Blanking gap adjusting structure for thermoforming oil cylinder punching die

By designing the punching gap adjustment structure of the side-mounted guide sleeve and adjustable gasket in the punching mold of the thermoforming cylinder, the problem of unstable punching convex die gap is solved, and the uniformity of the punching convex die gap and the protection of the insert is achieved, which simplifies operation and saves time.

CN222607729UActive Publication Date: 2025-03-14MAGNA TECHNOLOGY & TOOLING SYSTEMS (TIANJIN) CO LTD
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Patent Information

Application Number
CN202420252786.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-02
Publication Date
2025-03-14
Estimated Expiration
2034-02-02

AI Technical Summary

Technical Problem

In the punching mold of the thermoforming cylinder, the gap between the punching convex die is unstable, resulting in an increase in the punching burrs and affecting product quality. Moreover, due to the oil cylinder installation error, it is difficult to adjust the gap between the punching bolt and the oil cylinder, which is easy to cause damage to the insert.

Method used

A punching gap adjustment structure including a side-mounted guide sleeve and an adjustable gasket is designed. By providing gaskets 1, gaskets 2 and gaskets 3 in the side-mounted guide sleeve, and slidingly setting a punching punch inside the side-mounted guide sleeve, adjusting the punching concave die gap is achieved.

Benefits of technology

The structure is simple and easy to install. By adjusting the thickness of the gasket, the position of the punching punch can be adjusted, so as to achieve uniformity of the punching mould gap, avoid damage to the insert, and save time and labor.

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Abstract

The utility model discloses a blanking clearance adjusting structure for a thermoforming oil cylinder punching die, which comprises a side-mounted guide sleeve, the side-mounted guide sleeve is arranged in a groove arranged above the inside of a swaging core insert, a gasket I, a gasket II and a gasket III are respectively arranged between the side-mounted guide sleeve and the inner side wall of the groove of the swaging core insert, and the gasket I, the gasket II and the gasket III are arranged on the side-mounted guide sleeve. The material pressing core insert is arranged on the material pressing core, a punching male die is arranged in a circular hole position formed in the side-mounted guide sleeve in a sliding mode, a connecting rod is arranged above the punching male die, and the upper portion of the connecting rod is connected with the output end of a punching oil cylinder. The die is simple in structure, the side-mounted guide sleeve is convenient to install, the die structure does not need to be machined when adjustment is needed, the position of the punching male die can be adjusted only by increasing the thickness of the gasket, operation is easy, and time is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hot forming stamping dies, in particular to a blanking clearance adjustment structure for a hot forming oil cylinder punching die. Background Art

[0002] With the development of hot forming technology, hot forming molds with punching holes are widely used. Cylinder punching holes are increasingly used due to their compact structure and stable operation. In punching molds, the gap adjustment of the punching convex and concave dies is very important. The uneven gap around the punching hole can easily cause the burr to become larger, affecting the product quality. In order to facilitate installation and oil supply, the cylinder is usually installed on the bottom of the mold, away from the punching punch. The cylinder and the punching punch are connected by an extension rod. The cumulative installation errors of the cylinder, extension rod and punching punch make the gap between the punching convex and concave dies unstable, especially when the punching hole line is close to the boundary of the punch core or the boundary of the insert. The strength of the punch core or the insert itself has deteriorated, and frequent processing and adjustment can easily cause damage to the insert.

[0003] Therefore, based on the above problems, a blanking gap adjustment structure for a hot forming cylinder punching die is proposed. Utility Model Content

[0004] The utility model aims to provide a blanking gap adjustment structure for a hot forming cylinder punching die, comprising a side-mounted guide sleeve, wherein the side-mounted guide sleeve is arranged in a groove opened above the inside of a pressure core insert, gasket one, gasket two and gasket three are respectively arranged between the side-mounted guide sleeve and the inner side wall of the groove of the pressure core insert, the pressure core insert is arranged on the pressure core, a punching punch is slidably arranged in a circular hole opened in the side-mounted guide sleeve, a connecting rod is arranged above the punching punch, and the top of the connecting rod is connected to the output end of the punching cylinder.

