Punch safety door with multiple strokes

By designing a multi-segment stroke safety door for a punch press, using a drive and guide to achieve multi-segment movement of the door body, and combining sensors and locking functions, the problem of balancing production efficiency and safety in existing technologies is solved, and safety protection is achieved in multi-process continuous stamping scenarios.

CN224058584UActive Publication Date: 2026-03-31SUZHOU WANGHONG AUTOMATION EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing protective doors for punch presses are unable to balance production efficiency and operational safety, especially in multi-process continuous punching scenarios, and cannot meet the safety isolation requirements of complex working conditions.

Method used

A multi-stage punch press safety door was designed. The door body is driven to move along the length of the punch press by two spaced-apart drivers, and multi-stage locking is achieved by combining guide parts and sensors to meet the safety protection requirements of complex working conditions.

Benefits of technology

It achieves effective protection for operators in multi-process continuous stamping scenarios, improves the practicality and stability of safety doors, and adapts to the safety isolation requirements of complex working conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a punch safety door with multiple strokes, which belongs to the technical field of punch safety doors and comprises a door body which is mounted at an opening of a punch and moves along the length direction of the punch. The driving part is installed at the bottom of the punching machine, the driving part comprises two first drivers and a second driver, the two first drivers are distributed in a spaced mode, the second driver is located between the two first drivers, the first drivers drive the second driver, and the first drivers drive the second driver. And a driving rod of the second driver is connected with the door body so as to drive the door body. The punching machine safety door has a multi-stroke function, can adapt to multi-procedure continuous punching scenes of a punching machine, meets complex working conditions of the punching machine, achieves protection for an operator, has a multi-locking function, can lock the punching machine safety door at multiple positions, and improves the practicability of the punching machine safety door.
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Description

Technical Field

[0001] This utility model belongs to the technical field of punch press safety doors, and in particular relates to a punch press safety door with a multi-stage stroke. Background Technology

[0002] Punch presses are important pieces of equipment in the metal processing field, widely used in stamping, forming and other processes. While their open structure facilitates operation, there is a risk that operators may accidentally enter dangerous areas during high-speed operation, which can easily lead to mechanical injury accidents.

[0003] Currently, fixed protective doors or single-opening-closing protective doors are often used to protect punch presses. These two types of protective doors are difficult to balance production efficiency and operational safety. Especially in multi-process continuous stamping scenarios, the single stroke of fully open / fully closed leads to an extended production cycle and cannot meet the safety isolation requirements of complex working conditions (such as mold debugging and foreign object removal). Therefore, a punch press safety door with multi-stage stroke is needed to meet the processing requirements of punch presses. Utility Model Content

[0004] This invention overcomes the shortcomings of the prior art by providing a punch press safety door with multiple strokes, thereby solving the problems existing in the prior art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: a punch press safety door with multi-stage stroke, comprising...

[0006] A door body, which is installed at the opening of the punch press and moves along the length of the punch press;

[0007] The drive unit is installed at the bottom of the punch press. The drive unit includes a first driver and a second driver. There are two first drivers that are spaced apart. The second driver is located between the two first drivers and is driven by the first drivers. The drive rod of the second driver is connected to the door body to drive the door body.

[0008] In a preferred embodiment of this utility model, a guide portion is provided at the opening position of the punch press. The guide portion includes a guide rod and a sliding seat. The guide rod is mounted on the punch press through a fixed seat. There are multiple sliding seats arranged along the length direction of the guide rod. The door body is mounted on the sliding seats.

[0009] In a preferred embodiment of the present invention, the door body includes a door frame, a door panel, and a PC board. The door panel and the PC board are both installed on the door frame, and the door panel is connected to the sliding seat through a connecting plate.

[0010] In a preferred embodiment of this utility model, a connecting block is provided at the bottom of the door frame, and the connecting block is connected to the drive rod of the second driver.

[0011] In a preferred embodiment of this utility model, the first driver is mounted on the door body via a fixing plate, and the first driver and the second driver are arranged in opposite directions.

[0012] In a preferred embodiment of this invention, the punch press is equipped with several sensors to determine the position of the door.

[0013] In a preferred embodiment of this utility model, the punch press is provided with a side locking part, the number of side locking parts is the same as the number of sensors and they are arranged in a corresponding manner, the side locking part includes a side locking cylinder and a side locking pin, the side locking cylinder pushes out the side locking pin to lock the door.

