Angle bead injection molding device for quantitative injection molding

Abstract

The utility model discloses a quantitative injection molding angle bead injection molding device, which belongs to the technical field of injection molding and comprises a bottom plate, and the upper end of the bottom plate is fixedly connected with a vertical frame; a lower mold is fixedly connected to the bottom in the vertical frame, and an upper mold is arranged at the top in the vertical frame; the upper end of the vertical frame is fixedly connected with a cylinder I; the output end of the cylinder I penetrates through the vertical frame and is fixedly connected with the upper mold; cavities are formed in the inner sides of the upper mold and the lower mold; an auxiliary demolding mechanism is mounted on the inner side of the cavity; the upper end of the bottom plate is connected with a quantitative injection mechanism. Through the mode, the output end of the first air cylinder drives the upper mold to move downwards, when the upper mold and the lower mold are closed, the cavity on the inner side of the upper mold, the cavity on the inner side of the lower mold and the auxiliary demolding mechanism form a forming mold cavity for producing the angle bead, meanwhile, the quantitative injection molding mechanism conducts quantitative injection molding on the mold cavities, waste of injection molding raw materials is reduced, and the production efficiency is improved. The utilization rate of injection molding raw materials is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding technical field, concretely relates to a corner guard injection molding device of quantitative injection molding. BACKGROUND

[0002] Injection molding is an important plastics processing method. It heats raw materials such as plastic particles to a molten state to form a plastic melt, and then injects the melt into a closed mold cavity through the screw or plunger of the injection molding machine under high pressure, and obtains the plastic product of the required shape after cooling and solidification. This field is widely used in many industries and plays an important role in modern manufacturing, driving the development and innovation of various industries.

[0003] Chinese patent CN212979006U discloses an injection molding machine for producing corner guards, which includes an injection molding machine, a mold on one side of the injection molding machine, a housing for covering the mold, the housing including a shell and a baffle, the mold being arranged between the shell and the baffle, the shell top surface being fixedly connected with a slide rail, the slide rail being fixedly connected to the baffle at the end away from the shell, and an exhaust cylinder being slidably connected to the slide rail. However, the device still has the following problems:

[0004] The amount of injection molding is not fixed each time, which leads to waste, increases production cost and reduces the utilization rate of injection molding raw materials when the injection amount is too much.

[0005] Therefore, the utility model designs a corner guard injection molding device for quantitative injection molding to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above shortcomings of the prior art, the utility model provides a corner guard injection molding device for quantitative injection molding.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme:

[0008] A corner guard injection molding device for quantitative injection molding includes a bottom plate,

[0009] The upper end of the bottom plate is fixedly connected with a stand, the inner bottom of the stand is fixedly connected with a lower mold, the inner top of the stand is provided with an upper mold, the upper end of the stand is fixedly connected with a cylinder one, the output end of the cylinder one is fixedly connected with the upper mold through the stand, and the inner sides of the upper mold and the lower mold are provided with cavities for molding;

[0010] An auxiliary demolding mechanism is installed on the inner side of the cavity to facilitate the demolding of the corner guard, and a quantitative injection molding mechanism is connected to the upper end of the bottom plate for quantitative injection molding.

[0011] Further, the auxiliary demolding mechanism comprises two sliding rods, a spring, an inclined block, a moving block, a protruding block, an arc-shaped block and a stop block, one end of the sliding rod is in sliding connection with the side wall of the cavity in the inner side of the lower mold, the other end of the sliding rod is fixedly connected with the moving block, the lower end of the moving block is in sliding contact with the bottom of the cavity, the side wall of the sliding rod is sleeved with the spring, one end of the spring is fixedly connected with the side wall of the cavity, the other end of the spring is connected with the side wall of the moving block, the rear side wall of the moving block is fixedly connected with the protruding block corresponding to the recessed part two of the angle bead, the upper and lower ends of the protruding block are fixedly connected with the arc-shaped block corresponding to the recessed part one of the angle bead, the bottom of the cavity is fixedly connected with the stop block for blocking the formed angle bead, the inner top of the cavity in the inner side of the upper mold is fixedly connected with the inclined block, and the upper end of the moving block is provided with the inclined surface corresponding to the inclined block.

[0012] Further, the side wall of the moving block is provided with the insertion slot for inserting the stop block.

