Forming mold for plastic elliptical support

Abstract

The utility model relates to the technical field of forming dies, in particular to a forming die for a plastic elliptical support, which comprises a base, a support column, a workbench, a portal frame, a hydraulic cylinder, a hydraulic telescopic rod, an upper die, a lower die, a top block, a telescopic device and a heat preservation device. According to the utility model, the heat preservation devices are arranged on the two sides of the lower mold, after injection molding between the upper mold and the lower mold is completed, the heat preservation devices are utilized to preserve heat of the lower mold, the arc grooves in the heat preservation plate can wrap the lower mold into the heat preservation plate, the electric heating iron core provides temperature for the lower mold, and the temperature sensors are used for monitoring the temperature in the heat preservation devices; and the heat preservation layer is used for conducting heat preservation on the heat preservation device and preventing the temperature from losing too fast, heat preservation is conducted on a product after injection molding is completed, complete curing of the product is facilitated, curing internal stress is eliminated, and then the percent of pass of the product is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a forming die technical field, concretely is a kind of forming die for plastic elliptical support. BACKGROUND

[0002] Mold is the various moulds and tools of desired product obtained by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, different molds are composed of different parts, and it realizes the processing of the shape of article mainly through the change of the physical state of the formed material. The existing forming die for plastic support in the industrial production process is cooled after injection molding, and the heat loss leads to insufficient product heat preservation time, incomplete product solidification, and poor product qualification rate. Therefore, a kind of forming die for plastic elliptical support is provided to solve the above problems. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of forming die for plastic elliptical support, by setting heat preservation device and other structures, to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of forming die for plastic elliptical support, including base, support column and workbench, the support column is arranged between base and workbench, gantry is provided on the workbench, hydraulic cylinder is provided on the lower bottom surface of the gantry top plate, hydraulic telescopic rod is connected below the hydraulic cylinder, upper die is fixed on the end away from the hydraulic cylinder of the hydraulic telescopic rod;

[0006] Lower die is provided on the workbench below the upper die, top block is provided in the lower die, expansion device is provided on the lower end of the top block, heat preservation device is provided on the both sides of the lower die, the heat preservation device includes heat preservation plate and temperature sensor, the sensor is provided on the side plate of heat preservation plate, arc-shaped groove is provided on the inner side panel of heat preservation plate, electric heating iron core layer is provided around the arc-shaped groove, heat preservation layer is provided on the outside of heat preservation plate.

[0007] As a preferred scheme, first motor is provided on the left and right side walls of the gantry, first telescopic rod is connected to the first motor, and the end away from the first motor of the first telescopic rod is connected to the heat preservation plate.

[0008] As a preferred scheme, through groove is provided in the workbench, expansion device includes second telescopic rod, sleeve and second motor, the upper end of the second telescopic rod is connected to the top block by extending into the through groove, the inner wall of the sleeve is attached to the outer wall of the telescopic rod, the second motor is provided on the bottom plate, and the second motor is connected to the lower end of the second telescopic rod.

[0009] As a preferred scheme, the second telescopic rod is provided with a limiting block on the outer wall, and the limiting block is always located in the through groove.

[0010] As a preferred scheme, the workbench is provided with two fans, and the fans are connected with the third motor arranged on the bottom surface of the workbench.

[0011] As a preferred scheme, the upper mold is provided with an injection hole and a plurality of air outlets, the injection hole is arranged at the center of the upper mold, and the air outlets are arranged around the injection hole.

[0012] It can be seen from the technical scheme of the utility model that the forming mold for plastic elliptical support has the beneficial effects that:

[0013] 1. The utility model discloses a heat preservation device is arranged on the both sides of the lower mold, after injection molding is completed between the upper mold and the lower mold, the heat preservation device is used for heat preservation of the lower mold, the arc groove on the heat preservation plate can wrap the lower mold into the heat preservation plate, the electric heating core provides temperature for the lower mold, the temperature sensor is used for monitoring the temperature in the heat preservation device, prevents temperature from being too high and too low, the heat preservation layer is used for heat preservation of the heat preservation device, prevents temperature from being too fast and losing, after injection molding is completed, the product is heat preserved, and the product solidification is complete, internal stress during solidification is eliminated, and then the product qualified rate is improved.

[0014] 2. The utility model discloses a top block is arranged on the bottom surface of the lower mold, and a telescopic device is arranged below the top block, after the product mold core is cooled and formed, the second telescopic rod is driven to elongate by the second motor, and then the top block is driven to move upward, so that the formed product is demoulded from the lower mold conveniently, and the operation is simple. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model discloses a kind of forming mold for plastic elliptical support;

[0016] Figure 2 It is the sectional view of the utility model discloses a kind of forming mold for plastic elliptical support;

[0017] Figure 3 It is the telescopic device structure schematic view of the utility model discloses a kind of forming mold for plastic elliptical support;

[0018] Figure 4 It is the heat preservation device structure schematic view of the utility model discloses a kind of forming mold for plastic elliptical support;

[0019] Figure 5 It is the upper mold structure schematic view of the utility model discloses a kind of forming mold for plastic elliptical support.

