A mold clamping mechanism for a small blow molding machine

By designing a mold clamping mechanism suitable for small blow molding machines, and using synchronous structures and other components to achieve synchronous motion of front and rear templates, the problem of excessive synchronous structure in the prior art is solved, and is suitable for small spaces of extremely small blow molding machines.

CN222742108UActive Publication Date: 2025-04-11SUZHOU BESTAR BLOW MOLDING MASCH CO LTD
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Patent Information

Application Number
CN202420321078.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-21
Publication Date
2025-04-11
Estimated Expiration
2034-02-21

AI Technical Summary

Technical Problem

In the existing small blow molding mechanism, the synchronous structure is too large and is not suitable for the narrow space of extremely small blow molding machines.

Method used

A mold clamping mechanism of a small blow molding machine is designed, which adopts components such as synchronous structure, balance arm, oil cylinder, mold clamping guide column and mold clamping small frame. The rear template movement is driven through the oil cylinder, and the synchronous structure is used to achieve synchronous movement of the front and rear templates.

Benefits of technology

The synchronous movement of the front and rear templates is realized, and the synchronous structure takes up a small space, which is especially suitable for the narrow space of extremely small blow molding machines.

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Abstract

A clamping mechanism for a small blow molding machine, which relates to the technical field of blow molding machines; a clamping guide column is installed on a clamping trolley frame, a synchronization structure is installed on the clamping guide column, the bottom of the rear template is slidably connected to the clamping guide column, one end of the oil cylinder is installed on the second balance arm, and the other end is connected to the rear template, the first balance arm is fixed to the front template, and the first balance arm is connected to the second balance arm through a balance rod; a mounting seat is fixed on the mounting plate, the middle part of the connecting rod is hinged to the mounting seat through a fixed rotating shaft, and the two ends of the connecting rod are respectively connected to the first connecting rod and the second connecting rod through a connecting shaft, and the ends of the first connecting rod and the second connecting rod are respectively hinged to the synchronization seat, the synchronization seat on the first connecting rod is fixed to the rear template, and the synchronization seat on the second connecting rod is fixed to the second balance arm. The utility model can realize the synchronous movement of the front and rear templates, and the synchronization structure adopted occupies very little space, which is particularly suitable for the narrow space of the clamping mechanism of an extremely small blow molding machine.
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Description

Technical Field

[0001] The utility model relates to the technical field of blow molding machines, in particular to a mold clamping mechanism of a small blow molding machine. Background Art

[0002] In a small blow molding machine, the front and rear mold plates are required to move synchronously. The existing mold clamping mechanism adopts a large synchronous structure, which is not suitable for the narrow space of the extremely small blow molding machine. Therefore, those skilled in the art provide a mold clamping mechanism for a small blow molding machine to solve the problems raised in the above background technology. Summary of the invention

[0003] The purpose of the utility model is to provide a mold clamping mechanism for a small blow molding machine to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: it comprises a synchronous structure, a first balancing arm, a front template, a rear template, an oil cylinder, a second balancing arm, a balancing rod, a mold closing guide column and a mold closing trolley frame; the mold closing guide column is installed on the mold closing trolley frame, the synchronous structure is installed on the mold closing guide column, the bottom of the rear template is slidably connected to the mold closing guide column, one end of the mold closing guide column is installed and connected to the front template, and the other end is fixed to the second balancing arm, one end of the oil cylinder is installed on the second balancing arm, and the other end is installed and connected to the rear template, the first balancing arm is fixed to the front template, The first balancing arm and the second balancing arm are connected through a balancing rod; the synchronization structure comprises a mounting plate, a connecting rod, a first connecting rod, a second connecting rod, a mounting seat, a fixed rotating shaft, a connecting shaft and a synchronization seat; the mounting seat is fixed on the mounting plate, the middle part of the connecting rod is hinged to the mounting seat through a fixed rotating shaft, the two ends of the connecting rod are respectively connected to the first connecting rod and the second connecting rod through a connecting shaft, the ends of the first connecting rod and the second connecting rod are respectively hinged to the synchronization seat, the synchronization seat on the first connecting rod is fixed to the rear template, and the synchronization seat on the second connecting rod is fixed to the second balancing arm.

[0005] Furthermore, a positioning block is fixed to one end of the mounting plate, and a positioning screw is screwed onto the positioning block.

[0006] Furthermore, the mounting plate is provided with a long hole, mounting seats are fixed on both sides of the long hole respectively, and the connecting rod passes through the long hole and is hinged to the mounting seat through a fixed rotating shaft.

[0007] Furthermore, the piston rod end of the oil cylinder is connected to the rear template via a spherical bearing.

[0008] After adopting the above structure, the beneficial effect produced by the utility model is as follows: the clamping mechanism of a small blow molding machine described in the utility model can realize the synchronous movement of the front and rear templates, and the synchronous structure adopted occupies very little space, which is particularly suitable for the narrow space of the clamping mechanism of an extremely small blow molding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural diagram of the utility model;

[0010] Figure 2 This is the main structural diagram of the synchronous structure of the utility model;

[0011] Figure 3 yes Figure 2 It is a top view;

[0012] Figure 4 It is a three-dimensional structural diagram of the synchronous structure of the utility model.