[0013] Further, the quantitative injection mechanism comprises a quantitative feeding assembly and an injection assembly, the upper end of the bottom plate is provided with the quantitative feeding assembly for quantitatively feeding the injection assembly, and the lower side of the quantitative feeding assembly is connected with the injection assembly.

[0014] Further, the quantitative feeding assembly comprises four supporting columns, a tool box, a feeding port, a second air cylinder, a quantitative box, an inlet, an outlet, a baffle and a connecting rod, the upper end of the bottom plate is fixedly connected with the four supporting columns, the upper end of the supporting column is fixedly connected with the tool box, the upper end of the tool box is provided with the feeding port for conveniently adding injection raw materials, the inner side of the tool box is slidably connected with two quantitative boxes, the connecting rod is installed between the quantitative boxes and fixedly connected with the quantitative boxes at the ends, the baffle is installed between the quantitative boxes and fixedly connected with the quantitative boxes, the top of the baffle is flush with the top of the quantitative box, the inner bottom of the tool box is fixedly connected with the second air cylinder, the output end of the second air cylinder is fixedly connected with the rear quantitative box, the upper end of the quantitative box is provided with the inlet, and the lower end of the quantitative box is provided with the outlet, and the volume of the quantitative box is an integer multiple of the injection raw materials required for injection of a single angle bead.

[0015] Further, the side wall of the tool box is provided with the heating device for heating the injection raw materials in the inner side of the quantitative box.

[0016] Further, the injection assembly comprises an injection pipeline, an extruder, a supporting frame and an inlet, the upper end of the bottom plate is fixedly connected with two supporting frames, the upper end of the supporting frame is fixedly connected with the extruder, the lower end of the injection pipeline is fixedly connected with the extruder, the upper end of the injection pipeline is fixedly connected with the tool box, the left end of the upper mold and the lower mold is provided with the inlet, and the right end of the extruder is in communication with the inlet.

[0017] Further, the injection pipeline is a “Y” type pipeline, and the upper end of the injection pipeline is provided with two feeding pipelines.

[0018] Compared with the prior art, the utility model discloses the beneficial effect is: the cylinder output end drives the upper mould to move down, when the upper mould and the lower mould are closed, the cavity of the upper mould inboard, the cavity of the lower mould inboard and the auxiliary demoulding mechanism constitute the forming cavity of the production angle bead, and the quantitative injection mechanism is quantitative injection to the cavity, reduces the waste of injection raw material, improves the utilization of injection raw material, after the angle bead is formed, the cavity of the upper mould inboard, the cavity of the lower mould inboard and the auxiliary demoulding mechanism no longer constitute the forming cavity, and directly expose the angle bead after forming, and the angle bead is directly taken out from the angle bead of the lower mould inboard, convenient and fast, improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will be to the embodiment or prior art description needed to use the drawing briefly introduced. Obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0020] Figure 1 It is the perspective view of the angle bead of the utility model;

[0021] Figure 2 It is the perspective view of the quantitative injection's angle bead injection molding device of the utility model Figure 1 ;

[0022] Figure 3 It is the front view of the quantitative injection's angle bead injection molding device of the utility model;

[0023] Figure 4 It is the perspective view along Figure 3 A-A section of a part;

[0024] Figure 5 It is the enlarged view of B in Figure 4 ;

[0025] Figure 6 It is the perspective view of the quantitative injection's angle bead injection molding device of the utility model Figure 2 ;

[0026] Figure 7 It is the perspective view of the quantitative box of the utility model.

[0027] The reference numerals in the drawing respectively represent:

[0028] 10, bottom plate; 11, corner guard; 12, recess part one; 13, recess part two; 21, upper mold; 22, lower mold; 23, cavity; 24, stand; 25, cylinder one; 3, auxiliary demolding mechanism; 31, sliding rod; 32, spring; 33, inclined block; 34, moving block; 35, protruding block; 36, arc-shaped block; 37, stop block; 4, quantitative injection molding mechanism; 41, quantitative feeding assembly; 411, support column; 412, tool box; 413, feeding port; 414, cylinder two; 415, quantitative box; 416, feeding port; 417, discharging port; 418, baffle; 419, connecting rod; 42, injection assembly; 421, injection pipeline; 422, extruder; 423, support frame; 424, pouring gate. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0030] In the following description, "left", "right", "front", "back", "up", and "down" are oriented with the perspective of the front view.