[0020] In the figure: 1, base; 2, support column; 3, workbench; 31, through slot; 4, gantry; 5, hydraulic cylinder; 6, hydraulic telescopic rod; 7, upper mold; 71, injection hole; 72, air outlet hole; 8, lower mold; 81, top block; 9, heat preservation device; 91, heat preservation plate; 92, circular arc groove; 93, electric heating iron core layer; 94, temperature sensor; 95, heat preservation layer; 10, first telescopic rod; 11, first motor; 12, second telescopic rod; 13, sleeve; 14, second motor; 15, limiting block; 16, fan; 17, third motor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will combine with the drawings and examples to make further detailed description to the utility model. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0022] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0023] In the description of the utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0024] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0025] In order to better understand the above technical scheme, the above technical scheme will be described in detail in the following description of the drawings and specific embodiments.

[0026] As Figures 1-5As shown in the utility model embodiment provides a kind of forming mould for plastic elliptical support, including base 1, support column 2 and workbench 3, the support column 2 is arranged between base 1 and workbench 3, gantry 4 is provided on the workbench 3, hydraulic cylinder 5 is provided on the lower bottom surface of the gantry 4 top plate, hydraulic telescopic rod 6 is connected below the hydraulic cylinder 5, upper mould 7 is fixed to the end of hydraulic telescopic rod 6 away from hydraulic cylinder 5;

[0027] Lower mould 8 is provided on the workbench 3 and located directly below upper mould, top block 81 is provided in lower mould 8, telescopic device is provided in the lower end of top block 81, heat preservation device 9 is provided on the both sides of lower mould 8, heat preservation device 9 includes heat preservation plate 91 and temperature sensor 92, sensor 92 is provided on the side plate of heat preservation plate 91, arc-shaped groove 93 is provided on the inner side panel of heat preservation plate 91, electric heating iron core layer 94 is provided around arc-shaped groove 93, heat preservation layer 95 is provided on the outer side of heat preservation plate 91.

[0028] Wherein, hydraulic cylinder 5 is used to drive hydraulic telescopic rod 6 to extend, so as to drive upper mould 7 to approach lower mould 8, then injection molding is carried out between upper mould 7 and lower mould 8, after injection molding is completed, heat preservation plate 91 on both sides is wrapped around lower mould 8 through arc-shaped groove 93, electric heating iron core layer 94 generates heat to heat lower mould 8, temperature sensor 92 is used to measure temperature, to prevent temperature from being too high or too low, when temperature is too high, the fluidity of material is affected, the material is difficult to fill the mold, causing waste, when temperature is too low, product heat preservation time is insufficient, then incomplete solidification defect will appear, heat preservation layer 95 is used to prevent heat loss too fast, causing energy loss, after heat preservation, product is cooled, after cooling is completed, telescopic device is elongated, drives top block 81 to move upward, and the product after forming is ejected from lower mould, the above-mentioned mode facilitates product to fall off in lower mould 8.

[0029] As Figure 2 Shown, first motor 11 is provided on the left and right side walls of gantry 4, first telescopic rod 10 is connected with first motor 11, and the end of first telescopic rod 10 away from first motor 11 is connected with heat preservation plate 9.

[0030] Wherein, first motor 11 provides driving force for first telescopic rod 10, first telescopic rod 10 drives heat preservation plate 9 to move towards each other, so that arc-shaped groove 92 of heat preservation plate 9 wraps lower mould 8.

[0031] As Figure 2As shown, the workbench 3 is provided with a through slot 31, the telescopic device includes a second telescopic rod 12, a sleeve 13 and a second motor 14, the upper end of the second telescopic rod 12 extends into the through slot 31 and is connected with the top block 81, the inner wall of the sleeve 13 is attached to the outer wall of the telescopic rod 12, the second motor 14 is arranged on the bottom plate 1 and is connected with the lower end of the second telescopic rod.

[0032] Wherein, the through slot 31 facilitates the telescopic movement of the second telescopic rod 12 in the workbench 3, when the product needs to be demolded, the second motor 14 drives the second telescopic rod 12 to extend, driving the top block 81 to move upward, facilitating the demolding of the product in the lower mold 8, which is simple and convenient.

[0033] As shown in Figure 2 , the outer wall of the second telescopic rod 12 is provided with a limiting block 15, and the limiting block 15 is always located in the through slot 31.

[0034] Wherein, the limiting block 15 can limit the second telescopic rod 12 to prevent the second telescopic rod 12 from falling out of the through slot 31.

