Fine adjustment device for blank feeding fixing plate of plastic bottle blowing machine

By introducing an electric push rod and a constraint groove into the preform fixing plate, the problem of large fine-tuning error was solved, achieving precise fine-tuning and stable support, thus improving the production accuracy and efficiency of the plastic blow molding machine.

CN223630969UActive Publication Date: 2025-12-05CHENGDU YOUYUAN PLASTIC IND CO LTD
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Patent Information

Application Number
CN202520027986.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-05
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The existing blank-feeding fixing plate lacks constraints during fine-tuning, leading to excessive fine-tuning. Furthermore, the fine-tuning operation mainly relies on manually tightening bolts, resulting in significant errors.

Method used

A fine-tuning device consisting of a first electric actuator, a crossbar, a limit rod, a limit frame, and a second electric actuator is designed in a single volume. Through the cooperation of the electric actuator and the constraint groove, the blank-feeding fixing plate and the blank-feeding star wheel are ensured to be located on the same plane to avoid errors, and stable support is provided by the threaded column and the support plate.

Benefits of technology

It enables precise fine-tuning of the blank-feeding fixing plate, reduces errors, improves production efficiency and stability, and avoids errors caused by manual operation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223630969U_ABST
    Figure CN223630969U_ABST
Patent Text Reader

Abstract

The utility model discloses a plastic bottle blowing machine blank feeding fixing plate fine adjustment device which comprises a base, a positioning plate, a threaded column and a blank feeding fixing plate body, an inserting groove is formed in the left side of the top end of the base, the bottom end of the positioning plate is located on the inner side of the inserting groove and vertically slides along the inserting groove, and the side wall of the positioning plate is fixedly connected with the blank feeding fixing plate body. A top plate is fixedly connected to the side wall of the positioning plate above the blank feeding fixing plate body, a first electric push rod is fixedly connected to the center of the top end of the top plate, the telescopic end of the first electric push rod penetrates through the top plate and is fixedly connected with a cross rod, a first restraining groove is formed in the surface, facing the left end of the cross rod, of the positioning plate, and limiting rods are fixedly connected to the left side and the right side of the bottom of the cross rod. Manual adjustment is replaced by arranging the first electric push rod and the second electric push rod, constraint can be provided in the adjustment process through the arranged first constraint groove and the arranged second constraint groove, new errors caused by excessive adjustment are avoided, operation is convenient and fast, and practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plastic bottle blowing machine technical field, concretely is a kind of plastic bottle blowing machine embryo fixed plate fine adjustment device. BACKGROUND

[0002] Plastic bottle blowing machine is a kind of equipment that is made into hollow container by blowing process to plastic particles or preform, plastic particles or preform is heated and softened, then it is blown into the bottle of required shape using high-pressure gas, and embryo fixed plate is a key component in plastic bottle blowing machine, main function is to stabilize and fix the position of plastic bottle embryo, prevent bottle embryo from displacement or rotation in processing process, to ensure the precision and production efficiency of bottle blowing, it is usually made of steel and other materials, with certain thickness and hardness, in plastic bottle blowing machine, it is usually used with positioning column and embryo star wheel and other components.

