Blow mold positioning device

Abstract

The utility model provides a kind of blow mould positioning device, belong to blow mould technical field, including positioning base, two bidirectional screw rods are rotationally arranged in the positioning base, and driving mechanism is also equipped;Every two threaded sections of bidirectional screw rod is all threadedly connected with first slider, and a plurality of first sliders are all limit slidingly arranged in positioning base, and every first slider is equipped with the insertion rod for limiting lower mould, the top of positioning base is connected with mounting plate by lifting mechanism, and a plurality of second sliders are limit slidingly arranged on mounting plate;Every second slider is equipped with the limiting piece acting on upper mould, and every second slider is equipped with transmission part between corresponding first slider. First slider is adjusted in position, and second slider is also driven to slide synchronously by connecting piece, so as to adjust the installation position of upper mould. The present application can realize the alignment of upper and lower moulds without repeatedly adjusting the position of upper and lower moulds, and the process is simple to operate.

Description

Technical Field

[0001] This utility model belongs to the field of blow molding die technology, and specifically relates to a blow molding die positioning device. Background Technology

[0002] Blow molding, also known as hollow blow molding, is a rapidly developing plastic processing method that uses gas pressure to inflate thermoplastic preforms into hollow products. During the workpiece forming process on a blow molding machine, two molds, upper and lower, need to continuously open and close to eject the workpiece.

[0003] Because different hollow products require different manufacturing specifications, upper and lower molds of different sizes are needed to meet actual production needs. However, existing blow molding equipment often only limits and fixes upper and lower molds of the same size, and cannot limit and fix upper and lower molds of other sizes, making it inflexible and inconvenient for practical use. Therefore, there is an urgent need for a blow molding mold positioning device.

[0004] A patent with publication number CN220763513U discloses a blow molding die positioning device, which includes an upper die, a lower die, a positioning knob, a bidirectional positioning screw, a moving block, a limit screw, a limit nut, an adjusting knob, a driving bevel gear, a driven bevel gear, a bidirectional adjusting screw, and a positioning insert. When installing the upper and lower dies, rotating the positioning knob moves the moving block and the limit screw via the bidirectional positioning screw, adjusting the position of the limit screw. The upper die is then installed on the adjusted limit screw and secured with the limit nut. Subsequently, rotating the adjusting knob, through the meshing of the driving and driven bevel gears, rotates the bidirectional adjusting screw, adjusting the position of the positioning insert. The lower die is then installed on the adjusted positioning insert, thus providing positioning and fixing for upper and lower dies of different sizes.

[0005] However, the above solution requires cumbersome operation when installing the upper and lower molds. Not only does it require rotating the positioning knob to adjust the upper mold's position via the limit screw, but it also requires rotating the adjustment knob to adjust the lower mold's position via the positioning rod. This makes the process inconvenient for practical use. Furthermore, the separate adjustment of the limit screw and positioning rod makes it difficult to achieve proper alignment between upper and lower molds of the same specifications, requiring repeated adjustments. This makes it inconvenient to use and its practical effect is generally limited. Utility Model Content

[0006] To address the problems existing in the background art, this utility model provides a blow molding die positioning device.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A blow molding die positioning device includes a positioning base. Two bidirectional lead screws are rotatably mounted within the positioning base, and a driving mechanism is provided to drive the two bidirectional lead screws to rotate synchronously. Each bidirectional lead screw has two threaded sections threaded with a first slider. Several first sliders are slidably positioned within the positioning base, and each first slider has a rod that limits the lower die. The top of the positioning base is connected to a mounting plate via a lifting mechanism. Several second sliders are slidably positioned on the mounting plate. Each second slider has a limiting component that acts on the upper die. Each second slider corresponds one-to-one with a first slider, and a transmission component is provided between each second slider and its corresponding first slider.

[0009] Furthermore, the drive mechanism includes a motor, which is fixedly embedded in the positioning base. The output shaft of the motor is coaxially and fixedly connected to one end of one of the bidirectional lead screws. Pulleys are fixedly sleeved on the outer surfaces of both bidirectional lead screws, and a belt is sleeved between the two pulleys for transmission.

[0010] Furthermore, the lifting mechanism includes an electric push rod, a support frame is fixedly installed on the top of the positioning base, the electric push rod is fixedly installed on the support frame, and the telescopic shaft of the electric push rod is fixedly connected to the mounting plate.

[0011] Furthermore, the limiting component includes a bolt and a nut, with the bolt sliding through the second slider and the upper mold in sequence and engaging with the nut threadedly.

