Cleaning device for injection mold

Abstract

The utility model relates to the technical field of injection molds, and discloses a cleaning device for an injection mold, which comprises a bottom plate and a lower mold fixedly mounted on the top surface of the bottom plate, a fixing frame is fixedly mounted on the top surface of the bottom plate, an air cylinder is fixedly mounted on the top surface of the fixing frame, and an output shaft of the air cylinder movably penetrates through the top of the fixing frame. An upper die matched with the lower die is fixedly installed at the output end of the air cylinder. The cleaning device for the injection mold comprises a bottom plate, a high-pressure air pump is fixedly installed at the right end of the top face of the bottom plate, the air outlet end of the high-pressure air pump fixedly communicates with the right end of a hose, a through pipe is fixedly installed at the left end of the hose in a communicating mode, and nozzles are fixedly installed at the top and the bottom of the through pipe in a communicating mode. Dust in a mold cavity is comprehensively and effectively blown and cleaned by spraying high-pressure gas, the cleaning effect of the injection mold is improved, meanwhile, the dust can be sucked and collected, secondary pollution is effectively reduced, operation is easy, convenient and flexible, and practicability is high.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically a cleaning device for injection molds. Background Technology

[0002] Injection molds are tools used to produce plastic products. During the injection molding process, the cleanliness of the injection mold plays a crucial role in the quality of the plastic products. Dust accumulates in the mold cavity during use, necessitating cleaning. However, existing cleaning devices for injection molds still have certain shortcomings, such as:

[0003] The "cleaning device for injection molds" with application number CN202021823237.7 blows out dust during use, but it is inconvenient to collect the dust. The dust floats in the working area, which not only affects the working environment, but also some dust still falls into the lower mold, causing secondary pollution to the mold. At the same time, it can only spray air from a fixed direction, which makes it difficult to ensure a comprehensive and effective cleaning of the mold. The cleaning of injection molds is not thorough and has limitations in use. Utility Model Content

[0004] The purpose of this invention is to provide a cleaning device for injection molds, so as to solve the problems mentioned in the background art of the inconvenience of dust collection and incomplete cleaning of existing cleaning devices for injection molds.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cleaning device for injection molds, comprising a base plate and a lower mold fixedly installed on its top surface;

[0006] A fixing frame is fixedly installed on the top surface of the base plate, and a cylinder is fixedly installed on the top surface of the fixing frame. The output shaft of the cylinder moves through the top of the fixing frame, and an upper mold that is compatible with the lower mold is fixedly installed at the output end of the cylinder.

[0007] A high-pressure air pump is fixedly installed on the right end of the top surface of the base plate, and the air outlet of the high-pressure air pump is fixedly connected to the right end of the hose. A connecting pipe is fixedly installed on the left end of the hose, and nozzles are fixedly installed on the top and bottom of the connecting pipe.

[0008] A vacuum cleaner is fixedly installed on the left side of the top surface of the base plate, and a vacuum cleaner hood is fixedly installed on the suction pipe end of the vacuum cleaner.

[0009] By adopting the above technical solution, it is convenient to use a high-pressure air pump to spray high-pressure gas through the nozzle during the mold opening and closing process of the injection mold to blow away and clean the dust in the mold cavity. At the same time, the vacuum cleaner removes the blown dust in time through the dust suction hood, so as to achieve efficient cleaning of the injection mold, ensure the cleanliness of the mold, improve the quality of injection molded products, and extend the service life of the mold.

[0010] As a preferred technical solution of this utility model, a rack is fixedly installed on the side of the upper mold near the side wall of the fixed frame. The rack meshes with a gear, and a threaded rod is fixedly installed at the center of the right side face of the gear. The threaded rod bearing passes through the fixed plate, and the fixed plate is fixedly installed on the inner top surface of the fixed frame. Two fixed plates are symmetrically arranged around the longitudinal axis of the threaded rod.

[0011] By adopting the above technical solution, it is easy to convert the vertical movement of the upper die into the rotational movement of the threaded rod. When the cylinder drives the upper die to move up and down, the rack drives the gear to rotate, thereby causing the threaded rod to rotate.

[0012] As a preferred embodiment of this utility model, the rack slides through a through slot opened at the top of the fixing frame.

[0013] The above technical solution ensures that the rack can effectively pass through the through groove to move up and down.

[0014] As a preferred embodiment of this utility model, a sliding frame is sleeved on the outer side of the threaded rod, and the threaded rod is threadedly connected to the sliding frame. The top surface of the sliding frame is laterally slidably connected to the inner top surface of the fixed frame, and an installation frame is fixedly installed at the bottom of the sliding frame. The flexible hose is fixedly inserted through the right side wall of the installation frame, and the front and rear inner wall surfaces of the installation frame are rotatably connected to the front and rear ends of the through pipe, respectively.

[0015] The above technical solution facilitates the lateral sliding of the sliding frame within the fixed frame by rotating the threaded rod, thereby driving the mounting frame, pipe, hose and nozzle to move laterally.