[0014] This utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0015] The punch press safety door of this utility model has a multi-stage stroke function, which can adapt to the multi-process continuous punching scenario of the punch press, meet the complex working conditions of the punch press, and realize the protection of the operator. In addition, the punch press safety door of this utility model has a multi-stage locking function, which can lock the punch press safety door in multiple positions, improving the practicality of the punch press safety door. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the present utility model;

[0018] Figure 2 for Figure 1 Enlarged view of section A in the middle;

[0019] Figure 3 This is a partial structural schematic diagram of a preferred embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the door body according to a preferred embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the drive unit in a preferred embodiment of the present invention;

[0022] In the diagram: 100, punch press; 10, door body; 11, door frame; 12, door panel; 13, PC board; 20, drive unit; 21, first driver; 22, second driver; 30, guide unit; 31, guide rod; 32, sliding seat; 40, fixed seat; 50, connecting plate; 60, connecting block; 70, fixed plate; 80, sensor; 90, side lock unit; 91, side lock cylinder; 92, side lock pin. Detailed Implementation

[0023] The following drawings will disclose several embodiments of this utility model. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these physical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0024] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0025] This embodiment provides a safety door for a punch press 100 with multiple strokes. The safety door has a multi-stroke function, which can adapt to the continuous stamping scenario of multiple processes of the punch press 100, meet the complex working conditions of the punch press 100, and achieve protection for the operator. In addition, the safety door of the punch press 100 of this utility model has a multi-stage locking function, which can lock the safety door of the punch press 100 in multiple positions, thereby improving the practicality of the safety door of the punch press 100.

[0026] Combination Figures 1 to 5 As shown, the safety door of the punch press 100 in this embodiment includes a door body 10 and a drive unit 20. The door body 10 is installed at the opening position of the punch press 100. Under the driving action of the drive unit 20, the door body 10 is driven to move along the length direction of the punch press 100.

[0027] In this embodiment, a guide portion 30 is provided at the opening position of the punch press 100. The guide portion 30 includes a guide rod 31 and a sliding seat 32. The guide rod 31 is mounted on the punch press 100 through a fixed seat 40. There are multiple sliding seats 32 arranged along the length direction of the guide rod 31. The door body 10 is mounted on the sliding seat 32. When the door body 10 is opened and closed under the action of the drive portion 20, the door body 10 is connected to the sliding seat 32 through the connecting plate 50. Therefore, the sliding seat 32 will move along the length direction of the guide rod 31. Under the cooperative action of the guide rod 31 and the sliding seat 32, the door body 10 is guided, and the movement stability of the door body 10 is improved.

[0028] Furthermore, the door body 10 in this embodiment includes a door frame 11, a door panel 12, and a PC board 13. The door panel 12 and the PC board 13 are both installed on the door frame 11. In this embodiment, the door frame 11, the door panel 12, and the PC board 13 are fixedly connected. The door panel 12 is connected to the sliding seat 32 through the connecting plate 50 to realize the guiding treatment of the door body 10.

[0029] Combination Figure 1 , Figure 4 as well as Figure 5 As shown, the drive unit 20 of this embodiment is installed at the bottom of the punch press 100. The drive unit 20 includes a first driver 21 and a second driver 22. There are two first drivers 21, which are spaced apart. The second driver 22 is located between the two first drivers 21 and is driven by the first drivers 21. The drive rod of the second driver 22 is connected to the door body 10 to drive the door body 10. In this embodiment, both the first driver 21 and the second driver 22 are cylinders. The first driver 21 is inverted, and the piston rod of the first driver 21 is installed on the door body 10 through the fixing plate 70. The second driver 22 is arranged in the opposite direction to the first driver 21. After the first driver 21 is driven, the second driver 22 is sent to the corresponding position, and then the second driver 22 is started to drive the door body 10 a second time to drive the door body 10 to the corresponding position. In this embodiment, the first driver 21 and the second driver 22 realize the segmented drive of the door body 10, so that the door body 10 has the function of multi-segment stroke.

[0030] In this embodiment, a connecting block 60 is provided at the bottom of the door frame 11. The connecting block 60 is connected to the drive rod of the second driver 22. The second driver 22 drives the door body 10 through the connecting block 60 to achieve stable movement of the door body 10.

[0031] Combination Figure 1 and Figure 2As shown, the punch press 100 of this embodiment is provided with a plurality of sensors 80 to determine the position of the door 10. The punch press 100 is provided with a side lock part 90. The number of side lock parts 90 is the same as that of sensors 80 and they are arranged in a corresponding manner. The side lock part 90 includes a side lock cylinder 91 and a side lock pin 92. The side lock cylinder 91 pushes out the side lock pin 92 to lock the door 10. In this embodiment, there are two sets of sensors 80 and two sets of side lock parts 90. Therefore, the door 10 can be locked at two positions. Combined with the multi-stage stroke drive of the door 10, the movement of the door 10 is more stable and accurate, improving the practicality of the security door.