[0031] Embodiment one: in some embodiments, referring to the accompanying drawings of the specification Figures 1-7 A corner guard injection molding device for quantitative injection molding, comprising a bottom plate 10,

[0032] The upper end of the bottom plate 10 is fixedly connected with a stand 24; the inner bottom of the stand 24 is fixedly connected with a lower mold 22, and the inner top of the stand 24 is provided with an upper mold 21; the upper end of the stand 24 is fixedly connected with a cylinder one 25; the output end of the cylinder one 25 is fixedly connected with the upper mold 21 through the stand 24; the inner sides of the upper mold 21 and the lower mold 22 are provided with cavities 23 for molding;

[0033] The inner side of the cavity 23 is provided with an auxiliary demolding mechanism 3 for facilitating the demolding of the corner guard 11; the upper end of the bottom plate 10 is connected with a quantitative injection molding mechanism 4 for quantitative injection molding.

[0034] The utility model discloses, the cylinder one 25 output end drives the upper die 21 and drives the inclined block 33 inside the cavity 23 to move down, and the inclined block 33 pushes the moving block 34 and moves to the rear side along the slide bar 31 through the slope of the upper end of moving block 34, and spring 32 stretches, when the upper die 21 and the lower die 22 are completely moulded together, the block 37 is inserted with the insertion groove, and the cavity 23 inside the upper die 21, the vertical frame 24 inside the lower die 22 and moving block 34 constitute the forming die cavity of production angle guard 11, after the formation of angle guard 11, the cylinder one 25 output end drives the inclined block 33 and moves up through the upper die 21, and spring 32 drives moving block 34 and moves to the front side along the slide bar 31 and resets, and the block 37 is separated with the insertion groove, and the block 37 blocks the formation of angle guard 11 simultaneously, thereby directly exposing the formation of angle guard 11, and it is convenient to take out angle guard 11 directly from the cavity 23 inside the lower die 22, and it is convenient and fast.

[0035] The auxiliary demolding mechanism 3 includes two slide rods 31, springs 32, inclined blocks 33, moving blocks 34, convex blocks 35, arc-shaped blocks 36 and stop blocks 37, one end of the slide rod 31 is slidably connected with the side wall of the cavity 23 inside the lower die 22, and the other end of the slide rod 31 is fixedly connected with the moving block 34; the lower end of the moving block 34 is slidably attached to the inner bottom of the cavity 23; the side wall of the slide rod 31 is provided with the spring 32; one end of the spring 32 is fixedly connected with the side wall of the cavity 23, and the other end of the spring 32 is connected with the side wall of the moving block 34; the rear side wall of the moving block 34 is fixedly connected with the convex block 35 corresponding to the recessed part one 12 of the angle guard 11; the upper and lower ends of the convex block 35 are fixedly connected with the arc-shaped block 36 corresponding to the recessed part two 13 of the angle guard 11; the inner bottom of the cavity 23 is fixedly connected with the stop block 37 for blocking the formed angle guard 11; the side wall of the moving block 34 is provided with the insertion groove for inserting the stop block 37; the inner top of the cavity 23 inside the upper die 21 is fixedly connected with the inclined block 33, and the upper end of the moving block 34 is provided with the inclined surface corresponding to the inclined block 33.

[0036] In the utility model, the cylinder one 25 output end drives the upper die 21 and drives the inclined block 33 inside the cavity 23 to move down, and the inclined block 33 pushes the moving block 34 and moves to the rear side along the slide bar 31 through the slope of the upper end of moving block 34, and spring 32 stretches, when the upper die 21 and the lower die 22 are completely moulded together, the block 37 is inserted with the insertion groove, and the cavity 23 inside the upper die 21, the vertical frame 24 inside the lower die 22 and moving block 34 constitute the forming die cavity of production angle guard 11, after the formation of angle guard 11, the cylinder one 25 output end drives the inclined block 33 and moves up through the upper die 21, and spring 32 drives moving block 34 and moves to the front side along the slide bar 31 and resets, and the block 37 is separated with the insertion groove, and the block 37 blocks the formation of angle guard 11 simultaneously, thereby directly exposing the formation of angle guard 11, and it is convenient to take out angle guard 11 directly from the cavity 23 inside the lower die 22, and it is convenient and fast.

[0037] The quantitative injection mechanism 4 comprises a quantitative feeding assembly 41 and an injection assembly 42, and the upper end of the bottom plate 10 is provided with the quantitative feeding assembly 41 for feeding the injection assembly 42; the lower side of the quantitative feeding assembly 41 is installed with the injection assembly 42.

