Micro-adjusting device for injection mold

Abstract

The utility model discloses a micro-adjusting device for an injection mold, which relates to the technical field of injection mold adjustment and comprises a base, a lower mold fixedly arranged on the base, an upper mold arranged above the lower mold, a lifting plate fixedly arranged at the top of the upper mold, and an adjusting mechanism arranged on the base and used for driving the lifting plate to move up and down. The adjusting mechanism comprises four screws, the lifting plate is in threaded connection with the four screws, a groove is formed in the bottom of the base, two rotating rods are rotationally arranged on the base and located in the groove, a motor is fixedly arranged on the outer side wall of the base, two first bevel gears are fixedly arranged on the rotating rods, and second bevel gears are fixedly arranged at the bottom ends of the four screws. Two rotating rods drive two first bevel gears to rotate correspondingly, four screws rotate synchronously, then a lifting plate is driven to move up and down, then the lifting plate is adjusted, the adjusting operation is very simple, fine adjustment can be conducted, and therefore it is guaranteed that the heights of the four screws are unified in a supporting mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold adjusting technical field, concretely relates to a kind of injection mold micro-adjustment device. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size. Injection molding is a processing method used in mass production of complex-shaped parts. Specifically, it involves injecting molten plastic into a mold cavity at high pressure using an injection molding machine, and then allowing it to cool and solidify to obtain the shaped product.

[0003] The support column of the existing injection mold is screw-connected to the bottom plate. When adjusting the height of the support column, it is necessary to rotate the support column for adjustment. However, there are multiple support columns between the movable mold plate and the bottom plate. When adjusting the height of the support column, it is necessary to rotate the multiple support columns one by one. The adjustment process is relatively cumbersome. In addition, during the process of adjusting the height of the support column by rotating the support columns one by one, it is difficult to ensure the uniformity of the height of the support columns, which may affect the normal operation of the injection mold. SUMMARY

[0004] The utility model aims to provide a kind of injection mold micro-adjustment device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of injection mold micro-adjustment device, which comprises a base, a lower mold is fixedly arranged on the base, an upper mold is arranged above the lower mold, a lifting plate is fixedly arranged on the top of the upper mold, an adjusting mechanism for driving the lifting plate to move up and down is arranged on the base, the adjusting mechanism comprises four screw rods, the four screw rods are all rotatably connected to the base, the lifting plate is screw-connected with the four screw rods, a groove is formed in the bottom of the base, two rotating rods are rotatably arranged in the groove, a motor is fixedly arranged on the outer wall of the base, the output end of the motor is fixed with one rotating rod, a synchronous assembly is arranged between the two rotating rods, two first bevel gears are fixedly arranged on the rotating rod, a second bevel gear is fixedly arranged at the bottom end of the four screw rods, and the first bevel gear is meshingly connected with the second bevel gear.

[0006] As a further improvement of the technical solution, four L-shaped plates are fixedly arranged on the base, and the top end of each of the four screw rods is rotatably connected with one of the four L-shaped plates.

[0007] As a further improvement of the technical solution, the synchronous assembly comprises a synchronous pulley and a synchronous belt, two synchronous pulleys are provided, the two synchronous pulleys are fixedly arranged on the two rotating rods respectively, and the two synchronous pulleys are drivingly connected through the synchronous belt.

[0008] As a further improvement of the technical solution, the base is fixedly provided with a gas cylinder at the top of the groove, and the output end of the gas cylinder penetrates the base and the lower mold and is fixedly provided with a top plate.

[0009] As a further improvement of the technical solution, the lower mold is provided with a notch at the bottom, which is matched with the top plate.

[0010] As a further improvement of the technical solution, the upper mold is fixedly provided with a T-shaped plate at the top, the lifting plate is provided with a T-shaped groove at the bottom, which is matched with the T-shaped plate, the lifting plate is provided with a bolt at the top, and the lifting plate is connected and fixed with the T-shaped plate through the bolt.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] 1. By setting the adjusting mechanism, the two rotating rods drive the two first bevel gears to rotate, and then the four first bevel gears drive the four second bevel gears to rotate, and the four second bevel gears drive the four screws to rotate, so that the lifting plate moves up and down, and the lifting plate is adjusted, the adjusting operation is very simple, and the micro-adjustment can be carried out, and the height of the four screw supports is uniform.

