Rapid overturning and pitch changing device of bottle blowing machine

The rapid flipping pitch device in the blow molding machine solves the problem of limited adjustment of preform spacing in traditional blow molding machines, realizes rapid flipping and pitch change of workpieces, and improves the degree of automation.

CN223618212UActive Publication Date: 2025-12-02PUTIAN DEXIN MECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202423139965.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-02
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Traditional blow molding machines suffer from limitations in increasing the number of preforms, high processing costs, low space utilization, and poor stability when adjusting the preform spacing.

Method used

A rapid pitch-changing device for a blow molding machine is adopted, comprising a base plate, a lifting mechanism, a rotating mechanism, a pitch-changing adjustment mechanism, and a gripper mechanism. The gripper mechanism clamps the workpiece, the rotating mechanism completes the rotation action, the lifting mechanism adjusts the height, and the pitch-changing adjustment mechanism adjusts the gripper spacing to achieve rapid flipping and pitch changing.

Benefits of technology

It enables rapid workpiece flipping and variable pitch adjustment, improves the level of automation, and is suitable for large-scale promotion and use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223618212U_ABST
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Abstract

The utility model provides a bottle blowing machine quick turn-over pitch change device, including bottom plate, elevating mechanism, rotating mechanism, pitch change adjusting mechanism and clamping jaw mechanism, the rotating mechanism is installed on the bottom plate, the rotating end of the rotating mechanism is equipped with the two sets of clamping jaw mechanism, the pitch change adjusting mechanism is equipped with the pitch change adjusting mechanism, and the pitch change adjusting mechanism is equipped with the two sets of clamping jaw mechanisms. The variable-pitch adjusting mechanism is connected with one clamping jaw mechanism and used for adjusting the distance between the two clamping jaw mechanisms, and the lifting mechanism is installed at the bottom of the bottom plate and used for adjusting the height of the bottom plate. Workpieces are clamped through the clamping jaw mechanisms, the clamped workpieces are rotated through the rotating mechanism, the height of the workpieces can be adjusted through the lifting mechanism, the variable-pitch adjusting mechanism is used for adjusting the distance between the two sets of clamping jaw mechanisms, the variable-pitch action is completed, the structure is compact, rapid overturning and variable-pitch adjustment of the workpieces can be completed, the automation degree is high, and the working efficiency is improved. The method is suitable for large-scale popularization.
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Description

Technical Field

[0001] This utility model relates to the field of blow molding machine equipment, and in particular to a quick pitch change device for blow molding machines. Background Technology

[0002] As a core piece of equipment in the plastic bottle processing industry, the performance of blow molding machines directly affects production efficiency and product quality. Traditional blow molding machines typically rely on a single cam mechanism or linear bearing to drive the opening and closing of the grippers and their positioning when adjusting the preform spacing (i.e., pitch). This not only limits the increase in the number of preforms but also leads to problems such as high processing costs, low space utilization, and poor stability. To overcome these shortcomings, developing a new, efficient, and rapid pitch-changing device for blow molding machines is particularly important. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] In order to solve the above-mentioned problems of the prior art, the present invention provides a quick pitch change device for blow molding machines.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0007] A rapid pitch-changing device for a blow molding machine includes a base plate, a lifting mechanism, a rotating mechanism, a pitch-changing adjustment mechanism, and a gripper mechanism.

[0008] The rotating mechanism is mounted on the base plate, and two sets of gripper mechanisms are mounted on the rotating end of the rotating mechanism;

[0009] The variable pitch adjustment mechanism is connected to one of the gripper mechanisms and is used to adjust the distance between the two gripper mechanisms.

[0010] The lifting mechanism is installed at the bottom of the base plate and is used to adjust the height of the base plate.

[0011] Preferably, the rotating mechanism includes a rotating shaft, a sliding rod, a positioning seat, a bearing seat, a rotating cylinder, and a cylinder seat;

[0012] The cylinder seat is mounted on the base plate;

[0013] The rotary cylinder is mounted on the cylinder base;

[0014] The bearing housing is provided in two sets, which are symmetrically arranged on the base plate;

[0015] The rotating shaft is mounted on two sets of bearing seats, and one end of the rotating shaft extends outward and connects to the rotating cylinder;

[0016] At least two sets of positioning seats are provided and are fixedly installed on the rotating shaft;

[0017] The sliding rod is arranged parallel to the rotating shaft and fixed on the two sets of positioning seats.

[0018] Preferably, the gripper mechanism includes a fixed base, a finger cylinder, and grippers;

[0019] The fixed base is slidably mounted on the rotating shaft and the sliding rod;

[0020] The finger cylinder is fixedly mounted on the fixed base, and the finger cylinder is connected to the gripper.