[0038] The quantitative feeding assembly 41 comprises four support columns 411, a tool box 412, a feeding port 413, a cylinder two 414, two quantitative boxes 415, an inlet 416, an outlet 417, a baffle 418 and a connecting rod 419, and the upper end of the bottom plate 10 is fixedly connected with the four support columns 411; the upper end of the support column 411 is fixedly connected with the tool box 412; the upper end of the tool box 412 is provided with the feeding port 413 for conveniently adding injection raw materials; the inner side of the tool box 412 is slidably connected with the two quantitative boxes 415, the connecting rod 419 is installed between the quantitative boxes 415, and the end of the connecting rod 419 is fixedly connected with the quantitative box 415; the baffle 418 is installed between the quantitative boxes 415 and fixedly connected with the quantitative box 415, and the top of the baffle 418 is flush with the top of the quantitative box 415; the inner bottom of the tool box 412 is fixedly connected with the cylinder two 414, and the output end of the cylinder two 414 is fixedly connected with the rear quantitative box 415; the upper end of the quantitative box 415 is provided with the inlet 416, and the sidewall of the tool box 412 is provided with a heating device for heating the inner side of the quantitative box 415, which can adopt mature technical means in the art, such as a heating plate with heating wires embedded therein, which will not be described in detail here; the lower end of the quantitative box 415 is provided with the outlet 417; the volume of the quantitative box 415 is an integer multiple of the injection raw materials required for injection of a single corner guard 11.

[0039] The injection assembly 42 comprises an injection pipeline 421, an extruder 422, a support frame 423 and an inlet 424, the upper end of the bottom plate 10 is fixedly connected with the two support frames 423, the upper end of the support frame 423 is fixedly connected with the extruder 422; the lower end of the injection pipeline 421 is fixedly connected with the extruder 422, the upper end of the injection pipeline 421 is fixedly connected with the tool box 412, the injection pipeline 421 is a "Y" type pipeline, and the upper end of the injection pipeline 421 is provided with two feeding pipelines; the left end of the upper mold 21 and the lower mold 22 is provided with the inlet 424, and the right end of the extruder 422 is in communication with the inlet 424.

[0040] The utility model discloses, through the output end of cylinder no. 2 414 drive rear side ration box 415 through connecting rod 419 drive front side ration box 415 in tooling box 412 inside movement, when the injection material enters the ration box 415 inside through the feeding port 413 of rear side ration box 415 upper end and is heated by the heating device, another ration box 415 inside heated injection material enters extruder 422 through injection pipeline 421, and extruder 422 drives heated injection material to enter the forming mould cavity through the injection gate 424, and the above -mentioned procedure is repeated.

[0041] The utility model discloses, through the output end of cylinder no. 2 414 drive rear side ration box 415 through connecting rod 419 drive front side ration box 415 in tooling box 412 inside movement, when the injection material enters the ration box 415 inside through the feeding port 413 of rear side ration box 415 upper end and is heated by the heating device, another ration box 415 inside heated injection material enters extruder 422 through injection pipeline 421, and extruder 422 drives heated injection material to enter the forming mould cavity through the injection gate 424, and the above -mentioned procedure is repeated.

[0042] The above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model is explained in detail with reference to the foregoing examples, those skilled in the art should understand that: it still can modify the technical scheme recorded in foregoing each example, or make equivalent replacement to part technical features; and these modifications or replacements will not make the essence of corresponding technical scheme deviate from the spirit and scope of the technical scheme of each embodiment of the utility model.

