Novel plastic-replacing-steel automobile light-weight rear tail door electric supporting rod long pipe mold

Abstract

The utility model relates to a novel plastic-to-steel automobile lightweight rear tail door electric stay bar long pipe mould, which comprises a front panel, a push plate, a mould opening and closing cylinder, a pushing cylinder, a front template and a rear template, the front panel is connected with the front template through a front bearing plate, and the telescopic end of the pushing cylinder is connected with an upper pushing plate and a lower pushing plate on the top surface and the bottom surface of the rear template; the pushing base plate is connected with an inner positioning sleeve in a sleeved mode on the ejector pin, the bottom face of the upper wedge-shaped sliding block and the top face of the lower wedge-shaped sliding block are provided with semi-arc-shaped outer shaping grooves, gaps between the two outer shaping grooves and the inner positioning sleeve are injection molding cavities, the pouring hot nozzle extends towards the middle of the outer shaping grooves, and the pouring hot nozzle is sleeved with a cooling sleeve. The cooling sleeve is sleeved with an outer shaping groove, and a gap between the outer shaping groove and the cooling sleeve is an injection molding cavity. The pouring point extends into the middle position of the pipe through the lengthened pouring hot nozzle, pouring is conducted from the middle position of the pipe to the two ends of the pipe, the flow path of raw material liquid is shortened, the raw material liquid cannot be cooled before reaching the end point of the flow path, and the pipe wall subjected to injection molding through middle pouring is uniform.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts molds, in particular to a new type of plastic-for-steel automobile lightweight rear tailgate electric strut long tube mold. Background Technique

[0002] In the injection molding of the pipe body, the injection molding of the long pipe is relatively difficult. The traditional injection method is to inject from one end of the pipe body to the other end. Because the pipe body of the long pipe is relatively long, the raw material liquid has cooled before reaching the other end head during injection, resulting in incomplete filling of the cavity, uneven wall thickness of the product, difficult forming, and reduced product qualification rate. Summary of the Invention

[0003] The utility model aims to solve the deficiencies of the prior art and provides a new type of plastic-for-steel automobile lightweight rear tailgate electric strut long tube mold with an injection method of injecting from the middle to both ends.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A new type of plastic-for-steel automobile lightweight rear tailgate electric strut long tube mold, including a front panel, a push plate, an opening and closing mold cylinder, a pushing cylinder, a front template and a rear template. The front panel is connected to the front template through a front receiving plate. The push plate is connected to the rear template. The push plate, the front template and the rear template are tightly connected through a locking buckle plate. The top and bottom of the push plate are respectively connected to the extending ends of two opening and closing mold cylinders. Four pushing cylinders are respectively installed at the upper and lower parts of the two side surfaces of the rear template. The telescopic ends of the pushing cylinders are connected with upper and lower pushing plates on the top and bottom surfaces of the rear template. The upper and lower pushing plates are slidably connected with wedge-shaped sliders through slide rails. A cooling pipe is arranged inside the wedge-shaped sliders. A top-out mechanism is arranged at the middle position of the push plate. A pushing pad is connected to the front of the top-out mechanism. A ejector pin is arranged on the top-out mechanism. An inner positioning sleeve is sleeved on the ejector pin and connected to the pushing pad. Semi-circular outer shaping grooves are arranged on the bottom surface of the upper wedge-shaped slider and the top surface of the lower wedge-shaped slider. The gap between the two outer shaping grooves and the inner positioning sleeve is the injection cavity. A sealing top plate is arranged at one end of the inner shaping sleeve close to the top-out mechanism. A pouring gate is arranged on the front panel. The pouring gate is internally connected to a sub-gate. The sub-gate is located inside the front receiving plate. The end of the sub-gate is connected to a pouring nozzle. The pouring nozzle extends towards the middle of the outer shaping groove. A cooling sleeve is sleeved outside the pouring nozzle. The cooling sleeve is sleeved outside the outer shaping groove. The gap between the outer shaping groove and the cooling sleeve is the injection cavity. A front blocking block is arranged at the end of the pouring nozzle inside the outer shaping groove. A rear blocking block is arranged at the end of the inner positioning sleeve inside the outer shaping groove. A barrier pad is arranged between the front blocking block and the rear blocking block.