[0016] As a preferred embodiment of this utility model, a motor is fixedly mounted on the front side of the mounting bracket, and the output shaft bearing of the motor passes through the front side wall of the mounting bracket, and the shaft end of the motor is coaxially and fixedly connected to the front end of the through pipe.

[0017] By adopting the above technical solution, it is easy to drive the tube to rotate by a motor and adjust the spray angle of the nozzle on the tube, so that high-pressure gas can blow and clean the mold from different directions, achieving more comprehensive and efficient cleaning and further improving the cleaning effect.

[0018] As a preferred embodiment of this utility model, multiple nozzles are evenly and equidistantly arranged at the top and bottom of the tube, and the distance from the bottom surface of the lower nozzle to the bottom plate is greater than the height of the lower mold.

[0019] The above technical solution allows multiple nozzles to spray high-pressure gas simultaneously, increasing the purging area and purging force, and improving cleaning efficiency.

[0020] Compared with the prior art, the beneficial effects of this utility model are: the cleaning device for injection molds can effectively and thoroughly blow away dust in the mold cavity by spraying high-pressure gas during the opening and closing process of injection molds, thereby improving the cleaning effect of injection molds. At the same time, it can absorb and collect dust, effectively reducing secondary pollution. It is simple and flexible to operate and highly practical.

[0021] 1. During the opening and closing of the injection mold, when the upper mold moves the rack upward, the gear drives the threaded rod to rotate, which causes the sliding frame to move the mounting frame, through pipe, hose and nozzle laterally, so that the nozzle is placed between the upper mold and the lower mold. The high-pressure air pump causes the nozzle to spray high-pressure gas, which can blow and clean the dust in the mold cavity.

[0022] 2. The vacuum cleaner can promptly remove the dust blown out through the dust hood, effectively reducing secondary pollution caused by dust floating in the work area and improving the working environment.

[0023] 3. By driving the tube to rotate with a motor, the spray angle of the nozzle on the tube can be adjusted, allowing high-pressure gas to blow and clean the mold from different directions, achieving more comprehensive and efficient cleaning and further improving the cleaning effect. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the rack and pinion connection structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the connection structure between the sliding frame, the threaded rod, and the mounting bracket of this utility model;

[0027] Figure 4 This is a schematic diagram of the connection structure between the pipe, nozzle, and motor of this utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the present invention when the nozzle is located above the lower mold.

[0029] In the diagram: 1. Base plate; 2. Lower mold; 3. Fixing frame; 4. Cylinder; 5. Upper mold; 6. High-pressure air pump; 7. Hose; 8. Through pipe; 9. Nozzle; 10. Vacuum cleaner; 11. Vacuum hood; 12. Rack; 13. Gear; 14. Threaded rod; 15. Fixing plate; 16. Sliding frame; 17. Mounting frame; 18. Through groove; 19. Motor. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0031] Please see Figure 1 - Figure 5 The present invention provides a cleaning device for injection molds, comprising a base plate 1 and a lower mold 2 fixedly mounted on its top surface. A fixing frame 3 is fixedly mounted on the top surface of the base plate 1, and a cylinder 4 is fixedly mounted on the top surface of the fixing frame 3. The output shaft of the cylinder 4 movably passes through the top of the fixing frame 3, and an upper mold 5 adapted to the lower mold 2 is fixedly mounted on the output end of the cylinder 4. The upper mold 5 is provided with an injection channel for material to enter the mold cavity for injection molding. A high-pressure pump is fixedly mounted on the right end of the top surface of the base plate 1. A high-pressure air pump 6 is provided, and the outlet end of the high-pressure air pump 6 is fixedly connected to the right end of the hose 7. The left end of the hose 7 is fixedly connected to a connecting pipe 8. The top and bottom of the connecting pipe 8 are fixedly connected to nozzles 9. Multiple nozzles 9 are evenly spaced at the top and bottom of the connecting pipe 8. The distance from the bottom surface of the lower nozzle 9 to the base plate 1 is greater than the height of the lower mold 2. A vacuum cleaner 10 is fixedly installed on the left end of the top surface of the base plate 1, and a vacuum cleaner hood 11 is fixedly connected to the suction pipe end of the vacuum cleaner 10.

[0032] A rack 12 is fixedly installed on the side of the upper mold 5 near the side wall of the fixed frame 3. The rack 12 slides through the through slot 18 opened at the top of the fixed frame 3. The rack 12 meshes with the gear 13. A threaded rod 14 is fixedly installed at the center of the right side face of the gear 13. The threaded rod 14 passes through the fixed plate 15. The fixed plate 15 is fixedly installed on the inner top surface of the fixed frame 3. There are two fixed plates 15 symmetrically arranged around the longitudinal axis of the threaded rod 14.

[0033] A sliding frame 16 is fitted on the outer side of the threaded rod 14, and the threaded rod 14 is threadedly connected to the sliding frame 16. The top surface of the sliding frame 16 is laterally slidably connected to the inner top surface of the fixed frame 3, and a mounting frame 17 is fixedly installed at the bottom of the sliding frame 16. The flexible hose 7 is fixedly inserted through the right side wall of the mounting frame 17, and the front and rear inner wall surfaces of the mounting frame 17 are rotatably connected to the front and rear ends of the through pipe 8, respectively.

