Automatic protective door mechanism of numerical control machine tool

Abstract

The utility model discloses an automatic protective door mechanism of a numerical control machine tool, belongs to the technical field of protective doors, and aims to solve the problem that protective doors of most numerical control machine tools are easy to open accidentally during processing due to lack of linkage locking structures. A fixed door plate is arranged on the front side of the machine tool body, a movable door plate is slidably mounted on the machine tool body outside the fixed door plate, a guide rod is arranged at the top end of the machine tool body, and a connecting frame capable of sliding on the guide rod is mounted on the movable door plate. A locking structure for locking the completely closed movable door plate is arranged on the machine tool body, a guide rail is installed at the position, corresponding to the bottom end of the movable door plate, in the machine tool body, and after the movable door plate is closed, the movable door plate can be locked through the locking structure, so that the movable door plate can be prevented from being damaged during machining operation. And the movable door plate is opened accidentally.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the automatic protective door mechanism of numerical control machine tool, specifically relates to the technical field of the automatic protective door mechanism of numerical control machine tool. BACKGROUND

[0002] Numerical control machine tool is a kind of more common machining device of part, when using, for the safety of operator, mobile door plate is arranged at the position of its operating mouth, so that machining operation is in a relatively closed environment, thereby guaranteeing its safety, but the protective door of most current numerical control machine tool lacks the locking structure that can be linked, so that the situation of accidental opening protective door is prone to occur when machining, to solve the above-mentioned problem, the automatic protective door mechanism of numerical control machine tool is provided. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problems of overcoming the defects of the prior art, providing an automatic protective door mechanism of numerical control machine tool, to solve the problem that the protective door of most numerical control machine tools lacks a locking structure that can be linked, so that accidental opening of the protective door is prone to occur when machining.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] An automatic protective door mechanism of numerical control machine tool, including machine tool body, the front side of machine tool body is provided with fixed door plate, mobile door plate is slidably installed on the machine tool body outside fixed door plate, the top of machine tool body is provided with guide rod, the connecting frame that can slide on guide rod is installed on mobile door plate, locking structure that is used for locking mobile door plate after being completely closed is arranged on machine tool body.

[0006] As a preferred technical scheme of the utility model, guide rail is installed at the position corresponding to the bottom end of mobile door plate in the inside of machine tool body, the bottom end of mobile door plate is slidably installed on guide rail, the machine tool body on the one side of guide rail is provided with slag discharge port one, the machine tool body on the other side of guide rail is provided with slag discharge port two.

[0007] As a preferred technical scheme of the utility model, electric control box is installed on the front side of machine tool body, and the top end of electric control box is connected with the top end of mobile door plate through electric push rod.

[0008] As a preferred technical scheme of the utility model, the connecting frame includes the mouth frame installed on mobile door plate, the position corresponding to guide rod is provided with through hole on the mouth frame, and the inner wall between guide rod and mouth frame is provided with clamping groove.

[0009] As a preferred technical scheme of the utility model, the locking structure comprises a sliding groove formed in the machine tool body, the mouth-shaped frame is arranged directly above the sliding groove after the movable door plate is completely closed, a sliding block is slidably arranged in the sliding groove, a U-shaped clamping plate is arranged at the top end of the sliding block and corresponds to the position of the clamping groove on both sides of the guide rod, and the side of the U-shaped clamping plate for fixing the door plate is arranged as an inclined surface.

[0010] As a preferred technical scheme of the utility model, the bottom end of the sliding block is provided with a pressure sensor, the top end of the pressure sensor is connected with the bottom end of the sliding block through a spring, a supporting rod is arranged at the bottom end of the sliding groove in the spring, and an electromagnet capable of adsorbing the sliding block downward is arranged on the surface of the supporting rod.