[0006] A cooling water channel is arranged on the inner positioning sleeve.

[0007] The cooling sleeve is provided with a spiral cooling water channel, and the front end of the cooling sleeve is connected to an inlet conduit block, which is communicated with the cooling water channel.

[0008] The end of the ejector pin of the ejecting mechanism abuts against the barrier pad.

[0009] A positioning plate is connected to the inclined surface of the wedge-shaped slider, and the end of the positioning plate is connected to the upper and lower pushing plates.

[0010] Thermocouples are arranged around the sub-gate.

[0011] The beneficial effects of the present utility model are as follows: The pouring point of the present utility model extends into the middle position of the pipe through an extended pouring nozzle, and the pouring is carried out from the middle position of the pipe to both ends. The flow path of the raw material liquid is shortened, and it will not cool down before reaching the end of the flow path, thus unable to complete the pouring. The pipe wall formed by pouring in the middle is uniform, improving the product quality. Description of the Drawings

[0012] Figure 1 is a schematic structural view of the present utility model;

[0013] Figure 2 is the schematic internal structural view of the present utility model after removing the lower slider structure;

[0014] Figure 3 is the front view of the present utility model;

[0015] Figure 4 is Figure 3 the sectional view taken along the line A-A of

[0016] In the figures: 1 - push plate; 2 - rear template; 3 - pushing cylinder; 4 - front template; 5 - front receiving plate; 6 - front panel; 7 - mold opening and closing cylinder; 8 - pouring gate; 9 - lock catch plate; 10 - upper and lower pushing plates; 11 - slide rail; 12 - wedge-shaped slider; 13 - positioning plate; 14 - cooling pipe; 15 - pushing pad; 16 - ejector pin; 17 - inner positioning sleeve; 18 - injection mold cavity; 19 - sealing top plate; 20 - thermocouple; 21 - barrier pad; 22 - outer shaping groove; 23 - cooling sleeve; 24 - rear blocking block; 25 - front blocking block; 26 - sub-gate; 27 - ejecting mechanism; 28 - pouring nozzle; 29 - cooling water channel;

[0017] The following will be described in detail with reference to the embodiments of the present utility model and the accompanying drawings. Detailed Embodiments

[0018] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0019] As Figures 1-4As shown in the figure, a new type of electric strut long tube mold for the lightweight rear tailgate of a plastic-for-steel automobile includes a front panel 6, a push plate 1, a mold opening and closing cylinder 7, a pushing cylinder 3, a front template 4, and a rear template 2. The front panel 6 is connected to the front template 4 through a front bearing plate 5. The push plate 1 is connected to the rear template 2. The push plate 1, the front template 4, and the rear template 2 are tightly connected through a lock catch plate 9. The top and bottom of the push plate 1 are respectively connected to the extending ends of two mold opening and closing cylinders 7. Four pushing cylinders 3 are respectively installed at the upper and lower parts of the two side surfaces of the rear template 2. The telescopic ends of the pushing cylinders 3 are connected with upper and lower pushing plates 10 on the top and bottom surfaces of the rear template 2. The upper and lower pushing plates 10 are slidably connected with a wedge-shaped slider 12 through a slide rail 11. A cooling pipe 14 is arranged inside the wedge-shaped slider 12. A top ejection mechanism 27 is arranged at the middle position of the push plate 1. A pushing backing plate 15 is connected to the front of the top ejection mechanism 27. A ejector pin 16 is arranged on the top ejection mechanism 27. An inner positioning sleeve 17 is sleeved on the ejector pin 16 and connected to the pushing backing plate 15. Semi-circular outer shaping grooves 22 are arranged on the bottom surface of the upper wedge-shaped slider 12 and the top surface of the lower wedge-shaped slider 12. The gap between the two outer shaping grooves 22 and the inner positioning sleeve 17 is an injection cavity 18. A sealing top plate 19 is arranged at one end of the inner shaping sleeve 17 close to the top ejection mechanism 27. A pouring gate 8 is arranged on the front panel 6. The pouring gate 8 is internally connected to a sub-gate 26. The sub-gate 26 is located inside the front bearing plate 5. The end of the sub-gate 26 is connected to a pouring hot nozzle 28. The pouring hot nozzle 28 extends towards the middle of the outer shaping groove 22. A cooling sleeve 23 is sleeved outside the pouring hot nozzle 28. The cooling sleeve 23 is sleeved outside the outer shaping groove 22. The gap between the outer shaping groove 22 and the cooling sleeve 23 is the injection cavity 18. A front blocking block 25 is arranged at the end of the pouring hot nozzle 28 inside the outer shaping groove 22. A rear blocking block 24 is arranged at the end of the inner positioning sleeve 17 inside the outer shaping groove 22. A barrier pad 21 is arranged between the front blocking block 25 and the rear blocking block 24. A cooling water channel 29 is arranged on the inner positioning sleeve 17.

