Feeding mechanism of plastic shell injection molding machine

Abstract

The utility model relates to the technical field of injection molding machines, in particular to a feeding mechanism of an injection molding machine with a plastic shell, which comprises a storage component for storing raw materials, and a cleaning component for scraping attached materials on the inner wall of a hopper is arranged at the top of the storage component. According to the utility model, the motor I is used for providing power to drive the spiral scraper to rotate, and the rotating spiral scraper pushes raw materials adhered to the inner wall of the hopper downwards, so that the raw materials on the inner wall of the hopper fall into the bottom of the hopper and are discharged through the blanking pipe; accumulation of raw materials on the side wall of the hopper is avoided, and it is guaranteed that the materials can smoothly enter an injection molding machine; meanwhile, the hopper is driven by the transmission part to reciprocate up and down, so that raw materials can be effectively prevented from being blocked in the discharging process.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to a feeding mechanism for a plastic shell injection molding machine. Background Art

[0002] During the injection molding process, the raw materials need to be transported into the injection molding machine through a feeding device.

[0003] Application number: CN202223051261.5, "A feeding mechanism for an injection molding machine". During operation, the feeding mechanism for an injection molding machine can drive the gear ring to rotate through the rotation of the spur gear, and the rotation of the gear ring can drive the mounting shell and the fixed shell to rotate through the connecting rod, thereby driving the feed hopper to rotate; the cam can be driven to rotate through the active shaft, and the rotation of the cam can drive the first connecting rod to move up and down, and the up and down movement of the first connecting rod can drive the feed hopper to move up and down. The feed hopper will rotate while oscillating up and down, which can well shake the raw materials inside the feed hopper downwards, and can prevent blockage inside the feed hopper and the conveying pipe.

[0004] However, in the feeding mechanism of the injection molding machine, a layer of material will adhere to the inner wall of the hopper during use. As the use time increases, more and more material will adhere to the inner wall of the hopper, affecting the entry of the material into the injection molding machine. Utility Model Content

[0005] The utility model aims to provide a feeding mechanism for a plastic shell injection molding machine, which can avoid the accumulation of raw materials on the side wall of the hopper and solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a feeding mechanism of a plastic shell injection molding machine, comprising a material storage component for storing raw materials, a cleaning component for scraping off materials attached to the inner wall of the hopper is provided on the top of the material storage component, and a moving component for driving the material storage component to move up and down is provided on the outside of the material storage component;

[0007] Wherein, the cleaning assembly includes: a top cover, the inner part of the center of the top cover is rotatably connected to the side of the rotating shaft three, the bottom end of the rotating shaft three is fixedly connected to the outside of the cross bar, and the two ends of the cross bar are fixedly connected to the inner ring of the spiral scraper.

[0008] Preferably, the top end of the rotating shaft three is inserted into the interior of the bevel gear one, the exterior of the bevel gear one is meshed with the exterior of the bevel gear two, the interior of the bevel gear two is sleeved on the output shaft of the motor one, and the exterior of the motor one is fixedly connected to the top of the top cover.

[0009] Preferably, the material storage assembly includes: a hopper, the top of the hopper is threadedly connected to the inner wall of the top cover, the inner side wall of the hopper is slidably connected to the outside of the spiral scraper, and the outer side of the hopper is fixedly connected to the side of the transmission plate and the limit plate.

[0010] Preferably, the bottom of the hopper is connected to the top of the discharge pipe, a discharge valve is installed at the bottom end of the discharge pipe, and the lower end of the discharge valve is connected to the hose.

[0011] Preferably, the moving assembly comprises: a transmission member and a bracket, and the transmission member is located on the top of the bracket.

[0012] Preferably, a circular through hole is provided at the top of the bracket, a limiting slide groove is provided on the hole wall of the circular through hole, the hole wall of the circular through hole is slidably sleeved on the side of the hopper, and the groove wall of the limiting slide groove is slidably connected to the side of the limiting plate.

[0013] Preferably, the transmission member includes: a support plate 1, the interior of the support plate 1 is rotatably connected to the exterior of a rotating shaft 1, the exterior of the rotating shaft 1 is fixedly connected to the interior of a cam 1 and a sprocket 1, the end of the rotating shaft 1 is connected to the output shaft of a motor 2 through a gearbox, the exterior of the motor 2 is fixedly connected to the exterior of the gearbox, and the bottoms of the support plate 1 and the gearbox are fixedly connected to the top of the bracket.

