Safety door structure of press machine
By introducing a plug rod, locking element, and triggering mechanism into the safety door of the press, the problem of magnetic disengagement caused by vibration was solved, enabling reliable closing and opening of the safety door of the press and improving operational safety.
Patent Information
- Application Number
- CN202520431138.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-12
AI Technical Summary
The safety door of the existing press is prone to magnetic disengagement due to vibration during operation, posing a safety hazard.
A safety door structure including a magnetic chuck, a plug rod, a locking element, and a triggering mechanism is designed. The cabinet door can be reliably closed and opened through the engagement and disengagement process of the plug rod and the locking element. The slope of the plug rod guides the roller into the slot and drives the plug rod to rotate through the triggering mechanism to ensure stable locking of the door.
This effectively prevents the door from detaching due to vibration, improves the safety of press operation, and ensures the safety of operators.
Smart Images

Figure CN223867802U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to safety door structure technical field, concretely relates to a press safety door structure. BACKGROUND
[0002] The background technology of the press safety door usually relates to the equipment protection and safety guarantee in industrial production. The press is an important mechanical equipment, and is widely used in metal processing, plastic forming and other fields. It needs to bear a large pressure in the working process, so there is a certain security risk. In order to ensure the safety of the operator and avoid accidents caused by operation error or equipment failure, the safety door system of the press is born.
[0003] The closing structure of the existing safety door is closed by the way of magnetic attraction. However, there will be continuous vibration in the working process of the press, which will lead to the magnetic attraction disconnection and opening of the door body. UTILITY MODEL CONTENT
[0004] Therefore, the utility model aims at providing a press safety door structure to solve the technical problem that the door body will exist magnetic attraction disconnection and opening due to continuous vibration in the working process of the press.
[0005] In order to achieve the above purpose, the utility model provides a press safety door structure, which comprises a cabinet body and a cabinet door hingedly arranged on the cabinet body.
[0006] The safety door structure further comprises a magnetic attractor, the magnet part of the magnetic attractor is arranged at the cabinet door frame, and the adsorption part of the magnetic attractor is arranged on the inner wall of the cabinet door.
[0007] The cabinet door is provided with a plug rod, a slot is formed on the plug rod, and the cabinet door frame is provided with a locking part for engaging with the slot of the plug rod.
[0008] The outer part of the cabinet door is provided with a trigger mechanism for releasing the connection between the locking part and the plug rod.
[0009] Preferably, the plug rod is in a cylindrical shape, and the slot is formed on the outer edge surface of the end of the plug rod facing the cabinet door frame.
[0010] Preferably, the locking part comprises a frame arranged at the cabinet door frame, and a rolling body arranged on the frame for engaging with the slot of the plug rod.
[0011] The locking part further comprises a first spring arranged on the frame for driving the rolling body to descend.
[0012] Preferably, a longitudinal slot is formed on the frame, and a sliding block is slidably arranged in the longitudinal slot.
[0013] The rolling body is a roller, the axial direction of the roller is consistent with the axial direction of the inserting rod, and the two ends of the roller shaft are rotationally connected with the sliding block.
[0014] Preferably, one end of the inserting rod towards the door frame of the cabinet is provided with a slope surface for guiding the rolling body into the slot.
[0015] Preferably, the trigger mechanism comprises a push piece arranged on the handle, the push piece is slidingly connected with the handle, and the handle is provided with a second spring for pushing the push piece close to the outer wall of the cabinet door.
[0016] The trigger mechanism further comprises a linkage assembly for driving the inserting rod to rotate, and the input end of the linkage assembly is in transmission connection with the push piece.
[0017] Preferably, the linkage assembly comprises a driving rod slidingly arranged on the outer wall of the cabinet door, one end of the driving rod is provided with a connecting rod, one end of the connecting rod is hingedly connected with the driving rod, and the other end of the connecting rod is hingedly connected with the push piece.
[0018] The other end of the driving rod is formed with a rack, the inserting rod penetrates through the cabinet door and is rotationally connected with the cabinet door, the outer end of the inserting rod is provided with a gear, and the gear is in meshing connection with the rack.
[0019] Preferably, the cabinet door is provided with a hollow window, and the window is provided with a PVC plate.