[0020] The cooling sleeve 23 is provided with a spiral cooling water channel 29. The front end of the cooling sleeve 23 is connected to a water inlet conduit block, and the water inlet conduit block is communicated with the cooling water channel 29. The long tube is cooled by the cold water in the cooling water channel 29.

[0021] The end of the ejector pin 16 of the top ejection mechanism 27 abuts against the barrier pad 21, which is convenient for pushing out the long tube.

[0022] A positioning plate 13 is connected to the inclined surface of the wedge-shaped slider 12. The end of the positioning plate 13 is connected to the upper and lower pushing plates 10. The upper and lower pushing plates 10 drive the wedge-shaped slider 12 to slide and connect on the slide rail 11.

[0023] A heating couple 20 is arranged around the sub-gate 26. The heating couple 20 heats the pouring hot nozzle 28 and the pouring liquid to ensure the temperature of the pouring hot nozzle 28 and the pouring liquid and ensure the fluidity of the pouring liquid.

[0024] During application, the opening and closing die cylinder 7 contracts to drive the push plate 1 to move forward towards the front template 4 and the front panel 6, so that the injection nozzle 28 extends in front of the front blocking block 25 at the middle part of the pipe to be injection-molded. Then, the pushing cylinder 3 is activated, and the upper and lower pushing plates 10 drive the wedge-shaped sliders 12 to move along the slide rails 11. The two upper and lower wedge-shaped sliders 12 approach each other, causing the two outer shaping grooves 22 to close into the outer wall of the injection mold cavity. The pouring liquid enters through the injection gate 8, passes through the sub-gate 26, and then reaches the injection nozzle 28. The pouring liquid flows into the injection mold cavity 18 between the cooling sleeve 23 and the outer shaping groove 22 along the gap between the outer wall of the front blocking block 25 and the inner wall of the cooling sleeve 23. The pouring liquid flows from the middle to both ends to form a long pipe. The cooling water is turned on, and the cooling water circulates along the spiral cooling water channel 29 in the cooling sleeve 23. At the same time, cold water is introduced into the inner positioning sleeve 17 to cool the formed long pipe. The telescopic end of the pushing cylinder 3 extends, and the two wedge-shaped sliders 12 slide upward and downward respectively to open the closed outer shaping grooves 22, exposing the poured long pipe. Then, the opening and closing die cylinder 7 extends to withdraw the injection nozzle 28 from the long pipe. Then, the long pipe is pushed off the inner positioning sleeve 17 through the ejection mechanism 27, and then the injection of a new long pipe is carried out in the next round.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0026] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0027] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communication with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] The present utility model has been described exemplarily above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various improvements are made by adopting the method concept and technical solution of the present utility model, or directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.

