Die capable of reducing rejection rate

Abstract

The utility model relates to the technical field of dies, and discloses a die capable of reducing the rejection rate. The mold capable of reducing the rejection rate comprises a lower mold body, an equipment frame is arranged on the right side of the lower mold body, and a cleaning structure is arranged on the left side of the lower mold body. By arranging the limiting rods, the limiting grooves, the extrusion blocks and the threaded rods, the extending distances of the four extrusion blocks are adjusted in advance according to the abrasion condition of the limiting grooves, the limiting rods continuously move upwards when rotating on the outer walls of the threaded rods through the threaded grooves in the inner sides, and the circular truncated cone columns at the bottom ends of the threaded rods extrude the four arc-shaped frames in the limiting rods; after the arc-shaped frame is stressed, the springs and the extrusion blocks on the inner wall are extruded, the extrusion blocks penetrate through the movable grooves to extend outwards, the extending distance is adjusted, the adjusted limiting rods can be tightly clamped with the abraded limiting grooves through the four extrusion blocks, then the upper die and the lower die are tightly combined, the pressed and formed product does not have defects, and the rejection rate can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold with a reduced scrap rate. Background Art

[0002] Moulds are various molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, moulds are tools used to make shaped objects. This tool is composed of various parts, and different moulds are composed of different parts.

[0003] When closing the existing molds, due to long-term use of the molds, the mold closing is not rigorous and deviations occur, which in turn leads to defects in the molded products and a high scrap rate. Therefore, a mold with a low scrap rate is urgently needed. Utility Model Content

[0004] The purpose of the utility model is to provide a mold with a reduced scrap rate, so as to solve the problem that the existing molds proposed in the above background technology are not rigorous in mold closing and produce deviations due to long-term use of the molds, which leads to defects in the molded products, a high scrap rate and residual impurities in the mold groove after demolding, which need to be cleaned in time, otherwise the product quality is affected.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a mold for reducing the scrap rate, comprising a lower mold, a device frame is arranged on the right side of the lower mold, and a cleaning structure is arranged on the left side of the lower mold, a limiting structure is arranged on the inner side of the lower mold, a driving structure is arranged on the top of the device frame, and an upper mold is installed on the inner side of the driving structure.

[0006] The limiting structure includes a limiting rod, a threaded rod is arranged on the inner side of the limiting rod, a truncated cone column is arranged at the bottom end of the threaded rod, an arc frame is arranged on one side of the truncated cone column, an extrusion block is arranged on the outer wall of the arc frame, springs are arranged at both ends of the extrusion block, and a limiting groove is opened on the top of the lower mold.

[0007] The cleaning structure includes a moving seat, a cylinder is installed on the inner side of the moving seat, a moving rod is provided at the output end of the cylinder, a motor is installed at the output end of the moving rod, and a vacuum cleaner is installed at the front end of the moving rod, a rotating plate is provided at the output end of the moving rod, dust suction grooves are opened at both ends of the rotating plate, and a fixed plate is provided on the rotating plate, a cleaning brush is provided on the outer wall of the fixed plate, and a vacuum tube is connected to the front end of the vacuum cleaner.

[0008] Preferably, a molding groove is provided on the top of the lower mold, a pressing block is installed on the bottom end of the upper mold, and the upper mold is movably connected to the driving structure through a mounting frame.

[0009] Preferably, a movable groove matching the extrusion block is provided on the inner side of the limiting rod, and the two ends of the spring are respectively fixedly connected to the arc frame and the inner wall of the limiting rod.

[0010] Preferably, the truncated cone column is movably engaged with the arc frame, and the number of the arc frame and the extrusion block is four, the threaded rod is fixed to the bottom end of the upper mold, and the threaded rod is movably connected to the limit rod through a thread.

[0011] Preferably, the movable seat and the lower die are fixedly installed by bolts, and the cylinder and the movable seat are fixedly installed by a bracket.

[0012] Preferably, the rotating plate is movably connected to the motor via a rotating shaft, and the vacuum cleaner and the moving rod are fixedly installed via a fixing seat.