[0014] Preferably, the outside of sprocket one is connected to the outside of sprocket two through a chain, the inside of sprocket two is fixedly connected to the outside of rotating shaft two, the outside of rotating shaft two is fixedly connected to the inside of cam two, the outside of rotating shaft two is rotatably connected to the inside of support plate two, the bottom of support plate two is fixedly connected to the top of the bracket, and cam one and cam two are located at the bottom of the transmission plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model utilizes a motor to provide power to drive the spiral scraper to rotate. The rotating spiral scraper pushes the raw materials adhered to the inner wall of the hopper downward, so that the raw materials on the inner wall of the hopper fall into the bottom of the hopper and are discharged through a discharge pipe, thereby avoiding the accumulation of raw materials on the side wall of the hopper and ensuring that the materials can smoothly enter the injection molding machine; at the same time, the transmission part drives the hopper to move up and down reciprocatingly, which can effectively prevent the raw materials from being blocked during the discharge process. 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 internal structure of the material storage component of the utility model;

[0019] Figure 3 This is a schematic diagram of the cleaning component structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the mobile component of the utility model;

[0021] Figure 5 This is a schematic diagram of the support structure of the utility model;

[0022] Figure 6 It is a schematic diagram of the transmission structure of the utility model.

[0023] In the figure: 1. material storage component; 2. cleaning component; 3. moving component; 4. hopper; 5. transmission plate; 6. feeding pipe; 7. discharge valve; 8. hose; 9. limit plate; 10. top cover; 11. bevel gear one; 12. bevel gear two; 13. motor one; 14. rotating shaft three; 15. cross bar; 16. transmission member; 17. bracket; 18. circular through hole; 19. limit slide groove; 20. cam one; 21. rotating shaft one; 22. support plate one; 23. sprocket one; 24. gearbox; 25. motor two; 26. chain; 27. support plate two; 28. sprocket two; 29. ​​rotating shaft two; 30. cam two; 31. spiral scraper. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-6 The utility model provides a technical solution: a feeding mechanism of a plastic shell injection molding machine, comprising: a material storage component 1 for storing raw materials, a cleaning component 2 for scraping off materials attached to the inner wall of the hopper is provided on the top of the material storage component 1, and a moving component 3 for driving the material storage component 1 to move up and down is provided outside the material storage component 1.

[0026] The cleaning assembly 2 includes: a top cover 10, the inner center of the top cover 10 is rotatably connected to the side of the rotating shaft 3 14, the bottom end of the rotating shaft 3 14 is fixedly connected to the outside of the cross bar 15, and the two ends of the cross bar 15 are fixedly connected to the inner ring of the spiral scraper 31.

[0027] The top end of the rotating shaft 3 14 is inserted into the inside of the bevel gear 1 1, the outside of the bevel gear 1 11 is meshed with the outside of the bevel gear 2 12, the inside of the bevel gear 2 12 is sleeved on the output shaft of the motor 1 13, and the outside of the motor 13 is fixedly connected to the top of the top cover 10.

[0028] Furthermore, the motor 13 drives the rotating shaft 3 14 to rotate through the bevel gear 1 11 and the bevel gear 2 12, and the rotating shaft 3 14 drives the cross bar 15 and the spiral scraper 31 to rotate. The rotating spiral scraper 31 pushes the raw materials adhering to the inner wall of the hopper 4 downward, so that the raw materials on the inner wall of the hopper 4 fall into the bottom of the hopper 4 and flow out through the discharge pipe 6. At the same time, the rotating spiral scraper 31 also has a certain stirring effect on the raw materials, making the raw materials more uniform.

[0029] The material storage assembly 1 includes: a hopper 4, the top of the hopper 4 is threadedly connected to the inner wall of the top cover 10, the inner side wall of the hopper 4 is slidably connected to the outside of the spiral scraper 31, and the outer side of the hopper 4 is fixedly connected to the sides of the transmission plate 5 and the limit plate 9.

[0030] Furthermore, the hopper 4 is used to store raw materials, the top cover 10 is threadedly connected to the top of the hopper 4 to prevent dust and impurities from falling into the hopper 4 during the feeding process, the transmission plate 5 is used to drive the hopper 4 to move up and down, and the limit plate 9 is used to prevent the hopper 4 from rotating when moving up and down.