Claims

1. A new type of long tube mold for electric rear tailgate lightweight car with plastic instead of steel, characterized by: The invention comprises a front panel (6), a push plate (1), a mold opening and closing cylinder (7), a push cylinder (3), a front template (4) and a rear template (2); the front panel (6) is connected to the front template (4) through a front receiving plate (5); the push plate (1) is connected to the rear template (2); the push plate (1), the front template (4) and the rear template (2) are fastened together through a locking plate (9); the top and bottom of the push plate (1) are respectively connected to the protruding ends of the two mold opening and closing cylinders (7); four push cylinders (3) are respectively installed on the upper and lower parts of the two sides of the rear template (2); The telescopic end of the cylinder (3) is connected to an upper and lower push plate (10) at the top and bottom surfaces of the rear template (2). The upper and lower push plates (10) are slidably connected to a wedge-shaped slider (12) through a slide rail (11). A cooling pipe (14) is arranged in the wedge-shaped slider (12). An ejection mechanism (27) is arranged in the middle of the push plate (1). A push pad (15) is connected to the front of the ejection mechanism (27). An ejector pin (16) is arranged on the ejection mechanism (27). An inner positioning sleeve (17) is connected to the push pad (15) and is sleeved on the ejector pin (16). The bottom surface of the square wedge-shaped slider (12) and the top surface of the lower wedge-shaped slider (12) are provided with semi-arc-shaped external shaping grooves (22); the gap between the two external shaping grooves (22) and the inner positioning sleeve (17) is an injection molding cavity (18); one end of the inner shaping sleeve (17) close to the ejection mechanism (27) is provided with a capping plate (19); a pouring gate (8) is provided on the front panel (6); the pouring gate (8) is connected to a branch pouring channel (26); the branch pouring channel (26) is located in the front receiving plate (5); the end of the branch pouring channel (26) is connected to a hot injection nozzle (28); the hot injection nozzle (28) is connected to the hot injection nozzle (28) The nozzle (28) extends toward the middle of the outer shaping groove (22); the outer surface of the hot injection nozzle (28) is connected to the cooling sleeve (23); the outer surface of the cooling sleeve (23) is connected to the outer shaping groove (22); the gap between the outer shaping groove (22) and the cooling sleeve (23) is the injection cavity (18); a front blocking block (25) is arranged at the end of the hot injection nozzle (28) in the outer shaping groove (22); a rear blocking block (24) is arranged at the end of the inner positioning sleeve (17) in the outer shaping groove (22); and a blocking pad (21) is arranged between the front blocking block (25) and the rear blocking block (24).

2. According to claim 1, a new type of plastic-replacing-steel automobile lightweight rear tailgate electric strut long tube mold is characterized in that: The inner positioning sleeve (17) is provided with a cooling water channel (29).

3. According to claim 2, a new type of plastic-replacing-steel automobile lightweight rear tailgate electric strut long tube mold is characterized in that: The cooling jacket (23) is provided with a spiral cooling water channel (29), the front end of the cooling jacket (23) is connected to a water inlet conduit block, and the water inlet conduit block is communicated with the cooling water channel (29).

4. According to claim 3, a new type of plastic-replacing-steel automobile lightweight rear tailgate electric strut long tube mold is characterized in that: The end of the ejector pin (16) of the ejection mechanism (27) is pressed against the barrier pad (21).

5. According to claim 4, a new type of plastic-replacing-steel automobile lightweight rear tailgate electric strut long tube mold is characterized in that: A positioning plate (13) is connected to the inclined surface of the wedge-shaped sliding block (12), and the ends of the positioning plate (13) are connected to the upper and lower pushing plates (10).

6. The novel long tube mold for electric rear tailgate lightweight automobile using plastic instead of steel according to claim 5 is characterized in that: A heating couple (20) is arranged around the branch runner (26).

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