[0035] In combination with Figure 1 and Figure 2 , two fans 16 are arranged on the workbench 3, and the fans 16 are connected with a third motor 17 arranged on the bottom surface of the workbench 3.

[0036] Wherein, after the heat preservation is completed, the heat preservation plate 91 is away from the lower mold 8, and the fan 16 is used to accelerate the cooling speed of the product, and the product is convenient for demolding after cooling, and the third motor 17 is used to drive the motor 16.

[0037] As shown in Figure 5 , the upper mold 7 is provided with an injection hole 71 and a plurality of air outlets 72, the injection hole 71 is arranged at the center of the upper mold 7, and the air outlets 72 are arranged around the injection hole 71.

[0038] Wherein, the injection hole 71 is arranged on the upper mold 7, which facilitates the material to pass between the upper mold 7 and the lower mold 8 during injection molding, and the air outlet 72 is arranged, during the injection molding process, air is discharged through the air outlet 72, which is not easy to form bubbles and affect the injection molding effect.

[0039] The working principle of the embodiment is: when injection molding is needed, the hydraulic cylinder 5 is used to drive the hydraulic telescopic rod 6 to extend and retract, so as to drive the upper mold 7 to approach the lower mold 8, and then injection molding is carried out between the upper mold 7 and the lower mold 8 through the injection hole 71; in the injection molding process, air is discharged through the air outlet hole 72, so that bubbles are not easily formed to affect the injection molding effect; after the injection molding is completed, the heat preservation plates 91 on both sides wrap the lower mold 8 through the arc-shaped grooves 93 to perform heat preservation; after the injection molding is completed, the product is heat preserved, which is beneficial to the complete solidification of the product, eliminates the solidification internal stress, and further improves the product qualification rate; after the heat preservation is completed, the heat preservation plates 91 are away from the lower mold 8, then the third motor 17 is started, the motor 16 is driven, the motor 16 generates convection wind to perform cooling treatment on the product, after the cooling is completed, the second motor 14 drives the second telescopic rod 12 to extend, drives the top plate 81 to move upward, and facilitates the demolding of the product in the lower mold 8.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A forming die for plastic elliptical supports, comprising a base (1), support columns (2) and a worktable (3), characterised in that: The support column (2) is arranged between the base (1) and the workbench (3), the gantry (4) is arranged on the workbench (3), the hydraulic cylinder (5) is arranged on the lower bottom surface of the top plate of the gantry (4), the hydraulic telescopic rod (6) is connected below the hydraulic cylinder (5), and the upper mold (7) is fixed to the end of the hydraulic telescopic rod (6) away from the hydraulic cylinder (5). The lower mold (8) is arranged on the workbench (3) directly below the upper mold, the top block (81) is arranged in the lower mold (8), the telescopic device is arranged at the lower end of the top block (81), the heat preservation device (9) is arranged on both sides of the lower mold (8), the heat preservation device (9) comprises the heat preservation plate (91) and the temperature sensor (92), the sensor (92) is arranged on the side plate of the heat preservation plate (91), the arc-shaped groove (93) is arranged on the inner side panel of the heat preservation plate (91), the electric heating iron core layer (94) is arranged around the arc-shaped groove (93), and the heat preservation layer (95) is arranged outside the heat preservation plate (91).

2. The molding die for plastic elliptical bearing according to claim 1, characterized in that: The first motor (11) is arranged on the left and right side walls of the gantry (4), the first telescopic rod (10) is connected to the first motor (11), and one end of the first telescopic rod (10) away from the first motor (11) is connected with the heat preservation plate (9).

3. The molding die for plastic elliptical bearing according to claim 1, characterized in that: The through groove (31) is arranged in the workbench (3), the telescopic device comprises the second telescopic rod (12), the sleeve (13) and the second motor (14), the upper end of the second telescopic rod (12) is connected with the top block (81) by extending into the through groove (31), the inner wall of the sleeve (13) is attached to the outer wall of the telescopic rod (12), the second motor (14) is arranged on the bottom plate (1), and the second motor (14) is connected with the lower end of the second telescopic rod.

4. The molding die for plastic elliptical bearing according to claim 3, characterized in that: The limiting block (15) is arranged on the outer wall of the second telescopic rod (12), and the limiting block (15) is always located in the through groove (31).

5. The molding die for plastic elliptical bearing according to claim 1, characterized in that: The two fans (16) are arranged on the workbench (3), and the fans (16) are connected with the third motor (17) arranged on the bottom surface of the workbench (3).

6. The molding die for plastic elliptical bearing according to claim 1, characterized in that: The injection molding hole (71) and the plurality of air outlet holes (72) are arranged on the upper mold (7), the injection molding hole (71) is arranged at the center of the upper mold (7), and the air outlet holes (72) are arranged around the injection molding hole (71).

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