[0031] The bottom of the hopper 4 is connected to the top of the discharge pipe 6 , a discharge valve 7 is installed at the bottom of the discharge pipe 6 , and the lower end of the discharge valve 7 is connected to the hose 8 .

[0032] Furthermore, the discharge valve 7 is used to control the discharge of the raw material. When the discharge valve 7 is opened, the raw material enters the injection molding machine through the feed pipe 6, the discharge valve 7 and the hose 8.

[0033] The moving assembly 3 includes a transmission member 16 and a bracket 17 , wherein the transmission member 16 is located on the top of the bracket 17 .

[0034] A circular through hole 18 is provided at the top of the bracket 17 , and a limiting slide groove 19 is provided on the hole wall of the circular through hole 18 , the hole wall of the circular through hole 18 is slidably sleeved on the side of the hopper 4 , and the groove wall of the limiting slide groove 19 is slidably connected to the side of the limiting plate 9 .

[0035] Furthermore, when cam 1 20 and cam 2 30 rotate, the transmission plate 5 will be lifted up, so that the transmission plate 5 can reciprocate up and down, and the transmission plate 5 drives the hopper 4 to reciprocate up and down, and the side of the hopper 4 slides up and down in the circular through hole 18, and at the same time, the limit plate 9 fixedly connected to the side of the hopper 4 slides up and down in the limit slide groove 19, and with the cooperation of the limit plate 9 and the limit slide groove 19, the hopper 4 will not rotate during the up and down reciprocating movement.

[0036] The transmission member 16 includes: a support plate 22, the interior of the support plate 22 is rotatably connected to the exterior of the rotating shaft 21, the exterior of the rotating shaft 21 is fixedly connected to the interior of the cam 20 and the sprocket 23, the end of the rotating shaft 21 is connected to the output shaft of the motor 25 through the gearbox 24, the exterior of the motor 25 is fixedly connected to the exterior of the gearbox 24, and the bottoms of the support plate 22 and the gearbox 24 are fixedly connected to the top of the bracket 17.

[0037] Further, the motor 25 is started, and the motor 25 drives the rotating shaft 1 21 to rotate through the gearbox 24, and the rotating shaft 1 21 drives the cam 1 20 and the sprocket 1 23 to rotate.

[0038] The outside of sprocket one 23 is connected to the outside of sprocket two 28 through chain 26, the inside of sprocket two 28 is fixedly connected to the outside of rotating shaft two 29, the outside of rotating shaft two 29 is fixedly connected to the inside of cam two 30, the outside of rotating shaft two 29 is rotatably connected to the inside of support plate two 27, the bottom of support plate two 27 is fixedly connected to the top of bracket 17, and cam one 20 and cam two 30 are located at the bottom of transmission plate 5.

[0039] Furthermore, sprocket 1 23 drives sprocket 2 28 to rotate through chain 26, and sprocket 2 28 drives rotating shaft 2 29 and cam 2 30 to rotate. When cam 1 20 and cam 2 30 rotate, they will lift up transmission plate 5, so that transmission plate 5 moves back and forth up and down, and transmission plate 5 drives hopper 4, discharge pipe 6 and discharge valve 7 to move back and forth up and down, which can effectively prevent raw materials from being blocked during the discharge process.

[0040] Working principle: When in use, add the raw material into the hopper 4, then put the spiral scraper 31 into the hopper 4, and at the same time, the top cover 10 is connected to the top thread of the hopper 4 to prevent dust and impurities from falling into the hopper 4 during the feeding process; then open the discharge valve 7, so that the raw material enters the injection molding machine through the discharge pipe 6, the discharge valve 7, and the hose 8. At the same time, the motor 13 drives the shaft 3 14 to rotate through the bevel gear 1 11 and the bevel gear 2 12, and the shaft 3 14 drives the cross bar 15 and the spiral scraper 31 to rotate. The rotating spiral scraper 31 pushes the raw material adhered to the inner wall of the hopper 4 downward, so that the raw material on the inner wall of the hopper 4 falls into the bottom of the hopper 4 and flows out through the discharge pipe 6, avoiding the raw material The raw materials accumulate on the side walls inside the hopper 4. At the same time, the rotating spiral scraper 31 also stirs the raw materials to a certain extent, making the raw materials more uniform. During the discharging process, the motor 25 is started, and the motor 25 drives the rotating shaft 21 to rotate through the gearbox 24. The rotating shaft 21 drives the cam 20 and the sprocket 23 to rotate. The sprocket 23 drives the sprocket 28 to rotate through the chain 26. The sprocket 28 drives the rotating shaft 29 and the cam 2 30 to rotate. When the cam 1 20 and the cam 2 30 rotate, the transmission plate 5 is lifted up, so that the transmission plate 5 moves back and forth up and down. The transmission plate 5 drives the hopper 4, the discharge pipe 6 and the discharge valve 7 to move back and forth up and down, which can effectively prevent the raw materials from being blocked during the discharge process.