[0021] Preferably, the pitch adjustment mechanism includes an adjustment cylinder, which is fixedly installed at the tail of the fixed seat, and the piston rod of the adjustment cylinder is connected to one of the positioning seats.

[0022] Preferably, the rotating mechanism further includes a limiting block, which is fixedly disposed on the base plate and located at the corresponding positions of the starting end and the ending end of the rotation of the gripper mechanism, so that the gripper mechanism remains parallel to the base plate when it is at the starting end or the ending end of the rotation.

[0023] Preferably, the lifting mechanism includes a base, a lifting guide rod, and a lifting cylinder;

[0024] The lifting guide rods are provided at the four corners of the bottom of the base plate;

[0025] The base is located directly below the bottom plate, and the base has guide holes corresponding to the lifting guide rod.

[0026] The lifting cylinder is installed between the base and the bottom plate.

[0027] (III) Beneficial Effects

[0028] The beneficial effects of this utility model are as follows: by adopting the above technical solution, the workpiece is clamped by the gripper mechanism, the rotating mechanism completes the rotation of the clamped workpiece, the lifting mechanism can adjust the height of the workpiece, and the pitch adjustment mechanism is used to adjust the distance between the two sets of gripper mechanisms to complete the pitch adjustment action. This application has a compact structure, can complete the rapid flipping and pitch adjustment of the workpiece, has a high degree of automation, and is suitable for large-scale promotion and use. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of a rapid pitch-changing device for a blow molding machine.

[0030] [Explanation of Labels in the Attached Image]

[0031] 1. Base plate;

[0032] 2. Rotating mechanism;

[0033] 21. Rotary cylinder; 22. Cylinder seat; 23. Bearing seat; 24. Rotating shaft; 25. Limiting block; 26. Positioning seat; 27. Sliding rod;

[0034] 3. Gripper mechanism;

[0035] 31. Fixing base; 32. Finger cylinder; 33. Gripper;

[0036] 4. Lifting mechanism;

[0037] 41. Lifting guide rod; 42. Base; 43. Lifting cylinder;

[0038] 5. Adjust the cylinder. Detailed Implementation

[0039] To better explain and facilitate understanding of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] Please refer to Figure 1 This utility model provides a quick pitch-changing device for a blow molding machine, including a base plate 1, a lifting mechanism 4, a rotating mechanism 2, a pitch-changing adjustment mechanism, and a gripper mechanism 3.

[0041] The rotating mechanism 2 is mounted on the base plate 1, and two sets of gripper mechanisms 3 are mounted on the rotating end of the rotating mechanism 2.

[0042] The variable pitch adjustment mechanism is connected to one of the gripper mechanisms 3 and is used to adjust the distance between the two sets of gripper mechanisms 3.

[0043] The lifting mechanism 4 is installed at the bottom of the base plate 1 and is used to adjust the height of the base plate 1;

[0044] In use, the workpiece is gripped by the gripper mechanism 3, the rotating mechanism 2 rotates the gripped workpiece, the lifting mechanism 4 adjusts the height of the workpiece, and the pitch adjustment mechanism adjusts the distance between the two sets of gripper mechanisms 3 to complete the pitch adjustment action. This application has a compact structure, can quickly flip the workpiece and adjust the pitch, has a high degree of automation, and is suitable for large-scale promotion and use.

[0045] In this embodiment, the rotating mechanism 2 includes a rotating shaft 24, a sliding rod 27, a positioning seat 26, a bearing seat 23, a rotating cylinder 21, and a cylinder seat 22;

[0046] The cylinder seat 22 is mounted on the base plate 1;

[0047] The rotary cylinder 21 is mounted on the cylinder seat 22;

[0048] Two sets of bearing seats 23 are provided, which are symmetrically arranged on the base plate 1.

[0049] The rotating shaft 24 is mounted on two sets of bearing seats 23, and one end of the rotating shaft 24 extends outward and connects to the rotating cylinder 21;

[0050] At least two sets of positioning seats 26 are provided and are fixedly installed on the rotating shaft 24;

[0051] The sliding rod 27 is arranged parallel to the rotating shaft 24 and is fixed on the two sets of positioning seats 26;

[0052] In use, the rotating shaft 24 is driven to rotate by the rotating cylinder 21. Under the connection of the positioning seat 26, the sliding rod 27 and the gripper mechanism 3 on the rotating shaft 24 complete a rapid flipping action.