[0003] Since embryo fixed plate is used to fix and feed plastic bottle embryo, it needs to ensure with embryo star wheel level, the existing embryo fixed plate usually lacks constraint when fine tuning, and it is basically realized by manual screwing bolt operation when fine tuning, so the probability of error is larger. Therefore, a new technical scheme is needed to solve it. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of plastic bottle blowing machine embryo fixed plate fine adjustment device, solve the problem that the existing embryo fixed plate in background art usually lacks constraint when fine tuning, and it is basically realized by manual screwing bolt operation when fine tuning, so the probability of error is larger.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A kind of plastic bottle blowing machine embryo inlet fixing plate fine adjustment device, including base, positioning plate, threaded column and embryo inlet fixing plate main body, the top end left side of the base is provided with slot, the bottom of the positioning plate is located in the inside of slot and along slot vertical sliding, the side wall of the positioning plate is fixedly connected with embryo inlet fixing plate main body, the side wall of the positioning plate above embryo inlet fixing plate main body is fixedly connected with top plate, the top end center of the top plate is fixedly connected with No. 1 electric push rod, the telescopic end of No. 1 electric push rod penetrates top plate and is fixedly connected with cross bar, the positioning plate surface of the left end of cross bar is provided with No. 1 constraint slot, the bottom of cross bar is fixedly connected with limiting rod on left and right sides;The top end of the base of slot left side is fixedly connected with limiting stand, the positioning plate surface of the horizontal position of limiting stand is provided with No. 2 constraint slot, the top end of the base between limiting stand and slot is fixedly connected with No. 2 electric push rod, the top end of No. 2 electric push rod is fixedly connected, the top telescopic end of No. 2 electric push rod is fixedly connected with fixed block, and fixed block is fixedly connected on the side wall surface of positioning plate, the surface of the base of slot right end is vertically penetrated and is fixedly connected with threaded column, the top end of threaded column is rotatably connected with support plate by bearing.

[0006] In this technical scheme, No. 1 electric push rod is started, drives cross bar to descend, so that the bottom two limiting rods are respectively contacted with the surface of embryo inlet fixing plate main body and embryo star wheel, No. 1 electric push rod cannot continue to descend under the block of left No. 1 constraint slot, whether the top surface of embryo inlet fixing plate main body and embryo star wheel is located in the same plane is observed, No. 2 electric push rod is started, drives fixed block and positioning plate to ascend, when the left end of cross bar is contacted with the inner bottom of No. 1 constraint slot, the top end of limiting stand is contacted with the inner top end of No. 2 constraint slot, at this time, embryo inlet fixing plate main body and embryo star wheel are just located in the same plane, the two constraint slots arranged can constrain adjustment amplitude, avoid the problem that new error is generated by excessive adjustment;After adjustment is completed, threaded column is twisted and ascends until support plate is tightly attached to embryo inlet fixing plate main body, at this time, positioning plate can be supported, so that it maintains current height, after supporting is completed, No. 1 electric push rod and No. 2 electric push rod can be retracted, avoid that it is in force state for a long time, and the stability of embryo inlet fixing plate main body is ensured.

[0007] Preferably, the left end of the cross bar is located in the inside of No. 1 constraint slot and is attached to the inner side wall of No. 1 constraint slot, and the top right end of the limiting stand is located in the inside of No. 2 constraint slot and is attached to the inner side wall of No. 2 constraint slot.

[0008] Preferably, the surface of the threaded column on the upper and lower sides of the base is fixedly connected with a limiting nut.

[0009] Preferably, the top right side of the base is fixedly connected with a support frame, the convex surface of the support frame is rotationally connected with an embryo feeding star wheel, and the embryo feeding star wheel and the embryo feeding fixed plate body are a passing area of plastic bottle embryos.

[0010] Preferably, the horizontal plate is kept horizontal, and the two limiting rods at the bottom of the horizontal plate are in contact with the surfaces of the embryo feeding fixed plate body and the embryo feeding star wheel respectively.

[0011] Preferably, the threaded column is kept vertical with the base and the embryo feeding fixed plate body simultaneously.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The utility model discloses a one-way electric push rod, a horizontal rod, a limiting rod, a limiting frame and a second electric push rod, which can fine tune the embryo feeding fixed plate body, the one-way electric push rod is started, drives the horizontal rod to descend, makes the two limiting rods at the bottom in contact with the surfaces of the embryo feeding fixed plate body and the embryo feeding star wheel respectively, the second electric push rod is started, drives the fixed block and the positioning plate to ascend, when the left end of the horizontal rod is in contact with the inner bottom of the first constraint groove, and the top end of the limiting frame is in contact with the inner top end of the second constraint groove, the embryo feeding fixed plate body and the embryo feeding star wheel are just located on the same plane, since the two electric push rods are used to replace the hand to adjust, and the two constraint grooves are arranged to constrain the adjustment range, the problem that new errors are caused by excessive adjustment is avoided.