[0011] Compared with the prior art, the utility model has the beneficial effects that after the movable door plate is closed, the locking structure can be used for locking the movable door plate, so that the movable door plate can be prevented from being accidentally opened during the machining operation, and in addition, the two sides of the guide rail are respectively provided with a slag discharge port one and a slag discharge port two, so that the accumulation of sundries at the two ends of the guide rail can be prevented, and the movable door plate can be completely opened and closed. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 3 It is an A1 end local enlarged view of the utility model;

[0015] Figure 4 It is an A2 end local enlarged view of the utility model;

[0016] 1-machine tool body; 2-fixed door plate; 3-movable door plate; 4-electric control box; 5-guide rail; 6-guide rod; 7-connecting frame; 71-mouth-shaped frame; 72-through hole; 73-clamping groove; 8-locking structure; 81-sliding groove; 82-sliding block; 83-U-shaped clamping plate; 84-spring; 85-pressure sensor; 86-supporting rod; 87-electromagnet; 88-inclined surface; 9-slag discharge port one; 10-slag discharge port two; 11-electric push rod. DETAILED DESCRIPTION

[0017] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection.

[0018] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0019] A numerical control machine tool automatic protection door mechanism, including machine tool body 1, the front side of machine tool body 1 is provided with fixed door plate 2, the machine tool body 1 outside fixed door plate 2 is slidably installed with mobile door plate 3, the top of machine tool body 1 is provided with guide rod 6, mobile door plate 3 is installed with the connecting frame 7 that can slide on guide rod 6, machine tool body 1 is provided with locking structure 8 for locking mobile door plate 3 after complete closing, so that after mobile door plate 3 completely closes, it can be automatically locked by locking structure 8, so that it can effectively place when working, mobile door plate 3 opens accidentally.

[0020] The inside of machine tool body 1 is installed with guide rail 5 at the position corresponding to the bottom end of mobile door plate 3, and the bottom end of mobile door plate 3 is slidably installed on guide rail 5. A slag discharge port one 9 is formed in the machine tool body 1 on one side of the guide rail 5, and a slag discharge port two 10 is formed in the machine tool body 1 on the other side of the guide rail 5. During daily use, we found that oil stains tend to accumulate at both ends of the guide rail 5 after a period of use, which can cause mobile door plate 3 to fail to open or close completely. Therefore, we set the slag discharge port one 9 and the slag discharge port two 10 at both ends of the guide rail 5, so that oil stains can be discharged from the slag discharge port one 9 or the slag discharge port two 10 when they appear, thereby ensuring that mobile door plate 3 can be completely opened or closed.

[0021] An electric control box 4 is installed on the front side of the machine tool body 1. The top end of the electric control box 4 is connected to the top end of the mobile door plate 3 by a motorized push rod 11. A card reader can be installed on the electric control box 4 to ensure that the corresponding responsible person can be found for each operation, preventing non-professionals from operating the equipment.

[0022] The connecting frame 7 includes a mouth-shaped frame 71 installed on the mobile door plate 3. A through hole 72 is formed in the mouth-shaped frame 71 at a position corresponding to the guide rod 6. A clamping groove 73 is provided between the guide rod 6 and the inner wall of the mouth-shaped frame 71, thereby preventing the mobile door plate 3 from falling accidentally and ensuring that the mobile door plate 3 can slide smoothly on the guide rod 6.

[0023] The locking structure 8 comprises a sliding groove 81 formed in the machine tool body 1, the mouth frame 71 is arranged directly above the sliding groove 81 after the movable door plate 3 is completely closed, a sliding block 82 is slidingly arranged in the sliding groove 81, a U-shaped clamping plate 83 is arranged at the top end of the sliding block 82 and corresponds to the position of the clamping groove 73 on both sides of the guide rod 6, and the U-shaped clamping plate 83 arranged on one side of the fixed door plate 2 is provided with an inclined surface 88, so that the mouth frame 71 can pass through the surface of the U-shaped clamping plate 83 under the action of the electric push rod 11 when closing, and the U-shaped clamping plate 83 can play a blocking role when opening, so as to avoid the accidental opening of the movable door plate 3.