[0013] Preferably, the dust suction pipe penetrates to the inner side of the rotating plate, the number of the fixed plate and the cleaning brush is two, and the fixed plate and the rotating plate are fixedly connected by glue.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model sets a limit rod, a limit groove, an extrusion block and a threaded rod, and adjusts the extension distance of the four extrusion blocks in advance according to the wear condition of the limit groove. The limit rod is continuously moved upward through the inner thread groove when the outer wall of the threaded rod rotates. The round cone column at the bottom end of the threaded rod squeezes the four arc frames inside the limit rod, so that after the arc frame is stressed, the spring and the extrusion block on the inner wall are squeezed. The extrusion block extends outward through the movable groove, and the extension distance is adjusted. The adjusted limit rod can be tightly engaged with the worn limit groove through the four extrusion blocks, so that the upper mold and the lower mold are tightly molded, so that the pressed product will not have defects and the scrap rate will be reduced.

[0016] Second, the utility model is provided with a cylinder, a motor, a rotating plate, a cleaning brush and a dust suction groove. After the pressing and forming, the upper mold moves up and the product is taken out. At this time, the motor at the top of the moving rod is controlled to operate, and the internal technology of the motor is the existing technology. After the motor is operated, it drives the rotating plate at the output end to move, so that the rotating plate rotates to the top of the forming groove, and the cleaning brush at the bottom end of the rotating plate is attached to the inner wall of the forming groove, and the cleaning brush at the top end of the rotating plate is attached to the bottom of the pressing block. At this time, the cylinder is controlled to operate inside the moving seat, and the internal technology of the cylinder is the existing technology. After the cylinder is operated, it drives the moving rod at the output end and the rotating plate to move back and forth. When the rotating plate moves, the cleaning brushes at both ends thereof clean the forming groove and the pressing block respectively. At the same time, the vacuum cleaner is controlled to operate, and the impurities cleaned around are absorbed through the dust suction pipe and the dust suction grooves at both ends of the rotating plate to keep the forming groove and the pressing block clean, thereby ensuring the quality of the pressed and formed products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the molding groove of the utility model;

[0020] Figure 4 This is a schematic diagram of the extrusion block of the utility model;

[0021] Figure 5 For this utility model Figure 2 A is an enlarged schematic diagram;

[0022] Figure 6 This is a schematic diagram of the cleaning structure of the utility model;

[0023] Figure 7 This is a schematic diagram of the structure of the rotating plate of the utility model.

[0024] Among them: 1. lower mold; 2. equipment frame; 3. driving structure; 4. upper mold; 5. limiting structure; 501. limiting rod; 502. threaded rod; 503. round table column; 504. arc frame; 505. spring; 506. extrusion block; 507. limiting groove; 6. forming groove; 7. pressing block; 8. cleaning structure; 801. moving seat; 802. cylinder; 803. moving rod; 804. motor; 805. rotating plate; 806. dust suction groove; 807. fixed plate; 808. cleaning brush; 809. vacuum cleaner; 810. dust suction tube. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5A mold for reducing scrap rate includes a lower mold 1, an equipment frame 2 is arranged on the right side of the lower mold 1, and a cleaning structure 8 is arranged on the left side of the lower mold 1, a limiting structure 5 is arranged on the inner side of the lower mold 1, a driving structure 3 is arranged on the top of the equipment frame 2, an upper mold 4 is installed on the inner side of the driving structure 3, the limiting structure 5 includes a limiting rod 501, a threaded rod 502 is arranged on the inner side of the limiting rod 501, a round cone column 503 is arranged at the bottom end of the threaded rod 502, an arc frame 504 is arranged on one side of the round cone column 503, and an extrusion block 506 is arranged on the outer wall of the arc frame 504, Springs 505 are provided at both ends of the extrusion block 506, a limiting groove 507 is provided at the top of the lower mold 1, a forming groove 6 is provided at the top of the lower mold 1, a pressing block 7 is installed at the bottom of the upper mold 4, the upper mold 4 is movably connected with the driving structure 3 through a mounting frame, a movable groove matching the extrusion block 506 is provided on the inner side of the limiting rod 501, the two ends of the spring 505 are respectively fixedly connected with the inner wall of the arc frame 504 and the limiting rod 501, the truncated cone column 503 is movably engaged with the arc frame 504, and the number of the arc frame 504 and the extrusion block 506 is four, and the threaded rod 502 is fixed at the bottom end of the upper mold 4, and the threaded rod 502 is movably connected with the limiting rod 501 through a thread. The inner diameter of the limiting groove 507 is determined in advance according to the wear condition of the limiting groove 507, and then the extension distance of the four extrusion blocks 506 is adjusted, and the limiting rod 501 is screwed. When the limiting rod 501 rotates on the outer wall of the threaded rod 502 through the inner thread groove, it continuously moves upward. While moving upward, the round cone column 503 at the bottom end of the threaded rod 502 squeezes the four arc frames 504 inside the limiting rod 501, so that after the arc frames 504 are stressed, they squeeze The spring 505 on the inner wall drives the extrusion block 506 to extend outward through the movable groove, so as to adjust the extension distance. After adjustment, stop screwing the limit rod 501. At this time, when the driving structure 3 drives the upper mold 4 to move downward, the limit rod 501 at the bottom end of the upper mold 4 is inserted into the limit groove 507 at the top of the lower mold 1, so that the adjusted limit rod 501 can be tightly engaged with the worn limit groove 507 through the four extrusion blocks 506, thereby making the upper mold 4 and the lower mold 1 tightly closed, so that the pressed product will not have defects, the quality will be high, and the scrap rate will be reduced.