[0005] Compared with the prior art, the beneficial effects of the utility model are as follows: the mold structure of the utility model is simple, the side-mounted guide sleeve is easy to install, there is no need to process the mold structure when adjustment is needed, and the position of the punching punch can be adjusted by simply increasing the thickness of the gasket, which is simple to operate and saves time. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is a three-dimensional diagram of the utility model;

[0007] Figure 2 It is a schematic diagram of the connection structure between the side-mounted guide sleeve and the punching punch of the utility model;

[0008] Figure 3 It is a structural schematic diagram of the side-mounted guide sleeve of the utility model;

[0009] Figure 4 It is a front view of the utility model;

[0010] Figure 5 It is a side view of the utility model;

[0011] Figure 6 The utility model is a schematic diagram of the connection structure between the pressing core insert and the side-mounted guide sleeve.

[0012] The reference numerals and names in the figures are as follows:

[0013] 1. Side-mounted guide sleeve; 2. Punching punch; 3. Gasket 1; 4. Gasket 2; 5. Gasket 3; 6. Pressing core insert; 7. Pressing core; 8. Connecting rod; 9. Punching cylinder. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] As attached Figure 1-6 As shown, the utility model provides a blanking gap adjustment structure for a hot forming cylinder punching die, including a side-mounted guide sleeve 1, the side-mounted guide sleeve 1 is arranged in a groove opened above the inside of a pressure core insert 6, a gasket 3, a gasket 4 and a gasket 5 are respectively arranged between the side-mounted guide sleeve 1 and the inner side wall of the groove of the pressure core insert 6, the pressure core insert 6 is arranged on the pressure core 7, a punching punch 2 is slidably arranged in a circular hole opened in the side-mounted guide sleeve 1, a connecting rod 8 is arranged above the punching punch 2, and the connecting rod 8 is connected to the output end of the punching cylinder 9 on the top.

[0016] Specifically, the gasket 1 3 and the gasket 3 5 are arranged on both sides of the side-mounted guide sleeve 1 , and the gasket 2 4 is arranged on the back of the side-mounted guide sleeve 1 .

[0017] Specifically, the thicknesses of the gasket 1 3 , the gasket 2 4 and the gasket 3 5 are adjustable.

[0018] Working principle: When working, by driving the punching cylinder 9, the punching cylinder 9 drives the connecting rod downward, and then the punching punch 2 can slide along the punching direction in the side-mounted guide sleeve 1. When adjusting the gap between the punching convex and concave dies, the punching concave die is used as a reference. By adjusting the thickness of gasket 1 3, gasket 2 4, and gasket 3 5 around the side-mounted guide sleeve 1, the position of the guide sleeve is changed, thereby changing the position of the punching punch 2 and achieving a uniform gap between the punching convex and concave dies.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A blanking gap adjustment structure for a hot forming cylinder punching die, comprising a side-mounted guide sleeve (1), characterized in that: The side-mounted guide sleeve (1) is arranged in a groove opened above the inside of the pressure core insert (6), the pressure core insert (6) is arranged on the pressure core (7), a punching punch (2) is slidably arranged in the circular hole opened inside the side-mounted guide sleeve (1), a connecting rod (8) is arranged above the punching punch (2), and the top of the connecting rod (8) is connected to the output end of the punching cylinder (9).

2. The blanking gap adjustment structure for a hot forming cylinder punching die according to claim 1, characterized in that: Gasket one (3), gasket two (4) and gasket three (5) are respectively arranged between the side-mounted guide sleeve (1) and the inner side wall of the groove of the pressing core insert (6).

3. The blanking gap adjustment structure for a hot forming cylinder punching die according to claim 2 is characterized in that: The gasket one (3) and the gasket three (5) are arranged on both sides of the side-mounted guide sleeve (1), and the gasket two (4) is arranged on the back of the side-mounted guide sleeve (1).