A translational unloading mechanism

Abstract

This utility model discloses a translational unloading mechanism. A conveying pipe is installed on the top of the worktable, and a sliding frame is fixedly connected to the conveying pipe. A first sliding plate is slidably mounted on the sliding frame. Multiple equidistant feed ports are arranged in the area inside the sliding frame at the top of the conveying pipe. A first connecting pipe is provided above the first sliding plate, connecting to the feed ports. A plate is fixedly connected above the first connecting pipe, and a second sliding plate is slidably mounted inside the plate. An unloading component connected to the first connecting pipe is provided on the top of the second sliding plate. A discharge hole is opened at the end of the first chute away from the sliding frame. The unloading component can switch and connect with multiple feed ports at different positions, thereby changing the distance between the unloading component and the injection molding mechanism, and thus changing the melting stroke spacing of the plastic particles. This adapts to the heating and melting of plastic particles of different grades, avoiding the problem of incomplete melting of plastic particles located in the central area of ​​the conveying pipe, and improving the yield of plastic parts.

Description

Technical Field

[0001] This utility model relates to the field of injection molding technology, specifically to a translational unloading mechanism. Background Technology

[0002] Injection molding machines produce various plastic parts by melting plastic particles and conveying them into a mold for cooling and shaping. The plastic particles inside the conveying pipe are heated and melted by heating the outer wall of the pipe. In one cycle of the injection molding machine, a certain amount of plastic is heated and plasticized within a specified time. Under certain pressure and speed, the molten plastic is injected into the mold cavity through a screw. During the stroke of the screw pushing the plastic particles into the mold, the plastic particles need to be heated and melted. However, existing plastic particles come in various specifications and shapes, and the size of each batch of plastic particles is inconsistent. This necessitates adjusting the heating component parameters to regulate the temperature of the conveying pipe when using different plastic particles, thus melting larger plastic particles. However, due to the constant stroke, there are many plastic particles in the conveying pipe, and the plastic particles in the middle area suffer from insufficient melting, leading to a decrease in the pass rate of plastic parts production. Utility Model Content

[0003] The purpose of this invention is to provide a translational unloading mechanism to address the aforementioned shortcomings of the prior art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a translational unloading mechanism, including a workbench, a conveying pipe installed on the top of the workbench, a sliding frame fixedly connected to the conveying pipe, a plurality of semi-circular heating elements located below the sliding frame and sleeved at the lower end of the conveying pipe, a first sliding plate slidably disposed on the sliding frame, a plurality of equidistant feed ports arranged in the area inside the sliding frame at the top of the conveying pipe, a first connecting pipe connecting the feed ports and a first connecting pipe fixedly connected above the first connecting pipe, a second sliding plate slidably disposed within the first connecting pipe, an unloading assembly connecting the first connecting pipe and a discharge hole opened at the end of the first chute away from the sliding frame.

[0005] Furthermore, the unloading assembly includes a second connecting pipe, the bottom of which is detachably connected to the top of the second slide plate via a second locking screw, and a hopper is fixedly connected to the top of the second connecting pipe.

[0006] Furthermore, a ball valve is installed inside the second connecting pipe, and the ball valve is controlled by rotating a handle installed on the second connecting pipe.

[0007] Furthermore, a first mounting plate is fixedly sleeved on the outside of the first connecting pipe. The first mounting plate is detachably connected to the top of the first sliding plate by a first locking screw. The top of the sliding frame is provided with a plurality of first screw holes that match the position of the feed inlet.

[0008] Furthermore, a guide nozzle is slidably disposed inside the first connecting pipe, and a plunger is connected to the center of the guide nozzle by multiple connecting rods. The plunger is slidably disposed inside the outlet of the first connecting pipe.

[0009] Furthermore, a second groove is provided inside the first connecting pipe, the guide nozzle is slidably disposed in the second groove, and the top of the guide nozzle is connected to the inner wall of the second groove by a spring.

[0010] Furthermore, a guide hopper with a discharge hole is fixedly connected to the bottom of the plate.

[0011] Furthermore, a second screw hole matching the position of the discharge hole is provided on the top of the plate.

[0012] The present invention provides a translational unloading mechanism with the following advantages:

[0013] 1. This utility model sets up multiple feed ports and allows the unloading component to slide on the sliding frame, enabling the unloading component to switch and connect with multiple feed ports at different positions. This changes the distance between the unloading component and the injection molding mechanism, thereby changing the melting stroke spacing of the plastic particles. This adapts to the heating and melting of plastic particles of different grades, avoiding the problem of incomplete melting of plastic particles located in the central area of ​​the conveying pipe, and greatly improving the pass rate of plastic parts.

[0014] 2. The unloading assembly can slide on the flat plate along with the second slide plate, thereby aligning the discharge port of the unloading assembly with the discharge hole. By adjusting the unloading speed of the unloading assembly, the amount of material discharged per unit time through the discharge hole can be adapted to the production of different injection molded parts, and the material discharge per unit time can be directly matched with the amount of raw material for producing injection molded parts.