[0053] In this embodiment, the gripper mechanism 3 includes a fixed base 31, a finger cylinder 32, and a gripper 33;

[0054] The fixed base 31 is slidably mounted on the rotating shaft 24 and the sliding rod 27;

[0055] The finger cylinder 32 is fixedly mounted on the fixed base 31, and the finger cylinder 32 is connected to the gripper 33; the workpiece is gripped by the finger cylinder 32 in cooperation with the gripper 33.

[0056] In this embodiment, the pitch adjustment mechanism includes an adjustment cylinder 5, which is fixedly installed at the tail of the fixed base 31. The piston rod of the adjustment cylinder 5 is connected to one of the positioning bases 26. In use, the adjustment cylinder 5 drives the piston rod to extend and retract to complete the pitch adjustment of the gripper mechanism 3. A photoelectric sensor is also installed on the base plate 1 to detect whether the pitch adjustment action has been completed.

[0057] In this embodiment, the rotating mechanism 2 further includes a limiting block 25, which is fixedly disposed on the base plate 1 and located at the corresponding positions of the starting end and the ending end of the rotation of the gripper mechanism 3, so that the gripper mechanism 3 remains parallel to the base plate 1 when it is at the starting end or the ending end of the rotation.

[0058] In this embodiment, the lifting mechanism 4 includes a base 42, a lifting guide rod 41, and a lifting cylinder 43;

[0059] The lifting guide rods 41 are provided at the four corners of the bottom of the base plate 1;

[0060] The base 42 is located directly below the base plate 1, and the base 42 has guide holes corresponding to the lifting guide rod 41.

[0061] The lifting cylinder 43 is installed between the base 42 and the bottom plate 1;

[0062] The height of the base plate 1 is adjusted by the lifting cylinder 43.

[0063] The working principle of this utility model is as follows:

[0064] The workpiece is gripped by the gripper mechanism 3, the rotating mechanism 2 rotates the gripped workpiece, the lifting mechanism 4 adjusts the height of the workpiece, and the pitch adjustment mechanism adjusts the distance between the two gripper mechanisms 3 to complete the pitch adjustment action. This application has a compact structure, can quickly flip the workpiece and adjust the pitch, has a high degree of automation, and is suitable for large-scale promotion and use.

[0065] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0066] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

[0067] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A rapid pitch-changing device for a blow molding machine, characterized in that, It includes a base plate, lifting mechanism, rotating mechanism, pitch adjustment mechanism, and gripper mechanism; The rotating mechanism is mounted on the base plate, and two sets of gripper mechanisms are mounted on the rotating end of the rotating mechanism; The variable pitch adjustment mechanism is connected to one of the gripper mechanisms and is used to adjust the distance between the two gripper mechanisms. The lifting mechanism is installed at the bottom of the base plate and is used to adjust the height of the base plate.

2. The rapid pitch-changing device for a blow molding machine according to claim 1, characterized in that, The rotating mechanism includes a rotating shaft, a sliding rod, a positioning seat, a bearing seat, a rotating cylinder, and a cylinder seat; The cylinder seat is mounted on the base plate; The rotary cylinder is mounted on the cylinder base; The bearing housing is provided in two sets, which are symmetrically arranged on the base plate; The rotating shaft is mounted on two sets of bearing seats, and one end of the rotating shaft extends outward and connects to the rotating cylinder; At least two sets of positioning seats are provided and are fixedly installed on the rotating shaft; The sliding rod is arranged parallel to the rotating shaft and fixed on the two sets of positioning seats.

3. The rapid pitch-changing device for a blow molding machine according to claim 2, characterized in that, The gripper mechanism includes a fixed base, a finger cylinder, and grippers; The fixed base is slidably mounted on the rotating shaft and the sliding rod; The finger cylinder is fixedly mounted on the fixed base, and the finger cylinder is connected to the gripper.

4. The rapid pitch-changing device for a blow molding machine according to claim 3, characterized in that, The pitch adjustment mechanism includes an adjustment cylinder, which is fixedly installed at the tail of the fixed seat, and the piston rod of the adjustment cylinder is connected to one of the positioning seats.

5. A rapid pitch-changing device for a blow molding machine according to claim 2, characterized in that, The rotating mechanism also includes a limiting block, which is fixedly mounted on the base plate and located at the corresponding positions of the starting and ending points of the gripper mechanism's rotation, so that the gripper mechanism remains parallel to the base plate when it is at the starting or ending point of rotation.

6. The rapid pitch-changing device for a blow molding machine according to claim 1, characterized in that, The lifting mechanism includes a base, a lifting guide rod, and a lifting cylinder; The lifting guide rods are provided at the four corners of the bottom of the base plate; The base is located directly below the bottom plate, and the base has guide holes corresponding to the lifting guide rod. The lifting cylinder is installed between the base and the bottom plate.