[0032] In practical use, the safety door of the punch press 100 in this embodiment is installed at the opening of the punch press 100. The door body 10 is driven by the drive unit 20. The first driver 21 and the second driver 22 drive the door body 10 in sequence, so that the door body 10 presents a multi-stage stroke movement, which meets the usage requirements of the punch press 100 and realizes the protection of the operator. The presence of two sets of side locking parts 90 can realize the locking operation of the door body 10 in two positions. Combined with the multi-stage stroke drive of the door body 10, the movement of the door body 10 is more stable and accurate, improving the practicality of the safety door.

[0033] While the present invention has been described above with reference to various embodiments, it should be understood that many changes and modifications can be made without departing from the scope of the present invention. That is, the methods, systems, or devices discussed above are merely examples. Various configurations can be appropriately omitted, substituted, or added to various processes or components. For example, in alternative configurations, methods can be performed in a different order than described, and / or various stages can be added, omitted, and / or combined. Moreover, features described with respect to certain configurations can be combined in various other configurations. Different aspects and elements of the configuration can be combined in a similar manner. Furthermore, as technology develops, many elements are merely examples and do not limit the scope of this disclosure or the claims.

[0034] Specific details are provided in the specification to offer a thorough understanding of exemplary configurations, including implementations. However, configurations can be practiced without these specific details; for example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail to avoid obscuring the configuration. This description provides only exemplary configurations and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes can be made to the function and arrangement of the elements without departing from the spirit or scope of this disclosure.

[0035] Furthermore, although each operation can be described as a sequential process, many operations can be executed in parallel or simultaneously. Additionally, the order of operations can be rearranged. A process may have additional steps. Moreover, examples of methods can be implemented using hardware, software, firmware, middleware, code, hardware description languages, or any combination thereof. When implemented in software, firmware, middleware, or code, the program code or code segments used to perform the necessary tasks can be stored in a non-transitory computer-readable medium such as a storage medium and executed by a processor.

[0036] In summary, the above detailed description is intended to be exemplary rather than limiting, and it should be understood that the claims (including all equivalents) are intended to define the spirit and scope of this invention. These embodiments should be understood as illustrative only and not as limiting the scope of protection of this invention. After reading the description of this invention, those skilled in the art can make various alterations or modifications to it, and these equivalent changes and modifications also fall within the scope defined by the claims of this invention.

Claims

1. A punch press safety door having a multi-stage stroke, characterized by, Comprising A door body (10) is installed at the opening position of a punch (100) and moves along the length direction of the punch (100); A driving part (20) is installed at the bottom of the punch (100), which comprises a first driver (21) and a second driver (22). The first driver (21) is in number of two and is distributed in intervals. The second driver (22) is located between the two first drivers (21) and is driven by the first driver (21). The driving rod of the second driver (22) is connected with the door body (10) to drive the door body (10).

2. A safety door for a punch press having a plurality of strokes as defined in claim 1 wherein, The opening position of the punch (100) is provided with a guide part (30), which comprises a guide rod (31) and a sliding seat (32). The guide rod (31) is installed on the punch (100) through a fixed seat (40). The sliding seat (32) is in number of multiple and is arranged along the length direction of the guide rod (31). The door body (10) is installed on the sliding seat (32).

3. A safety door for a punch press having a plurality of strokes as defined in claim 2 wherein, The door body (10) comprises a door frame (11), a door plate (12) and a PC plate (13). The door plate (12) and the PC plate (13) are installed on the door frame (11). The door plate (12) is connected with the sliding seat (32) through a connecting plate (50).

4. A safety door for a punch press having a plurality of strokes as defined in claim 3 wherein, The bottom of the door frame (11) is provided with a connecting block (60), which is connected with the driving rod of the second driver (22).

5. A safety door for a punch press having a plurality of strokes as defined in claim 1 wherein, The first driver (21) is installed on the door body (10) through a fixed plate (70). The first driver (21) and the second driver (22) are reversely arranged.

6. A safety door for a punch press having a plurality of strokes as defined in claim 1 wherein, The punch (100) is provided with a plurality of inductors (80) to determine the position of the door body (10).

7. A punch press safety door having multiple strokes as defined in claim 6 wherein, The punch (100) is provided with a side lock part (90), which is consistent in number with the inductor (80) and is correspondingly arranged. The side lock part (90) comprises a side lock cylinder (91) and a side lock pin (92). The side lock cylinder (91) pushes out the side lock pin (92) to lock the door body (10).