Claims

1. A corner protector injection molding device for quantitative injection molding, comprising a base plate (10), characterized in that: the upper end of the base plate (10) is fixedly connected with a stand (24); the inner bottom of the stand (24) is fixedly connected with a lower mold (22), and the inner top of the stand (24) is provided with an upper mold (21); the upper end of the stand (24) is fixedly connected with a cylinder I (25); the output end of the cylinder I (25) is fixedly connected with the upper mold (21) through the stand (24); and the inner sides of the upper mold (21) and the lower mold (22) are provided with a cavity (23) for molding; an auxiliary demolding mechanism (3) for facilitating demolding of the corner protector (11) is mounted on the inner side of the cavity (23); and a quantitative injection molding mechanism (4) for quantitative injection molding is connected to the upper end of the base plate (10). The auxiliary demolding mechanism (3) comprises two sliding rods (31), springs (32), inclined blocks (33), moving blocks (34), protruding blocks (35), arc-shaped blocks (36) and stop blocks (37), one end of the sliding rod (31) is slidingly connected with the side wall of the cavity (23) on the inner side of the lower mold (22), the other end of the sliding rod (31) is fixedly connected with the moving block (34); the lower end of the moving block (34) is slidingly attached to the inner bottom of the cavity (23); the side wall of the sliding rod (31) is sleeved with the spring (32); one end of the spring (32) is fixedly connected with the side wall of the cavity (23), and the other end of the spring (32) is connected with the side wall of the moving block (34); the rear side wall of the moving block (34) is fixedly connected with the protruding block (35) corresponding to the recessed part I (12) of the corner protector (11); the upper and lower ends of the protruding block (35) are fixedly connected with the arc-shaped block (36) corresponding to the recessed part II (13) of the corner protector (11); the inner bottom of the cavity (23) is fixedly connected with the stop block (37) for stopping the molded corner protector (11); the inner top of the cavity (23) on the inner side of the upper mold (21) is fixedly connected with the inclined block (33), and the upper end of the moving block (34) is provided with an inclined surface corresponding to the inclined block (33).

2. The quantitative injection molded corner injection molding apparatus of claim 1, wherein, The side wall of the moving block (34) is provided with a slot for plugging the stop block (37).

3. The quantitative injection molded corner injection molding apparatus of claim 2, wherein, The quantitative injection molding mechanism (4) comprises a quantitative feeding assembly (41) and an injection assembly (42), and the upper end of the base plate (10) is provided with the quantitative feeding assembly (41) for quantitative feeding of the injection assembly (42); and the lower side of the quantitative feeding assembly (41) is connected with the injection assembly (42).

4. The quantitative injection-molded corner injection-molding apparatus according to claim 3, characterized in that ​ 5. The quantitative injection-molded corner injection-molding apparatus according to claim 4, characterized in that The quantitative feeding assembly (41) comprises support columns (411), a tool box (412), a feeding port (413), a cylinder two (414), a quantitative box (415), a feeding port (416), a discharging port (417), a baffle (418), and a connecting rod (419), four support columns (411) are fixedly connected to the upper end of the bottom plate (10); the upper end of the support column (411) is fixedly connected with the tool box (412); the upper end of the tool box (412) is provided with a feeding port (413) for adding injection raw materials; two quantitative boxes (415) are slidably connected to the inner side of the tool box (412), a connecting rod (419) is installed between the quantitative boxes (415), and the ends of the connecting rod (419) are fixedly connected with the quantitative boxes (415); a baffle (418) is installed between the quantitative boxes (415), the baffle (418) is fixedly connected with the quantitative boxes (415), and the top of the baffle (418) is flush with the top of the quantitative boxes (415); a cylinder two (414) is fixedly connected to the inner bottom of the tool box (412), and the output end of the cylinder two (414) is fixedly connected with the rear quantitative box (415); the upper end of the quantitative box (415) is provided with a feeding port (416), and the lower end of the quantitative box (415) is provided with a discharging port (417); the volume of the quantitative box (415) is an integer multiple of the injection raw material required for injection of a single corner guard (11).

6. The quantitative injection-molded corner injection-molding apparatus according to claim 5, characterized in that The side wall of the tool box (412) is provided with a heating device for heating the injection raw material in the quantitative box (415).

7. The quantitative injection-molded corner injection-molding apparatus according to claim 6, characterized in that The injection assembly (42) comprises an injection pipeline (421), an extruder (422), a support frame (423), and a feeding port (424), two support frames (423) are fixedly connected to the upper end of the bottom plate (10), and the upper end of the support frame (423) is fixedly connected with the extruder (422); the lower end of the injection pipeline (421) is fixedly connected with the extruder (422), and the upper end of the injection pipeline (421) is fixedly connected with the tool box (412); the left end of the upper mold (21) and the lower mold (22) is provided with a feeding port (424), and the right end of the extruder (422) is in communication with the feeding port (424).

8. The quantitative injection-molded corner injection-molding apparatus according to claim 7, characterized in that The injection pipeline (421) is a "Y" type pipeline, and two feeding pipelines are arranged at the upper end of the injection pipeline (421).

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