[0013] 2. By setting the top plate, the output end of the cylinder drives the top plate to move upwards, and the top plate pushes out the plastic parts attached in the lower mold, so that the formed plastic parts are automatically demolded, and manual prying of the plastic parts is not needed, and the plastic parts are very convenient to demold and unload. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic structural view of the whole utility model;

[0015] Figure 2 It is a schematic structural view of the whole utility model;

[0016] Figure 3 It is a schematic structural view of the adjusting mechanism of the utility model;

[0017] Figure 4 It is a schematic structural view of the utility model Figure 2 A schematic structural view of the utility model is enlarged.

[0018] The meanings of the various reference numerals in the drawing are as follows:

[0019] 1. Base; 2. Lower mold; 3. Upper mold; 4. Lifting plate; 5. Adjusting mechanism; 51. Screw; 52. Rotating rod; 53. Motor; 54. First bevel gear; 55. Second bevel gear; 56. Synchronous wheel; 57. Synchronous belt; 6. L-shaped plate; 7. Groove; 8. Cylinder; 9. Top plate; 10. T-shaped plate; 11. Bolt. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, 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" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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 a limitation on the present application.

[0022] Please refer to Figures 1-4The utility model provides a kind of injection mold trace adjustment device, including base 1, lower mould 2 is fixedly arranged on base 1, upper mould 3 is arranged above lower mould 2, lower mould 2 is adapted with upper mould 3, upper mould 3 top is fixedly provided with lifting plate 4, adjusting mechanism 5 that drives lifting plate 4 moves up and down is provided on base 1, adjusting mechanism 5 includes four screw rods 51, four screw rods 51 are all rotationally connected on base 1, four L-shaped plates 6 are fixedly arranged on base 1, four screw rods 51 top end are rotationally connected with four L-shaped plates 6 respectively, support screw rod 51 by L-shaped plate 6 to make screw rod 51 keep stable state when rotating, lifting plate 4 is threadedly connected with four screw rods 51, by making four screw rods 51 synchronous rotation, in turn drive lifting plate 4 moves up and down, in turn adjust lifting plate 4, recess 7 is opened in the bottom of base 1, two rotating rods 52 are rotationally arranged in recess 7 inside base 1, two rotating rods 52 are rotationally connected with recess 7 inner wall, two rotating rods 52 all penetrate through base 1 and extend to the outside of base 1, motor 53 is fixedly arranged on the outside wall of base 1, the output end of motor 53 is fixed with one rotating rod 52, synchronous assembly is provided between two rotating rods 52, synchronous assembly includes synchronous pulley 56 and synchronous belt 57, synchronous pulley 56 is provided with two, two synchronous pulleys 56 are fixedly arranged on two rotating rods 52 respectively, two synchronous pulleys 56 are transmissionally connected by synchronous belt 57, one rotating rod 52 is rotated by motor 53, another rotating rod 52 is rotated by two synchronous pulleys 56 and synchronous belt 57, in turn drive two rotating rods 52 synchronous rotation, two first bevel gears 54 are fixedly arranged on rotating rod 52, second bevel gear 55 is fixedly arranged at the bottom of four screw rods 51, first bevel gear 54 is meshingly connected with second bevel gear 55, two rotating rods 52 drive two first bevel gears 54 to rotate respectively, four first bevel gears 54 drive four second bevel gears 55 to rotate, four second bevel gears 55 drive four screw rods 51 to rotate.

