formed and cooled, the upper die 4 is separated from the lower die 2 and drives the inclined rod 10 to be separated from the slide block 9, the limitation on the slide block 9 is relieved, then the driving motor 701 is started to push the roller 702 to move horizontally, the roller 702 pushes the inclined surface 704 on the fixed block 703, the fixed block 703 and the movable plate 602 can be pushed to move upwards under the limiting action of the guide rod 11, meanwhile, the sliding rail 603 is driven to move upwards, the connecting rod 604 is driven to move upwards through the sliding block 605, finally, the ejector plate 606 is driven to move upwards, the supporting force is gradually applied to the workpiece to eject the workpiece, in the ejection process, the sliding block 605 at the bottom end of the ejector plate 606 slides in the sliding rail 603, the buffering effect can be achieved, the workpiece is prevented from being scratched, and meanwhile, the ejector plate 606 is a block body.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.