[0034] A motor 19 is fixedly mounted on the front side of the mounting bracket 17, and the output shaft bearing of the motor 19 passes through the front side wall of the mounting bracket 17. The shaft end of the motor 19 is coaxially fixedly connected to the front end of the tube 8. The motor 19 is controlled to rotate forward and backward by the existing PLC control system so as to realize the reciprocating rotation of the tube 8 and the nozzle 9 within the set angle range.

[0035] Working principle: The upper mold 5 is moved up and down by the cylinder 4 to realize the opening and closing action of the injection mold. When the upper mold 5 moves down to fit with the lower mold 2, injection molding can be performed; when the upper mold 5 moves up to separate from the lower mold 2, the molded item can be taken out and the mold cavity can be cleaned.

[0036] When the cylinder 4 drives the upper mold 5 to move upward, the upper mold 5 drives the rack 12 to move upward, which causes the gear 13, which meshes with the rack 12, to drive the threaded rod 14 to rotate. This causes the sliding frame 16, which is threadedly connected to the threaded rod 14, to drive the mounting frame 17, the through pipe 8, and the nozzle 9 to move to the left. When the upper mold 5 moves upward and separates from the lower mold 2, and the nozzle 9 is not positioned above the lower mold 2, the injection-molded product can be demolded and removed.

[0037] Then, the upper mold 5 is continuously moved upward to ensure that the nozzle 9 is moved above the lower mold 2. At this time, the high-pressure air pump 6 is activated to allow the gas to enter the through pipe 8 through the hose 7 and be sprayed out by the nozzle 9 to clean the mold cavity.

[0038] Simultaneously, the motor 19 can be started to drive the tube 8 and nozzle 9 to rotate, thereby adjusting the angle of the nozzle 9 and achieving comprehensive and effective cleaning;

[0039] While cleaning, the vacuum cleaner 10 is activated to suck up and collect the dust through the dust hood 11, preventing the dust from settling into the mold cavity or drifting into the working environment.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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 cleaning device for injection molds, comprising a base plate (1) and a lower mold (2) fixedly mounted on its top surface, characterized in that: A fixed frame (3) is fixedly installed on the top surface of the base plate (1), and a cylinder (4) is fixedly installed on the top surface of the fixed frame (3). The output shaft of the cylinder (4) moves through the top of the fixed frame (3), and an upper mold (5) adapted to the lower mold (2) is fixedly installed at the output end of the cylinder (4). A high-pressure air pump (6) is fixedly installed on the right side of the top surface of the base plate (1), and the air outlet of the high-pressure air pump (6) is fixedly connected to the right end of the hose (7). A connecting pipe (8) is fixedly installed on the left end of the hose (7), and nozzles (9) are fixedly installed on the top and bottom of the connecting pipe (8). A vacuum cleaner (10) is fixedly installed on the left side of the top surface of the base plate (1), and a vacuum hood (11) is fixedly installed on the suction pipe end of the vacuum cleaner (10).

2. The cleaning device for injection molds according to claim 1, characterized in that, A rack (12) is fixedly installed on the side of the upper mold (5) near the side wall of the fixed frame (3). The rack (12) meshes with the gear (13), and a threaded rod (14) is fixedly installed at the center of the right side face of the gear (13). The threaded rod (14) is pierced through the fixed plate (15), and the fixed plate (15) is fixedly installed on the inner top surface of the fixed frame (3). There are two fixed plates (15) symmetrically arranged with the longitudinal axis of the threaded rod (14) as the center line.

3. The cleaning device for injection molds according to claim 2, characterized in that, The rack (12) slides through the through slot (18) opened at the top of the fixing frame (3).

4. A cleaning device for injection molds according to claim 2, characterized in that, The threaded rod (14) is fitted with a sliding frame (16) on its outer side, and the threaded rod (14) is threadedly connected to the sliding frame (16). The top surface of the sliding frame (16) is laterally slidably connected to the inner top surface of the fixed frame (3), and an installation frame (17) is fixedly installed at the bottom of the sliding frame (16). The hose (7) is fixedly inserted through the right side wall of the installation frame (17), and the front and rear inner walls of the installation frame (17) are rotatably connected to the front and rear ends of the through pipe (8) respectively.

5. A cleaning device for injection molds according to claim 4, characterized in that, The motor (19) is fixedly mounted on the front side of the mounting bracket (17), and the output shaft bearing of the motor (19) passes through the front side wall of the mounting bracket (17), and the shaft end of the motor (19) is coaxially fixedly connected to the front end of the through pipe (8).

6. A cleaning device for injection molds according to claim 1, characterized in that, The nozzles (9) are evenly spaced at the top and bottom of the tube (8), and the distance from the bottom surface of the lower nozzle (9) to the base plate (1) is greater than the height of the lower mold (2).

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