[0015] It should be understood that the foregoing general description and the following detailed description are exemplary and illustrative only, and are not intended to limit this disclosure.

[0016] This application provides an overview of various implementations or examples of the technology described in this disclosure, and is not a full disclosure of the entire scope or all features of the disclosed technology. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 A first-view structural schematic diagram provided for an embodiment of this utility model;

[0019] Figure 2 This is a schematic diagram of the second-view structure provided for an embodiment of the present utility model;

[0020] Figure 3 Provided for the embodiments of this utility model Figure 1 Enlarged view of point A in the middle;

[0021] Figure 4 Provided for the embodiments of this utility model Figure 2 Enlarged view at point B in the middle;

[0022] Figure 5 This is a schematic diagram of the guide nozzle structure provided in an embodiment of the present utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Workbench; 2. Conveying pipe; 3. Sliding frame; 31. First screw hole; 32. First sliding plate; 4. Circular heating element; 41. Semi-circular heating element; 5. Flat plate; 51. First chute; 511. Discharge hole; 52. Second sliding plate; 53. First connecting pipe; 531. Second chute; 54. First mounting plate; 55. First locking screw; 56. Second screw hole; 57. Guide hopper; 6. Hopper; 7. Second connecting pipe; 71. Reinforcing rib; 72. Second locking screw; 8. Handle; 9. Guide nozzle; 91. Spring; 92. Plunger; 93. Connecting rod; 10. Feed inlet. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0026] Please see Figures 1-5A translational unloading mechanism includes a workbench 1, a conveying pipe 2 mounted on the top of the workbench 1, a sliding frame 3 fixedly connected to the conveying pipe 2, a plurality of semi-circular heating elements 41 located below the sliding frame 3 fitted at the lower end of the conveying pipe 2, and a plurality of equally spaced circular heating elements 4 fitted on the outer side of the conveying pipe 2. The circular heating elements 4 are used to heat the conveying pipe 2 to melt the plastic particles inside the conveying pipe 2. A first sliding plate 32 is slidably mounted on the sliding frame 3. A plurality of equally spaced feed ports 10 are arranged in the area inside the sliding frame 3 at the top of the conveying pipe 2. A first connecting pipe 53 connecting the feed ports 10 is arranged above the first sliding plate 32. A plate 5 is fixedly connected above the first connecting pipe 53. A second sliding plate 52 is slidably mounted inside the plate 5. An unloading assembly connecting the first connecting pipe 53 is arranged at the top of the second sliding plate 52. A discharge hole 511 is opened at the end of the first chute 51 away from the sliding frame 3.

[0027] Specifically, this utility model sets up multiple feed ports 10 and slides the unloading component on the sliding frame 3, so that the unloading component can switch and dock with multiple feed ports 10 at different positions. This changes the distance between the unloading component and the injection molding mechanism, thereby changing the melting stroke distance of the plastic particles. This adapts to the heating and melting of plastic particles of different grades, avoiding the problem of incomplete melting of plastic particles located in the central area of ​​the conveying pipe 2, and greatly improving the pass rate of plastic parts.

[0028] Furthermore, the unloading assembly includes a second connecting pipe 7, which is fixedly connected with four reinforcing ribs 71 to increase its pressure-bearing capacity. The bottom of the second connecting pipe 7 is detachably connected to the top of the second slide plate 52 via a second locking screw 72. A hopper 6 is fixedly connected to the top of the second connecting pipe 7. A ball valve is installed inside the second connecting pipe 7, which is controlled by rotating a handle 8 on the second connecting pipe 7. A second screw hole 56 matching the position of the discharge hole 511 is opened on the top of the plate 5. The second locking screw 72 is sequentially threaded to the bottom of the second connecting pipe 7, the second slide plate 52, and the plate 5.

[0029] Specifically, when it is necessary to adjust the material discharge rate per unit time, the ball valve is closed by turning the handle 8, and then the four second locking screws 72 are loosened so that the second locking screws 72 are not connected to the threaded top of the plate 5. The second sliding plate 52 is slid along the first sliding groove 51 until the discharge port of the second connecting pipe 7 corresponds to the discharge hole 511. At this time, the second locking screws 72 can be screwed into the second screw hole 56, so that the second connecting pipe 7 is stably stopped above the discharge hole 511. The plate 5 can be connected to the worktable 1 by the support rod to increase stability. Then, by slowly turning the handle 8, the amount of material flowing out of the discharge hole 511 per unit time is used to determine whether it meets the requirements of the current injection molding production. The optimal opening of the handle 8 is found by testing multiple times. After finding the optimal opening of the handle 8, it is marked, the unloading assembly is moved back to the position connected to the first connecting pipe 53 and installed, and finally the handle 8 is opened to the optimal opening for operation.