[0014] 2. The utility model discloses a threaded column and a support plate, which can support the positioning plate, after adjustment is completed, the threaded column is twisted and made to ascend until the support plate is tightly attached to the embryo feeding fixed plate body, at this moment, the positioning plate can be supported and kept at the current height, after the support is completed, the first electric push rod and the second electric push rod can be retracted, the state that the first electric push rod and the second electric push rod are in force is avoided for a long time, and the stability of the embryo feeding fixed plate body is ensured. DRAWINGS

[0015] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0016] Figure 1 It is the overall view of the utility model;

[0017] Figure 2 It is the top view schematic drawing of the utility model.

[0018] In the figure: 1, base; 2, slot; 3, positioning plate; 301, No. 1 constraint groove; 302, No. 2 constraint groove; 4, top plate; 5, No. 1 electric push rod; 6, crossbar; 601, limiting rod; 7, embryo feeding fixed plate main body; 8, threaded column; 801, limiting nut; 802, support plate; 9, limiting frame; 10, No. 2 electric push rod; 11, fixed block; 12, support frame; 13, embryo feeding star wheel; 14, plastic bottle embryo. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the following further elaborates in combination with specific embodiments.

[0020] A plastic bottle blowing machine embryo feeding fixed plate fine adjustment device, see Figures 1 to 2 , including base 1, positioning plate 3, threaded column 8 and embryo feeding fixed plate main body 7, the top end left side of base 1 is provided with slot 2, the bottom end of positioning plate 3 is located at the inner side of slot 2 and vertically slides along slot 2, the side wall of positioning plate 3 is fixedly connected with embryo feeding fixed plate main body 7, the side wall of positioning plate 3 above embryo feeding fixed plate main body 7 is fixedly connected with top plate 4, the top end center of top plate 4 is fixedly connected with No. 1 electric push rod 5, the telescopic end of No. 1 electric push rod 5 penetrates through top plate 4 and is fixedly connected with crossbar 6, the surface of positioning plate 3 towards the left end of crossbar 6 is provided with No. 1 constraint groove 301, the bottom of crossbar 6 is fixedly connected with limiting rod 601 on the left and right sides; the top end of base 1 left side of slot 2 is fixedly connected with limiting frame 9, the surface of positioning plate 3 horizontal position of limiting frame 9 is provided with No. 2 constraint groove 302, the top end of base 1 between limiting frame 9 and slot 2 is fixedly connected with No. 2 electric push rod 10, the top end of No. 2 electric push rod 10 is fixedly connected, the top telescopic end of No. 2 electric push rod 10 is fixedly connected with fixed block 11, and fixed block 11 is fixedly connected to the side wall surface of positioning plate 3, No. 1 electric push rod 5 is started, drives crossbar 6 to descend, makes the bottom two limiting rods 601 respectively contact with the surface of embryo feeding fixed plate main body 7 and embryo feeding star wheel 13, No. 2 electric push rod 10 is started, drives fixed block 11 and positioning plate 3 to ascend, when the left end of crossbar 6 contacts with the inner bottom of No. 1 constraint groove 301, the top end of limiting frame 9 contacts with the inner top end of No. 2 constraint groove 302, at this time, embryo feeding fixed plate main body 7 and embryo feeding star wheel 13 are just located in the same plane, because the upper and lower two electric push rods replace the hand to adjust, the problem that new error is generated by excessive adjustment is avoided.