[0013] Description of reference numerals:

[0014] Mounting plate 1, connecting rod 2, connecting rod 3, connecting rod 4, mounting seat 5, positioning block 6, fixed rotating shaft 7, shaft 8, synchronous seat 9, first balancing arm 10, front template 11, rear template 12, oil cylinder 13, second balancing arm 14, balancing rod 15, mold clamping guide column 16, mold clamping trolley frame 17, positioning screw 18, long hole 19. DETAILED DESCRIPTION

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] See Figure 1 —— Figure 4As shown, this specific embodiment adopts the following technical scheme: it includes a synchronous structure, a first balancing arm 10, a front template 11, a rear template 12, a cylinder 13, a second balancing arm 14, a balancing rod 15, a mold clamping guide post 16 and a mold clamping trolley frame 17; the mold clamping guide post 16 is installed on the mold clamping trolley frame 17 through a bracket, and the synchronous structure is installed on the bracket, the bottom of the rear template 12 is slidably connected to the mold clamping guide post 16, one end of the mold clamping guide post 16 is installed and connected to the front template 11, and the other end is fixed to the second balancing arm 14, and the cylinder 13 is fixed to the second balancing arm 14. One end is installed on the second balancing arm 14, and the other end of the piston rod end is installed and connected with the rear template 12 through a joint bearing. The first balancing arm 10 is fixed to the front template 11, and the first balancing arm 10 is connected to the second balancing arm 14 through a balancing rod 15; the synchronization structure includes a mounting plate 1, a connecting rod 2, a first connecting rod 3, a second connecting rod 4, a mounting seat 5, a fixed rotating shaft 7, a connecting shaft 8 and a synchronization seat 9; a long hole 19 is provided on the mounting plate 1, and mounting seats 5 are fixed on both sides of the long hole 19, and the connecting rod 2 passes through the long hole 19 and the mounting seat 5 The mounting seat 5 is hinged by a fixed rotating shaft 7, and the two ends of the connecting rod 2 are respectively connected to the first connecting rod 3 and the second connecting rod 4 through a connecting shaft 8. The ends of the first connecting rod 3 and the second connecting rod 4 are respectively hinged to the synchronous seat 9, and the synchronous seat 9 on the first connecting rod 3 is fixed to the rear template 12, and the synchronous seat 9 on the second connecting rod 4 is fixed to the second balancing arm 14. When the front template 11 and the rear template 12 move synchronously, the cylinder 13 drives the rear template 12 to move backward, and the first connecting rod 3 connected to the rear template 12 moves backward accordingly, and the second connecting rod 4 The second balancing arm 14 moves forward with it, and the relative position of the second balancing arm 14 and the front template 11 is fixed, so the front template 11 moves forward while the rear template 12 moves backward to achieve mold opening; similarly, when the cylinder drives the rear template 12 to move forward, the first connecting rod 3 connected to the rear template 12 moves forward accordingly, and the second connecting rod 4 moves backward with the second balancing arm 14, and the relative position of the second balancing arm 14 and the front template 11 is fixed, so the front template 11 moves backward while the rear template 12 moves forward to achieve mold closing.

[0017] The mounting plate 1 is fixed to the bracket for installing the mold guide column 16 by screws. A positioning block 6 is fixed to one end of the mounting plate 1, and a positioning screw 18 is screwed on the positioning block 6. When the front template 11 and the rear template 12 are opened, the positioning screw 18 is screwed into the bracket for positioning.

[0018] The working principle of the utility model is: the rear template 12 and the second balance arm 14 are driven to move by the oil cylinder 13, and at the same time the second balance arm 14 drives the front template 11 to move via the mold guide column 16, and the synchronous movement of the front template 11 and the rear template 12 is achieved through the synchronous structure.

[0019] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A clamping mechanism for a small blow molding machine, characterized in that: It comprises a synchronous structure, a first balancing arm, a front template, a rear template, an oil cylinder, a second balancing arm, a balancing rod, a mold closing guide column and a mold closing trolley frame; the mold closing guide column is installed on the mold closing guide column, and the synchronous structure is installed on the mold closing guide column, the bottom of the rear template is slidably connected to the mold closing guide column, one end of the mold closing guide column is installed and connected to the front template, and the other end is fixed to the second balancing arm, one end of the oil cylinder is installed on the second balancing arm, and the other end is installed and connected to the rear template, the first balancing arm is fixed to the front template, and the first balancing arm and the second balancing arm are connected through the balancing rod; the synchronous structure comprises a mounting plate, a connecting rod, a first connecting rod, a second connecting rod, a mounting seat, a fixed rotating shaft, a connecting shaft and a synchronous seat; the mounting plate is fixed with a mounting seat, the middle part of the connecting rod is hinged with the mounting seat through a fixed rotating shaft, and the two ends of the connecting rod are respectively connected with the first connecting rod and the second connecting rod through a connecting shaft, and the ends of the first connecting rod and the second connecting rod are respectively hinged with the synchronous seat, the synchronous seat on the first connecting rod is fixed to the rear template, and the synchronous seat on the second connecting rod is fixed to the second balancing arm.

2. The mold clamping mechanism of a small blow molding machine according to claim 1, characterized in that: A positioning block is fixed on one end of the mounting plate, and a positioning screw is screwed on the positioning block.

3. The mold clamping mechanism of a small blow molding machine according to claim 1, characterized in that: The mounting plate is provided with a long hole, mounting seats are respectively fixed on both sides of the long hole, and the connecting rod passes through the long hole and is hinged with the mounting seat through a fixed rotating shaft.

4. The mold clamping mechanism of a small blow molding machine according to claim 1, characterized in that: The piston rod end of the oil cylinder is connected to the rear template through a joint bearing.