[0020] The beneficial effects of the present application are as follows:
[0021] In the process of completing the closure of the cabinet door, the inserting rod will pass through the roller of the locking member, the inner end slope surface of the inserting rod guides the roller to the outer edge surface of the inserting rod, and with the completion of the cabinet door, the roller will be embedded into the slot of the inserting rod under the pushing of the sliding block driven by the first spring, and at this time, the locking task of the cabinet door will be completed. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only a part of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;
[0024] Figure 2 It is a schematic diagram of the internal structure of the present application;
[0025] Figure 3 It is a schematic diagram of the internal structure of the present application; Figure 2 the enlarged view of C of the present application;
[0026] Figure 4 For Figure 3 the enlarged view of D in figure;
[0027] Figure 5 For Figure 1 the enlarged view of A in figure;
[0028] Figure 6 For Figure 1 the enlarged view of B in figure.
[0029] Reference numerals in the figures are:
[0030] 1-cabinet body; 2-cabinet door; 21-grip; 3-magnetic attractor; 4-locking part; 41-frame body; 42-rolling body; 421-roller; 422-sliding block; 43-first spring; 5-inserting rod; 51-groove; 52-slope surface; 6-trigger mechanism; 61-paddle; 62-second spring; 63-linkage assembly; 64-driving rod; 65-link; 66-rack; 67-gear. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further explained in detail in combination with specific embodiments.
[0032] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0033] The utility model discloses a press machine safety door structure, as shown in Figures 1 to 6 Fig. 1 shows a cabinet body 1 and the cabinet door 2 hingedly arranged on the cabinet body 1, the cabinet door 2 is externally provided with a grip 21;
[0034] The safety door structure further comprises a magnetic attractor 3, the magnet part of the magnetic attractor 3 is arranged at the door frame of the cabinet body 1, and the adsorption part of the magnetic attractor 3 is arranged on the inner wall of the cabinet door 2;
[0035] The cabinet door 2 is provided with a plug rod 5, and a notch 51 is formed in the plug rod 5; a locking member 4 is arranged at the door frame of the cabinet 1 and is used to engage with the notch 51 of the plug rod 5.
[0036] A trigger mechanism 6 is arranged outside the cabinet door 2 and is used to release the connection between the locking member 4 and the plug rod 5.
[0037] The plug rod 5 is in a cylindrical shape, and the notch 51 is formed in the outer edge surface of the end of the plug rod 5 which faces the door frame of the cabinet 1.
[0038] The locking member 4 comprises a frame 41 arranged at the door frame of the cabinet 1, and a rolling body 42 is arranged on the frame 41 and is used to engage with the notch 51 of the plug rod 5.
[0039] The locking member 4 further comprises a first spring 43 arranged on the frame 41 and used to drive the rolling body 42 to descend.
[0040] A longitudinal slot is formed in the frame 41, and a sliding block 422 is slidingly arranged in the longitudinal slot.
[0041] The rolling body 42 is a roller 421, the axial direction of the roller 421 is consistent with the axial direction of the plug rod 5, and the two ends of the axle of the roller 421 are rotationally connected with the sliding block 422.
[0042] The end of the plug rod 5 which faces the door frame of the cabinet 1 has a slope surface 52, and the slope surface 52 is used to guide the rolling body 42 to enter the notch 51.
[0043] The trigger mechanism 6 comprises a push piece 61 arranged on a handle 21, the push piece 61 is slidingly connected with the handle 21, and a second spring 62 is arranged on the handle 21 and is used to push the push piece 61 to be close to the outer wall of the cabinet door 2.
[0044] The trigger mechanism 6 further comprises a linkage assembly 63 used to drive the plug rod 5 to rotate, and the input end of the linkage assembly 63 is drivingly connected with the push piece 61.
[0045] The linkage assembly 63 comprises a driving rod 64 slidingly arranged on the outer wall of the cabinet door 2, one end of the driving rod 64 is provided with a connecting rod 65, one end of the connecting rod 65 is hingedly connected with the driving rod 64, and the other end of the connecting rod 65 is hingedly connected with the push piece 61.
[0046] The other end of the driving rod 64 is formed with a rack 66, the plug rod 5 penetrates through the cabinet door 2 and is rotationally connected with the cabinet door 2, the outer end of the plug rod 5 is provided with a gear 67, and the gear 67 engages with the rack 66.