[0041] Although 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 of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A feeding mechanism for a plastic shell injection molding machine, characterized in that: It comprises a material storage component (1) for storing raw materials, a cleaning component (2) for scraping off materials attached to the inner wall of the hopper is provided on the top of the material storage component (1), and a moving component (3) for driving the material storage component (1) to move up and down is provided on the outside of the material storage component (1); The cleaning assembly (2) comprises: a top cover (10), the inner portion of the center of the top cover (10) is rotatably connected to the side of a third rotating shaft (14), the bottom end of the third rotating shaft (14) is fixedly connected to the outside of a cross bar (15), and the two ends of the cross bar (15) are fixedly connected to the inner ring of a spiral scraper (31).

2. A feeding mechanism for a plastic shell injection molding machine according to claim 1, characterized in that: The top end of the rotating shaft three (14) is inserted into the interior of the bevel gear one (11), the exterior of the bevel gear one (11) is meshed with the exterior of the bevel gear two (12), the interior of the bevel gear two (12) is sleeved on the output shaft of the motor one (13), and the exterior of the motor one (13) is fixedly connected to the top of the top cover (10).

3. A feeding mechanism for a plastic housing injection molding machine according to claim 1, characterized in that: The material storage assembly (1) comprises: a hopper (4), the top of the hopper (4) is threadedly connected to the inner wall of the top cover (10), the inner side wall of the hopper (4) is slidably connected to the outside of the spiral scraper (31), and the outer side of the hopper (4) is fixedly connected to the side of the transmission plate (5) and the limit plate (9).

4. A feeding mechanism for a plastic shell injection molding machine according to claim 3, characterized in that: The bottom of the hopper (4) is connected to the top of a feed pipe (6), a discharge valve (7) is installed at the bottom of the feed pipe (6), and the lower end of the discharge valve (7) is connected to a hose (8).

5. A feeding mechanism for a plastic housing injection molding machine according to claim 3, characterized in that: The moving assembly (3) comprises: a transmission member (16) and a bracket (17), wherein the transmission member (16) is located on the top of the bracket (17).

6. A feeding mechanism for a plastic housing injection molding machine according to claim 5, characterized in that: A circular through hole (18) is provided on the top of the bracket (17), a limiting slide groove (19) is provided on the hole wall of the circular through hole (18), the hole wall of the circular through hole (18) is slidably sleeved on the side of the hopper (4), and the groove wall of the limiting slide groove (19) is slidably connected to the side of the limiting plate (9).

7. A feeding mechanism for a plastic housing injection molding machine according to claim 5, characterized in that: The transmission member (16) comprises: a support plate (22), the interior of the support plate (22) being rotatably connected to the exterior of a rotating shaft (21), the exterior of the rotating shaft (21) being fixedly connected to the interior of a cam (20) and a sprocket (23), the end of the rotating shaft (21) being connected to the output shaft of a motor (25) via a gearbox (24), the exterior of the motor (25) being fixedly connected to the exterior of the gearbox (24), and the bottoms of the support plate (22) and the gearbox (24) being fixedly connected to the top of the bracket (17).

8. A feeding mechanism for a plastic housing injection molding machine according to claim 7, characterized in that: The outside of the sprocket wheel one (23) is connected to the outside of the sprocket wheel two (28) through a chain (26), the inside of the sprocket wheel two (28) is fixedly connected to the outside of the rotating shaft two (29), the outside of the rotating shaft two (29) is fixedly connected to the inside of the cam two (30), the outside of the rotating shaft two (29) is rotatably connected to the inside of the support plate two (27), the bottom of the support plate two (27) is fixedly connected to the top of the bracket (17), and the cam one (20) and the cam two (30) are located at the bottom of the transmission plate (5).

Images