[0027] See also Figure 6-7A mold for reducing scrap rate, the cleaning structure 8 includes a moving seat 801, a cylinder 802 is installed on the inner side of the moving seat 801, a moving rod 803 is provided at the output end of the cylinder 802, a motor 804 is installed at the output end of the moving rod 803, and a dust collector 809 is installed at the front end of the moving rod 803, a rotating plate 805 is provided at the output end of the moving rod 803, dust suction grooves 806 are opened at both ends of the rotating plate 805, and a fixed plate 807 is provided on the rotating plate 805, and the outer wall of the fixed plate 807 is provided There is a cleaning brush 808, a dust suction pipe 810 is connected to the front end of the vacuum cleaner 809, the movable seat 801 is fixedly installed with the lower mold 1 by bolts, the cylinder 802 is fixedly installed with the movable seat 801 by a bracket, the rotating plate 805 is movably connected with the motor 804 by a rotating shaft, the vacuum cleaner 809 is fixedly installed with the movable rod 803 by a fixed seat, the dust suction pipe 810 penetrates the inner side of the rotating plate 805, the number of the fixed plate 807 and the cleaning brush 808 is two, and the fixed plate 807 and the rotating plate 805 are fixedly connected by glue After the pressing and molding, the upper mold 4 moves up and the product is taken out. At this time, the motor 804 at the top of the moving rod 803 is controlled to run. The internal technology of the motor 804 is the existing technology. After the motor 804 runs, it drives the output end rotating plate 805 to move, so that the rotating plate 805 rotates to the top of the molding groove 6, and the cleaning brush 808 at the bottom of the rotating plate 805 is attached to the inner wall of the molding groove 6, and the cleaning brush 808 at the top of the rotating plate 805 is attached to the bottom of the pressing block 7. At this time, the cylinder 802 is controlled to run inside the moving seat 801. The internal technology of the cylinder 802 is the existing technology. After the cylinder 802 is running, it drives the moving rod 803 at the output end and the rotating plate 805 to move forward and backward. When the rotating plate 805 moves, the cleaning brushes 808 at both ends thereof clean the forming groove 6 and the pressing block 7 respectively. At the same time, the vacuum cleaner 809 is controlled to run, and the impurities and the like that have fallen around are absorbed through the vacuum pipe 810 and the vacuum grooves 806 at both ends of the rotating plate 805, so as to keep the forming groove 6 and the pressing block 7 clean, thereby ensuring the quality of the pressed products.