[0012] Furthermore, the transmission component includes a limiting rod, with the limiting rod fixedly disposed on the outer surface of the first slider and a limiting groove formed on the inner side of the limiting rod; a connecting block is fixedly disposed on the outer surface of the second slider and is slidably disposed within the limiting groove.

[0013] Furthermore, the mounting plate is provided with a second groove for the second slider to slide.

[0014] This application has the following beneficial effects:

[0015] 1. Activating the drive mechanism rotates two bidirectional lead screws, thereby adjusting the position of the first slider on the lead screws. This position is then used to adjust the installation position of the lower mold via the insert rod. Simultaneously, the adjustment of the first slider also drives the second slider to slide synchronously via a connecting piece, thus adjusting the installation position of the upper mold. This application achieves the alignment of the upper and lower molds without requiring repeated adjustments to their positions. The process is simple, convenient, and more suitable for practical use.

[0016] 2. During the mold closing process, the limiting groove limits the connecting block, which improves the stability of the upper mold moving downward and further enhances the practical effect of this application. Attached Figure Description

[0017] The above and other objects, features, and advantages of the present invention will become readily understood by reading the following detailed description of exemplary embodiments with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:

[0018] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the top structure of the positioning base of this utility model;

[0020] Figure 3 This is a utility model Figure 2 A magnified view of a portion of point A in the middle;

[0021] Figure 4 This is a partial plan view of the present invention;

[0022] Figure 5 This is a utility model Figure 4 A magnified view of a portion of point B in the middle;

[0023] Figure 6 This is a schematic diagram of the mounting plate and upper mold structure of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Positioning base; 2. First slide groove; 3. Lower mold; 4. Upper mold; 5. Support frame; 6. Electric push rod; 7. Mounting plate; 8. Two-way lead screw; 9. First slider; 10. Limit groove; 11. Motor; 12. Limit rod; 13. Insert rod; 14. Pulley; 15. Belt; 16. Second slide groove; 17. Second slider; 18. Bolt; 19. Connecting block; 20. Nut. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0027] like Figures 1-6As shown, the technical solution adopted by this utility model is as follows: A blow molding mold positioning device includes a positioning base 1, two first slide grooves 2 are symmetrically opened in the positioning base 1, and a bidirectional lead screw 8 is rotatably arranged in each first slide groove 2, and two first sliders 9 are limited and slidably arranged in each first slide groove 2; the two first sliders 9 in the same first slide groove 2 are threadedly connected to two threaded sections on the bidirectional lead screw 8 in the first slide groove 2 in a one-to-one correspondence, and each first slider 9 is provided with a rod 13 for limiting the lower mold 3 at the top.

[0028] The positioning base 1 is equipped with a drive mechanism for driving the two bidirectional lead screws 8 to rotate synchronously.

[0029] The drive mechanism includes a motor 11, which is fixedly embedded in the positioning base 1. The output shaft of the motor 11 is coaxially fixedly connected to one end of one of the bidirectional lead screws 8. The outer surfaces of the two bidirectional lead screws 8 are fixedly fitted with pulleys 14, and a belt 15 is fitted between the two pulleys 14 for transmission.

[0030] The top of the positioning base 1 is connected to the mounting plate 7 via a lifting mechanism. Two second slide grooves 16 are opened in the mounting plate 7. Two second sliders 17 are slidably arranged in each second slide groove 16. Each second slider 17 is provided with a limiting component that acts on the upper mold 4. The upper mold 4 and the lower mold 3 are arranged opposite to each other. The second sliders 17 correspond one-to-one with the first sliders 9. Each second slider 17 is provided with a transmission component between itself and the corresponding first slider 9.

[0031] The lifting mechanism includes an electric push rod 6, a support frame 5 is fixedly installed on the top of the positioning base 1, the electric push rod 6 is fixedly installed on the support frame 5, and the telescopic shaft of the electric push rod 6 is fixedly connected to the mounting plate 7.

[0032] The limiting components include a bolt 18 and a nut 20. The bolt 18 slides through the second slider 17 and the upper mold 4 in sequence and is threadedly engaged with the nut 20.

[0033] The transmission component includes a limiting rod 12. The limiting rod 12 is fixedly installed on the outer surface of the first slider 9, and a limiting groove 10 is opened on the inner side of the limiting rod 12. The connecting block 19 is fixedly installed on the outer surface of the second slider 17, and the connecting block 19 is slidably installed in the limiting groove 10.