[0021] Specifically, as shown in Figure 1 , the left end of crossbar 6 is located in the inner side of No. 1 constraint groove 301 and is attached to the inner side wall of No. 1 constraint groove 301, and the top right end of limiting frame 9 is located in the inner side of No. 2 constraint groove 302 and is attached to the inner side wall of No. 2 constraint groove 302.

[0022] It needs to be explained that according to the setting, the crossbar 6 is in contact with the inner bottom of the first constraint groove 301, the limiting frame 9 is in contact with the inner top of the second constraint groove 302, and the above two conditions are met at the same time, the embryo feeding fixed plate main body 7 and the top surface of the embryo feeding star wheel 13 are flush, so the setting is only needed to start and stop the first electric push rod 5 and the second electric push rod 10 during adjustment, without other redundant steps, very convenient, without worrying about over-adjustment.

[0023] It is worth mentioning that, as shown in Figure 1 and Figure 2 , the top right side of the base 1 is fixedly connected with a support frame 12, the protruding part of the support frame 12 is rotatably connected with an embryo feeding star wheel 13, and the embryo feeding star wheel 13 and the embryo feeding fixed plate main body 7 are the passing area of the plastic bottle embryo 14.

[0024] The surface of the base 1 at the right end of the slot 2 is vertically penetrated and threadedly connected with a threaded column 8, the top end of the threaded column 8 is rotatably connected with a support plate 802 through a bearing, and the threaded column 8 is twisted to rise until the support plate 802 tightly adheres to the embryo feeding fixed plate main body 7, at this time, the positioning plate 3 can be supported to maintain the current height, ensuring the stability of the embryo feeding fixed plate main body 7.

[0025] Specifically, as shown in Figure 1 , the surfaces of the threaded columns 8 on the upper and lower sides of the base 1 are all threadedly sleeved with limiting nuts 801, and the limiting nuts 801 are tightened to make the threaded columns 8 keep stable support and cannot rotate freely.

[0026] It is worth mentioning that, as shown in Figure 1 , the crossbar 6 remains horizontal, and the two limiting rods 601 at the bottom of the cross plate are respectively in contact with the surfaces of the embryo feeding fixed plate main body 7 and the embryo feeding star wheel 13, and the two limiting rods 601 are completely identical in size, so that the flush condition of the embryo feeding fixed plate main body 7 and the embryo feeding star wheel 13 can be observed.

[0027] It is worth mentioning that, as shown in Figure 1 , the threaded column 8 is perpendicular to the base 1 and the embryo feeding fixed plate main body 7 at the same time, thereby providing vertical stable support.

[0028] In actual use, the horizontal arrangement of the embryo feeding fixed plate body 7 and the embryo feeding star wheel 13 jointly constitutes a plastic bottle embryo 14 feeding path, the first electric push rod 5 is started to drive the cross rod 6 to descend, so that the two limiting rods 601 at the bottom are in contact with the surfaces of the embryo feeding fixed plate body 7 and the embryo feeding star wheel 13, the first electric push rod 5 cannot continue to descend under the blockage of the left first constraint groove 301, so that whether the top surfaces of the embryo feeding fixed plate body 7 and the embryo feeding star wheel 13 are located in the same plane is observed, if not flush, the second electric push rod 10 is started to drive the fixed block 11 and the positioning plate 3 to ascend, and can only ascend to a certain height under the blockage of the second constraint groove 302 and the limiting frame 9, when the left end of the cross rod 6 is in contact with the inner bottom of the first constraint groove 301, and the top end of the limiting frame 9 is in contact with the inner top end of the second constraint groove 302, at this time, the embryo feeding fixed plate body 7 and the embryo feeding star wheel 13 are located in the same plane, since the two electric push rods are used instead of hands to adjust, and the two constraint grooves are arranged to constrain the adjustment range, the problem that new errors are generated due to excessive adjustment is avoided; after the adjustment is completed, the threaded column 8 is twisted to ascend until the supporting plate 802 is tightly attached to the embryo feeding fixed plate body 7, at this time, the positioning plate 3 can be supported to maintain the current height, after the supporting is completed, the first electric push rod 5 and the second electric push rod 10 can be retracted to avoid being in the force state for a long time, and the stability of the embryo feeding fixed plate body 7 is ensured.