[0030] Furthermore, a first mounting plate 54 is fixedly sleeved on the outside of the first connecting pipe 53. The first mounting plate 54 is detachably connected to the top of the first slide plate 32 by a first locking screw 55. The top of the sliding frame 3 is provided with a plurality of first screw holes 31 that match the position of the feed inlet 10. A guide nozzle 9 is slidably disposed inside the first connecting pipe 53. A plunger 92 is connected to the center of the guide nozzle 9 by a plurality of connecting rods 93. The plunger 92 is slidably disposed inside the discharge port of the first connecting pipe 53. A second slide groove 531 is provided inside the first connecting pipe 53. The guide nozzle 9 is slidably disposed inside the second slide groove 531, and the top of the guide nozzle 9 is connected to the inner wall of the second slide groove 531 by a spring 91.

[0031] Specifically, the position of the first slide plate 32 is adjusted as needed to ensure that the plastic particles injected into the conveying pipe 2 by the unloading assembly can completely melt, achieving the molten state required for injection molding. When adjusting the position of the first slide plate 32, the first locking screw 55 is loosened so that it is unscrewed from the first screw hole 31, allowing the first slide plate 32 to slide along the sliding frame 3 with the unloading assembly. After the first connecting pipe 53 is inserted into the appropriate inlet 10, the first locking screw 55 is tightened into the corresponding first screw hole 31 to complete the position switching and installation of the unloading assembly. When the first slide plate 32 moves... As the first connecting pipe 53 moves along with the guide nozzle 9, when the lower inclined position contacts the side wall of the inlet 10, it retracts into the first connecting pipe 53 against the elastic force of the spring 91, causing the plunger 92 to insert into the discharge port of the first connecting pipe 53, thus stopping the discharge of material from the first connecting pipe 53. When the guide nozzle 9 moves into the inlet 10, the guide nozzle 9 loses its contact with the side wall of the inlet 10. Under the elastic force of the spring 91, the guide nozzle 9 slides out of the second sliding groove 531, causing the plunger 92 to slide out of the discharge port of the first connecting pipe 53, and the first connecting pipe 53 can continue to add plastic particles into the conveying pipe 2.

[0032] Furthermore, a guide hopper 57 connected to the bottom of the plate 5 and communicating with the discharge hole 511 is fixedly connected, and the guide hopper 57 plays a guiding role for the plastic particles.

[0033] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A translational unloading mechanism, comprising a worktable (1), characterized in that: The top of the workbench (1) is equipped with a conveying pipe (2), and a sliding frame (3) is fixedly connected to the conveying pipe (2). The lower end of the conveying pipe (2) is fitted with a plurality of semi-circular heating elements (41) located below the sliding frame (3). A first sliding plate (32) is slidably arranged on the sliding frame (3). A plurality of equidistant feed ports (10) are arranged in the area inside the sliding frame (3) at the top of the conveying pipe (2). A first connecting pipe (53) connecting the feed port (10) is arranged above the first sliding plate (32). A plate (5) is fixedly connected above the first connecting pipe (53). A second sliding plate (52) is slidably arranged inside the plate (5). A discharge assembly connecting the first connecting pipe (53) is arranged at the top of the second sliding plate (52). A discharge hole (511) is opened at the end of the first chute (51) away from the sliding frame (3).

2. The translational unloading mechanism according to claim 1, characterized in that, The unloading assembly includes a second connecting pipe (7), the bottom of which is detachably connected to the top of the second slide plate (52) via a second locking screw (72), and a hopper (6) is fixedly connected to the top of the second connecting pipe (7).

3. The translational unloading mechanism according to claim 2, characterized in that, A ball valve is installed inside the second connecting pipe (7), and the ball valve is controlled by rotating the handle (8) installed on the second connecting pipe (7).

4. The translational unloading mechanism according to claim 1, characterized in that, The first connecting pipe (53) is fixedly sleeved with a first mounting plate (54). The first mounting plate (54) is detachably connected to the top of the first sliding plate (32) by a first locking screw (55). The top of the sliding frame (3) is provided with a plurality of first screw holes (31) that match the position of the feed port (10).

5. A translational unloading mechanism according to claim 4, characterized in that, A guide nozzle (9) is slidably disposed inside the first connecting pipe (53). A plunger (92) is connected to the center of the guide nozzle (9) by multiple connecting rods (93). The plunger (92) is slidably disposed inside the outlet of the first connecting pipe (53).

6. A translational unloading mechanism according to claim 5, characterized in that, The first connecting pipe (53) has a second groove (531) inside, the guide nozzle (9) is slidably disposed in the second groove (531), and the top of the guide nozzle (9) is connected to the inner wall of the second groove (531) by a spring (91).

7. The translational unloading mechanism according to claim 1, characterized in that, The bottom of the plate (5) is fixedly connected to a guide hopper (57) that communicates with the discharge hole (511).

8. A translational unloading mechanism according to claim 2, characterized in that, The top of the plate (5) is provided with a second screw hole (56) that matches the position of the discharge hole (511).

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