[0028] When in use, the inner diameter of the limiting groove 507 is determined in advance according to the wear condition of the limiting groove 507, and then the extension distance of the four extrusion blocks 506 is adjusted, and the limiting rod 501 is screwed. When the limiting rod 501 rotates on the outer wall of the threaded rod 502 through the inner thread groove, it continuously moves upward. While moving upward, the round cone column 503 at the bottom end of the threaded rod 502 squeezes the four arc frames 504 inside the limiting rod 501, so that after the arc frame 504 is stressed, it squeezes the spring 505 on the inner wall and drives the extrusion block 506. 6 extends outward through the movable slot, thereby adjusting the extension distance. After adjustment, stop screwing the limit rod 501. At this time, when the driving structure 3 drives the upper die 4 to move downward, the limit rod 501 at the bottom end of the upper die 4 is inserted into the limit groove 507 at the top of the lower die 1, so that the adjusted limit rod 501 can be tightly engaged with the worn limit groove 507 through the four extrusion blocks 506, thereby making the upper die 4 and the lower die 1 tightly molded, so that the pressed product will not have defects, but will have high quality, and the scrap rate will be reduced, and the pressed product will not have defects. After the molding, the upper mold 4 moves up and the product is taken out. At this time, the motor 804 at the top of the moving rod 803 is controlled to run. The internal technology of the motor 804 is the existing technology. After the motor 804 runs, it drives the output end rotating plate 805 to move, so that the rotating plate 805 rotates to the top of the molding groove 6, and the cleaning brush 808 at the bottom of the rotating plate 805 is attached to the inner wall of the molding groove 6, and the cleaning brush 808 at the top of the rotating plate 805 is attached to the bottom of the pressing block 7. At this time, the cylinder 802 is controlled to run inside the moving seat 801, and the cylinder The internal technology of 802 is the existing technology. After the cylinder 802 is running, it drives the moving rod 803 at the output end and the rotating plate 805 to move forward and backward. When the rotating plate 805 moves, the cleaning brushes 808 at both ends thereof clean the forming groove 6 and the pressing block 7 respectively. At the same time, the vacuum cleaner 809 is controlled to run, and the impurities and the like that have fallen around are absorbed through the vacuum pipe 810 and the vacuum grooves 806 at both ends of the rotating plate 805, so as to keep the forming groove 6 and the pressing block 7 clean, thereby ensuring the quality of the pressed products.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A mold for reducing scrap rate, comprising a lower mold (1), characterized in that: An equipment frame (2) is arranged on the right side of the lower mold (1), and a cleaning structure (8) is arranged on the left side of the lower mold (1); a limiting structure (5) is arranged on the inner side of the lower mold (1); a driving structure (3) is arranged on the top of the equipment frame (2), and an upper mold (4) is installed on the inner side of the driving structure (3); The limiting structure (5) comprises a limiting rod (501), a threaded rod (502) is arranged on the inner side of the limiting rod (501), a truncated cone column (503) is arranged at the bottom end of the threaded rod (502), an arc frame (504) is arranged on one side of the truncated cone column (503), an extrusion block (506) is arranged on the outer wall of the arc frame (504), springs (505) are arranged at both ends of the extrusion block (506), and a limiting groove (507) is provided on the top of the lower mold (1); The cleaning structure (8) comprises a movable seat (801), a cylinder (802) is installed on the inner side of the movable seat (801), a movable rod (803) is arranged at the output end of the cylinder (802), a motor (804) is installed at the output end of the movable rod (803), a dust collector (809) is installed at the front end of the movable rod (803), a rotating plate (805) is arranged at the output end of the movable rod (803), dust suction grooves (806) are provided at both ends of the rotating plate (805), a fixed plate (807) is arranged on the rotating plate (805), a cleaning brush (808) is arranged on the outer wall of the fixed plate (807), and a dust suction pipe (810) is connected to the front end of the dust collector (809).

2. A mold for reducing scrap rate according to claim 1, characterized in that: The top of the lower mold (1) is provided with a molding groove (6), the bottom end of the upper mold (4) is provided with a pressing block (7), and the upper mold (4) is movably connected to the driving structure (3) via a mounting frame.

3. A mold for reducing scrap rate according to claim 1, characterized in that: The inner side of the limiting rod (501) is provided with a movable groove matching the extrusion block (506), and the two ends of the spring (505) are respectively fixedly connected to the arc frame (504) and the inner wall of the limiting rod (501).

4. A mold for reducing scrap rate according to claim 1, characterized in that: The truncated cone column (503) is movably engaged with the arc frame (504), and the number of the arc frame (504) and the extrusion block (506) is four. The threaded rod (502) is fixed to the bottom end of the upper mold (4), and the threaded rod (502) is movably connected to the limit rod (501) through a thread.

5. A mold for reducing scrap rate according to claim 1, characterized in that: The movable seat (801) and the lower die (1) are fixedly mounted via bolts, and the cylinder (802) and the movable seat (801) are fixedly mounted via a bracket.

6. A mold for reducing scrap rate according to claim 1, characterized in that: The rotating plate (805) and the motor (804) are movably connected via a rotating shaft, and the dust collector (809) and the moving rod (803) are fixedly installed via a fixing seat.

7. A mold for reducing scrap rate according to claim 1, characterized in that: The dust suction pipe (810) penetrates to the inner side of the rotating plate (805), the number of the fixed plate (807) and the cleaning brush (808) is two, and the fixed plate (807) and the rotating plate (805) are fixedly connected by glue.

Images