[0023] Cylinder 8 is fixedly arranged on the top of base 1 in recess 7, the output end of cylinder 8 penetrates through base 1 and lower mould 2 and is fixedly provided with top plate 9, slot is opened in the bottom of lower mould 2 and is adapted with top plate 9, top plate 9 is sealingly fitted with slot inner wall, after injection molding is completed, make upper mould 3 move upwards and separate with lower mould 2, start cylinder 8 and drive top plate 9 to move upwards by the output end of cylinder 8, the plastic piece adhered in lower mould 2 is ejected upwards by top plate 9, in turn make the plastic piece of forming automatically demould, without manual pry plastic piece, plastic piece demoulding is very convenient.

[0024] The upper die 3 is fixedly arranged at the top of the T-shaped plate 10, the bottom of the lifting plate 4 is provided with a T-shaped groove matched with the T-shaped plate 10, the top of the lifting plate 4 is provided with a bolt 11, and the lifting plate 4 is connected and fixed with the T-shaped plate 10 through the bolt 11.

[0025] The specific working principle of the utility model is: one rotating rod 52 is driven to rotate by the motor 53, the other rotating rod 52 is driven to rotate by the two synchronous wheels 56 and the synchronous belt 57, then the two rotating rods 52 are synchronously rotated, the two rotating rods 52 drive two first bevel gears 54 to rotate respectively, then four second bevel gears 55 are driven to rotate by the four first bevel gears 54, four screw rods 51 are driven to rotate by the four second bevel gears 55, the four screw rods 51 are synchronously rotated, then the lifting plate 4 is driven to move up and down, then the lifting plate 4 is adjusted, the adjustment operation is very simple, and the micro adjustment can be carried out, then the height supported by the four screw rods 51 is unified.

[0026] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A micro-adjusting device for injection mold, comprising a base (1), a lower mold (2) is fixedly arranged on the base (1), and an upper mold (3) is arranged above the lower mold (2), characterized in that: The top of the upper mold (3) is fixedly provided with a lifting plate (4), the base (1) is provided with an adjusting mechanism (5) for driving the lifting plate (4) to move up and down, the adjusting mechanism (5) comprises four screw rods (51), the four screw rods (51) are all rotationally connected to the base (1), the lifting plate (4) is in threaded connection with the four screw rods (51), the bottom of the base (1) is provided with a groove (7), the base (1) is rotationally provided with two rotating rods (52) in the groove (7), the outer side wall of the base (1) is fixedly provided with a motor (53), the output end of the motor (53) is fixed to one rotating rod (52), a synchronous assembly is arranged between the two rotating rods (52), the rotating rod (52) is fixedly provided with two first bevel gears (54), the bottom end of each of the four screw rods (51) is fixedly provided with a second bevel gear (55), and the first bevel gear (54) is in meshing connection with the second bevel gear (55).

2. A micro-adjustment device for injection molds according to claim 1, characterized in that: The base (1) is fixedly provided with four L-shaped plates (6), and the top end of each of the four screw rods (51) is rotationally connected to the four L-shaped plates (6).

3. The micro-adjustment device for injection molds according to claim 1, characterized in that: The synchronous assembly comprises a synchronous wheel (56) and a synchronous belt (57), the synchronous wheel (56) is provided with two, the two synchronous wheels (56) are fixedly arranged on the two rotating rods (52) respectively, and the two synchronous wheels (56) are in driving connection through the synchronous belt (57).

4. The micro-adjustment device for injection molds of claim 1, wherein: The base (1) is fixedly provided with a gas cylinder (8) at the top of the groove (7), and the output end of the gas cylinder (8) penetrates the base (1) and the lower mold (2) and is fixedly provided with a top plate (9).

5. A micro-adjustment device for an injection mold according to claim 4, wherein: The bottom of the lower mold (2) is provided with a notch matched with the top plate (9), and the top plate (9) is in sealing cooperation with the inner wall of the notch.

6. The micro-adjustment device for injection molds of claim 1, wherein: The top of the upper mold (3) is fixedly provided with a T-shaped plate (10), the bottom of the lifting plate (4) is provided with a T-shaped groove matched with the T-shaped plate (10), the top of the lifting plate (4) is provided with a bolt (11) penetratingly, and the lifting plate (4) is connected and fixed with the T-shaped plate (10) through the bolt (11).

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