[0024] The bottom end of the sliding block 82 is provided with a pressure sensor 85, the top end of the pressure sensor 85 is connected to the bottom end of the sliding block 82 through a spring 84, a supporting rod 86 is arranged at the bottom end of the sliding groove 81 in the spring 84, and an electromagnet 87 capable of adsorbing the sliding block 82 downward is arranged on the surface of the supporting rod 86, when it is needed to open the closed movable door plate 3, the electromagnet 87 is first operated through the electric control box 4, so as to adsorb the sliding block 82 downward, and the U-shaped clamping plate 83 is completely retracted into the sliding groove 81, at this time, the pressure sensor 85 measures the data, at this time, the electric control box 4 makes the electric push rod 11 work, so as to open the movable door plate 3, so as to effectively prevent the opening caused by accidental collision, and when the movable door plate 3 is closed, the pressure sensor 85 detects a force signal which gradually increases and then disappears instantaneously, at this time, it is indicated that the mouth frame 71 on the movable door plate 3 has passed above the U-shaped clamping plate 83, so as to ensure that the movable door plate 3 is completely closed, only when the pressure sensor 85 detects a force signal which gradually increases and then disappears instantaneously, the electric control box 4 makes other devices in the machine tool body 1 move, so as to prevent the machining parts when the movable door plate 3 is opened.

[0025] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A numerical control machine tool automatic protection door mechanism, comprising a machine tool body (1), the front side of the machine tool body (1) is provided with a fixed door plate (2), the machine tool body (1) outside the fixed door plate (2) is slidably installed with a movable door plate (3), the top end of the machine tool body (1) is provided with a guide rod (6), characterized in that: The mobile door plate (3) is provided with a connecting frame (7) capable of sliding on a guide rod (6), and the machine tool body (1) is provided with a locking structure (8) for locking the mobile door plate (3) after being fully closed.

2. A numerically controlled machine tool automatic guard door mechanism according to claim 1, characterised in that: The machine tool body (1) is provided with a guide rail (5) corresponding to the position of the bottom end of the mobile door plate (3), and the bottom end of the mobile door plate (3) is slidingly installed on the guide rail (5). The machine tool body (1) is provided with a slag discharge port one (9) on one side of the guide rail (5), and the machine tool body (1) is provided with a slag discharge port two (10) on the other side of the guide rail (5).

3. A numerically controlled machine tool automatic guard door mechanism according to claim 1, characterised in that: The machine tool body (1) is provided with an electric control box (4) on the front side, and the top end of the electric control box (4) is connected to the top end of the mobile door plate (3) through an electric push rod (11).

4. A numerically controlled machine tool automatic guard door mechanism according to claim 1, characterized in that: The connecting frame (7) comprises a mouth frame (71) installed on the mobile door plate (3), and a through hole (72) is formed in the mouth frame (71) corresponding to the position of the guide rod (6). The guide rod (6) and the inner wall of the mouth frame (71) are provided with a clamping groove (73).

5. A numerically controlled machine tool automatic guard door mechanism according to claim 4, characterised in that: The locking structure (8) comprises a sliding groove (81) formed in the machine tool body (1), and the mouth frame (71) is located directly above the sliding groove (81) after the mobile door plate (3) is fully closed. The sliding groove (81) is provided with a sliding block (82) inside, and the top end of the sliding block (82) is provided with a U-shaped clamping plate (83) corresponding to the position of the clamping groove (73) on both sides of the guide rod (6). The U-shaped clamping plate (83) is provided with an inclined surface (88) on one side of the fixed door plate (2).

6. A numerically controlled machine tool automatic guard door mechanism according to claim 5, characterised in that: The bottom end of the sliding block (82) is provided with a pressure sensor (85), and the top end of the pressure sensor (85) is connected to the bottom end of the sliding block (82) through a spring (84). The spring (84) is provided with a supporting rod (86) at the bottom end of the sliding groove (81), and the surface of the supporting rod (86) is provided with an electromagnet (87) capable of adsorbing the sliding block (82) downward.

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