[0029] In addition, the components designed in the utility model are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by the technical personnel through a technical manual or through a conventional experimental method, and the technical personnel in the art can completely realize it without further description, and the content protected by the utility model does not involve improvement of the internal structure and method.

[0030] The embodiments of the utility model disclose preferable embodiments, but are not limited thereto, and those skilled in the art can easily understand the spirit of the utility model according to the above-mentioned embodiments, and make different inferences and changes, as long as they do not deviate from the spirit of the utility model, they are within the protection scope of the utility model.

Claims

1. A fine adjustment device for embryo fixing plate of plastic bottle blowing machine, comprising a base (1), a positioning plate (3), a threaded column (8) and an embryo fixing plate body (7), characterized in that: The top left side of the base (1) is provided with a slot (2), the bottom end of the positioning plate (3) is located inside the slot (2) and slides along the slot (2), the side wall of the positioning plate (3) is fixedly connected with the embryo entering fixed plate body (7), the top plate (4) is fixedly connected with the side wall of the positioning plate (3) above the embryo entering fixed plate body (7), the top end of the top plate (4) is fixedly connected with a first electric push rod (5), the telescopic end of the first electric push rod (5) penetrates the top plate (4) and is fixedly connected with the horizontal rod (6), the surface of the positioning plate (3) facing the left end of the horizontal rod (6) is provided with a first constraint groove (301), the bottom of the horizontal rod (6) is fixedly connected with a limiting rod (601) on the left and right sides, the top end of the base (1) on the left side of the slot (2) is fixedly connected with a limiting frame (9), the surface of the positioning plate (3) at the horizontal position of the limiting frame (9) is provided with a second constraint groove (302), the top end of the base (1) between the limiting frame (9) and the slot (2) is fixedly connected with a second electric push rod (10), the top end of the second electric push rod (10) is fixedly connected, the top telescopic end of the second electric push rod (10) is fixedly connected with a fixed block (11), and the fixed block (11) is fixedly connected to the side wall surface of the positioning plate (3), the surface of the base (1) on the right end of the slot (2) is vertically penetrated and screw connected with a threaded column (8), and the top end of the threaded column (8) is rotatably connected with a supporting plate (802) through a bearing.

2. The fine adjustment device for the embryo fixing plate of a plastic bottle blowing machine according to claim 1, characterized in that: The left end of the horizontal rod (6) is located inside the first constraint groove (301) and fits with the inner side wall of the first constraint groove (301), and the top right end of the limiting frame (9) is located inside the second constraint groove (302) and fits with the inner side wall of the second constraint groove (302).

3. The fine adjustment device for the preform fixing plate of a plastic bottle blowing machine according to claim 1, characterized in that: The surface of the threaded column (8) on the upper and lower sides of the base (1) is screw connected with a limiting nut (801).

4. The fine adjustment device for the preform fixing plate of a plastic bottle blowing machine according to claim 1, characterized in that: The top right side of the base (1) is fixedly connected with a supporting frame (12), and the protruding part of the supporting frame (12) is rotatably connected with an embryo entering star wheel (13).

5. The fine adjustment device for the preform fixing plate of a plastic bottle blowing machine according to claim 1, characterized in that: The horizontal rod (6) remains horizontal, and the two limiting rods (601) at the bottom of the horizontal plate respectively contact the surfaces of the embryo entering fixed plate body (7) and the embryo entering star wheel (13).

6. The fine adjustment device for the preform fixing plate of a plastic bottle blowing machine according to claim 1, characterized in that: The threaded column (8) remains perpendicular to the base (1) and the embryo entering fixed plate body (7).