[0034] In this application, during the sliding of the first slider 9, the second slider 17 slides synchronously via the limiting rod 12, enabling the upper mold 4 and the lower mold 3 to slide synchronously. This eliminates the need for repeated adjustments to the positions of the upper mold 4 and the lower mold 3, achieving proper alignment. The process is simple, convenient, and more practical. Simultaneously, during mold closing, the limiting groove 10 limits the connecting block 19, improving the stability of the downward movement of the upper mold 4 and further enhancing the practical effect of this application.

[0035] Working principle: When it is necessary to install the upper mold 4 and the lower mold 3 of the same specification, start the motor 11. The output shaft of the motor 11 drives the bidirectional lead screw 8 connected to it to rotate. The bidirectional lead screw 8 will drive another bidirectional lead screw 8 to rotate through the transmission of the pulley 14 and the belt 15, so that the two bidirectional lead screws 8 rotate synchronously.

[0036] The rotation of the bidirectional lead screw 8 causes the two first sliders 9 connected to it to move closer or further apart within the corresponding first grooves 2, thereby selecting the position of the first sliders 9 according to the actual size of the lower mold 3. The sliding of the first sliders 9 causes the insertion rod 13 to slide synchronously. When the first sliders 9 slide to the appropriate position, the lower mold 3 can be placed on the insertion rod 13 to achieve the limiting of the lower mold 3.

[0037] In addition, as the first slider 9 slides, it will also drive the limiting rod 12 to slide synchronously. The limiting rod 12 will limit the connecting block 19 with the help of the limiting groove 10, so that the second slider 17 slides synchronously in the second slide groove 16, thereby keeping the first slider 9 and the second slider 17 in a relative state.

[0038] Subsequently, the upper mold 4 is fixedly installed on the second slider 17 by the cooperation of bolt 18 and nut 20, thereby achieving the limiting and fixing of the upper mold 4. This application can achieve the alignment of the upper mold 4 and the lower mold 3 without repeatedly adjusting the position of the upper mold 4 and the lower mold 3. The process is simple to operate, convenient to use, and more conducive to practical use.

[0039] Subsequently, the electric push rod 6 is activated, and the upper mold 4 is lowered via the telescopic shaft of the electric push rod 6 to achieve the mold closing operation. During the mold closing process, the limiting groove 10 limits the connecting block 19, which improves the stability of the upper mold 4 when it moves downward, and further enhances the practical effect of this application.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A blow molding die positioning device, characterized in that, The system includes a positioning base (1), which contains two bidirectional lead screws (8) rotatably mounted and a drive mechanism for driving the two bidirectional lead screws (8) to rotate synchronously. Each bidirectional lead screw (8) has two threaded sections connected to a first slider (9). Several first sliders (9) are slidably mounted in the positioning base (1), and each first slider (9) has a rod (13) for limiting the lower mold (3). The top of the positioning base (1) is connected to a mounting plate (7) via a lifting mechanism. Several second sliders (17) are slidably mounted on the mounting plate (7). Each second slider (17) has a limiting component acting on the upper mold (4). The second sliders (17) correspond one-to-one with the first sliders (9), and each second slider (17) has a transmission component between it and the corresponding first slider (9).

2. The blow molding die positioning device according to claim 1, characterized in that, The drive mechanism includes a motor (11), which is fixedly embedded in the positioning base (1). The output shaft of the motor (11) is coaxially fixedly connected to one end of one of the bidirectional lead screws (8). The outer surfaces of the two bidirectional lead screws (8) are fixedly fitted with pulleys (14), and a belt (15) is fitted between the two pulleys (14).

3. The blow molding die positioning device according to claim 1, characterized in that, The lifting mechanism includes an electric push rod (6), a support frame (5) fixedly installed on the top of the positioning base (1), an electric push rod (6) fixedly installed on the support frame (5), and the telescopic shaft of the electric push rod (6) fixedly connected to the mounting plate (7).

4. The blow molding die positioning device according to claim 1, characterized in that, The limiting component includes a bolt (18) and a nut (20). The bolt (18) slides through the second slider (17) and the upper mold (4) in sequence and is threadedly engaged with the nut (20).

5. A blow molding die positioning device according to claim 1, characterized in that, The transmission component includes a limiting rod (12), the limiting rod (12) is fixedly installed on the outer surface of the first slider (9), and a limiting groove (10) is opened on the inner side of the limiting rod (12); a connecting block (19) is fixedly installed on the outer surface of the second slider (17), and the connecting block (19) is slidably installed in the limiting groove (10).

6. The blow molding die positioning device according to claim 1, characterized in that, The mounting plate (7) is provided with a second groove (16) for the second slider (17) to slide.

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