[0047] In the embodiment, a pressing machine is arranged inside the cabinet 1.
[0048] In the process of closing the cabinet door 2 to the door frame of the cabinet body 1, the closing process is completed through the cooperation of the magnet part of the magnetic suction device 3 at the door frame and the inner wall adsorption part of the cabinet door 2.
[0049] In the process of completing the closing of the cabinet door 2, the plug rod 5 will pass through the roller 421 of the locking part 4, and through the guidance of the inner end slope surface 52 of the plug rod 5, it will pass to the outer edge surface of the plug rod 5, and with the completion of the cabinet door 2, the roller 421 will be embedded into the slot 51 of the plug rod 5 under the descending of the sliding block 422 pushed by the first spring 43, at this time, the locking task of the cabinet door 2 will be completed;
[0050] When the cabinet door 2 needs to be opened subsequently, the worker needs to hold the hand grip 21 and pinch the push piece 61, the push piece 61 pulls one end of the connecting rod 65 after overcoming the pre-tightening force of the second spring 62, at this time, the other end of the connecting rod 65 will pull the driving rod 64 to move, due to the meshing relationship between the rack 66 and the gear 67, the rack 66 at the outer end of the driving rod 64 will drive the gear 67 to rotate by one hundred and eighty degrees, and in the process of the plug rod 5 rotating immediately, the roller 421 also rolls from the slot 51 to the outer edge surface of the plug rod 5, and after being pulled without the restriction of the plug, the cabinet door 2 can be immediately opened.
[0051] The cabinet door 2 is provided with a hollow window, and the window is provided with a PVC plate.
[0052] Those skilled in the art should understand that the discussion of the above any embodiment is only exemplary, and is not intended to imply that the scope (including claims) of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, and in order to be brief, they are not provided in details.
[0053] The utility model aims at covering all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A safety door structure for a press, characterized in that, It includes a cabinet body and cabinet doors hinged to the cabinet body, with handles provided on the exterior of the cabinet doors; The safety door structure also includes a magnetic attractor, with the magnetic part of the magnetic attractor located at the cabinet door frame and the adsorption part of the magnetic attractor located on the inner wall of the cabinet door; The cabinet door is equipped with a plug rod, and a slot is opened on the plug rod. The cabinet door frame is equipped with a locking device for engaging with the slot of the plug rod. The cabinet door is equipped with a trigger mechanism on its exterior to release the connection between the locking element and the plug.
2. The safety door structure for a press according to claim 1, characterized in that, The insertion rod is cylindrical, and the slot is located on the outer edge of the insertion rod facing the cabinet door frame.
3. The safety door structure for a press according to claim 1, characterized in that, The locking component includes a frame disposed at the cabinet door frame, and the frame is provided with a rolling element for engaging with the slot of the insertion rod; The locking element also includes a first spring disposed on the frame for driving the rolling element to descend.
4. The safety door structure for a press according to claim 3, characterized in that, The frame is provided with a longitudinal groove, and a slider is slidably disposed in the longitudinal groove; The rolling element is a roller, the axis of which is consistent with the axis of the insert rod, and the two ends of the roller axle are rotatably connected to the slider.
5. The safety door structure of a press according to claim 1, characterized in that, The end of the insert rod facing the cabinet door frame has a slope, which is used to guide the rolling element into the slot.
6. A safety door structure for a press according to claim 5, characterized in that, The triggering mechanism includes a paddle mounted on the handle, the paddle being slidably connected to the handle, and a second spring mounted on the handle for pushing the paddle closer to the outer wall of the cabinet door; The triggering mechanism also includes a linkage component for driving the insertion rod to rotate, the input end of which is connected to the paddle drive.
7. A safety door structure for a press according to claim 6, characterized in that, The linkage assembly includes a drive rod that is slidably disposed on the outer wall of the cabinet door. One end of the drive rod is provided with a connecting rod, one end of which is hinged to the drive rod, and the other end of which is hinged to a lever. The other end of the drive rod has a rack, the insertion rod passes through the cabinet door and is rotatably connected to it, and the outer end of the insertion rod is provided with a gear, which meshes with the rack.
8. The safety door structure of a press according to claim 1, characterized in that, The cabinet door has a perforated window, and the window is covered with a PVC panel.